diff --git a/api/@ohos.net.connection.d.ts b/api/@ohos.net.connection.d.ts
index 704b6a1147f8bf60679beac01e233b1df6494600..6dac4056c39d6cc7027966c7e3f743bf6d0c49ae 100644
--- a/api/@ohos.net.connection.d.ts
+++ b/api/@ohos.net.connection.d.ts
@@ -155,8 +155,7 @@ declare namespace connection {
    * @throws { BusinessError } 2100003 - System internal error.
    * @syscap SystemCapability.Communication.NetManager.Core
    * @atomicservice
-   * @since arkts {'1.1':'11','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 11
    */
   function getDefaultNet(callback: AsyncCallback<NetHandle>): void;
 
@@ -182,11 +181,44 @@ declare namespace connection {
    * @throws { BusinessError } 2100003 - System internal error.
    * @syscap SystemCapability.Communication.NetManager.Core
    * @atomicservice
-   * @since arkts {'1.1':'11','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 11
    */
   function getDefaultNet(): Promise<NetHandle>;
 
+  /**
+   * Obtains the data network that is activated by default.
+   * To call this method, you must have the {@code ohos.permission.GET_NETWORK_INFO} permission.
+   * @permission ohos.permission.GET_NETWORK_INFO
+   * @param { AsyncCallback<NetHandle> } callback - the callback of getDefaultNet.
+   * @throws { BusinessError } 201 - Permission denied.
+   * @throws { BusinessError } 401 - Parameter error.
+   * @throws { BusinessError } 2100002 - Failed to connect to the service.
+   * @throws { BusinessError } 2100003 - System internal error.
+   * @syscap SystemCapability.Communication.NetManager.Core
+   * @since 20
+   * @arkts 1.2
+   */
+  function getDefaultNetWithCallback(callback: AsyncCallback<NetHandle>): void;
+
+  /**
+   * Obtains the data network that is activated by default.
+   * To call this method, you must have the {@code ohos.permission.GET_NETWORK_INFO} permission.
+   * @permission ohos.permission.GET_NETWORK_INFO
+   * @returns { Promise<NetHandle> } The promise returned by the function.
+   * @throws { BusinessError } 201 - Permission denied.
+   * @throws { BusinessError } 2100002 - Failed to connect to the service.
+   * @throws { BusinessError } 2100003 - System internal error.
+   * @syscap SystemCapability.Communication.NetManager.Core
+   * @since 20
+   * @arkts 1.2
+   */
+  function getDefaultNetReturnsPromise(): Promise<NetHandle>;
+
+  /**
+   * @arkts 1.2
+   */
+  overload getDefaultNet { getDefaultNetWithCallback, getDefaultNetReturnsPromise };
+
   /**
    * Obtains the data network that is activated by default.
    * To call this method, you must have the {@code ohos.permission.GET_NETWORK_INFO} permission.
@@ -224,8 +256,7 @@ declare namespace connection {
    * @throws { BusinessError } 2100002 - Failed to connect to the service.
    * @throws { BusinessError } 2100003 - System internal error.
    * @syscap SystemCapability.Communication.NetManager.Core
-   * @since arkts {'1.1':'8','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 8
    */
   function getAllNets(callback: AsyncCallback<Array<NetHandle>>): void;
 
@@ -238,11 +269,44 @@ declare namespace connection {
    * @throws { BusinessError } 2100002 - Failed to connect to the service.
    * @throws { BusinessError } 2100003 - System internal error.
    * @syscap SystemCapability.Communication.NetManager.Core
-   * @since arkts {'1.1':'8','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 8
    */
   function getAllNets(): Promise<Array<NetHandle>>;
 
+  /**
+   * Obtains the list of data networks that are activated.
+   * To invoke this method, you must have the {@code ohos.permission.GET_NETWORK_INFO} permission.
+   * @permission ohos.permission.GET_NETWORK_INFO
+   * @param { AsyncCallback<Array<NetHandle>> } callback - the callback of getAllNets.
+   * @throws { BusinessError } 201 - Permission denied.
+   * @throws { BusinessError } 401 - Parameter error.
+   * @throws { BusinessError } 2100002 - Failed to connect to the service.
+   * @throws { BusinessError } 2100003 - System internal error.
+   * @syscap SystemCapability.Communication.NetManager.Core
+   * @since 20
+   * @arkts 1.2
+   */
+  function getAllNetsWithCallback(callback: AsyncCallback<Array<NetHandle>>): void;
+
+  /**
+   * Obtains the list of data networks that are activated.
+   * To invoke this method, you must have the {@code ohos.permission.GET_NETWORK_INFO} permission.
+   * @permission ohos.permission.GET_NETWORK_INFO
+   * @returns { Promise<Array<NetHandle>> } The promise returned by the function.
+   * @throws { BusinessError } 201 - Permission denied.
+   * @throws { BusinessError } 2100002 - Failed to connect to the service.
+   * @throws { BusinessError } 2100003 - System internal error.
+   * @syscap SystemCapability.Communication.NetManager.Core
+   * @since 20
+   * @arkts 1.2
+   */
+  function getAllNetsReturnsPromise(): Promise<Array<NetHandle>>;
+
+  /**
+   * @arkts 1.2
+   */
+  overload getAllNets { getAllNetsWithCallback, getAllNetsReturnsPromise };
+
   /**
    * Obtains the list of data networks that are activated.
    * To call this method, you must have the {@code ohos.permission.GET_NETWORK_INFO} permission.
@@ -269,8 +333,7 @@ declare namespace connection {
    * @throws { BusinessError } 2100002 - Failed to connect to the service.
    * @throws { BusinessError } 2100003 - System internal error.
    * @syscap SystemCapability.Communication.NetManager.Core
-   * @since arkts {'1.1':'8','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 8
    */
   function getConnectionProperties(netHandle: NetHandle, callback: AsyncCallback<ConnectionProperties>): void;
 
@@ -286,11 +349,51 @@ declare namespace connection {
    * @throws { BusinessError } 2100002 - Failed to connect to the service.
    * @throws { BusinessError } 2100003 - System internal error.
    * @syscap SystemCapability.Communication.NetManager.Core
-   * @since arkts {'1.1':'8','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 8
    */
   function getConnectionProperties(netHandle: NetHandle): Promise<ConnectionProperties>;
 
+  /**
+   * Queries the connection properties of a network.
+   * This method requires the {@code ohos.permission.GET_NETWORK_INFO} permission.
+   * @permission ohos.permission.GET_NETWORK_INFO
+   * @param { NetHandle } netHandle - Indicates the network to be queried.
+   * @param { AsyncCallback<ConnectionProperties> } callback - the callback of
+   *     getConnectionProperties.{@link ConnectionProperties}.
+   * @throws { BusinessError } 201 - Permission denied.
+   * @throws { BusinessError } 401 - Parameter error.
+   * @throws { BusinessError } 2100001 - Invalid parameter value.
+   * @throws { BusinessError } 2100002 - Failed to connect to the service.
+   * @throws { BusinessError } 2100003 - System internal error.
+   * @syscap SystemCapability.Communication.NetManager.Core
+   * @since 20
+   * @arkts 1.2
+   */
+  function getConnectionPropertiesWithCallback(netHandle: NetHandle,
+    callback: AsyncCallback<ConnectionProperties>): void;
+
+  /**
+   * Queries the connection properties of a network.
+   * This method requires the {@code ohos.permission.GET_NETWORK_INFO} permission.
+   * @permission ohos.permission.GET_NETWORK_INFO
+   * @param { NetHandle } netHandle - Indicates the network to be queried.
+   * @returns { Promise<ConnectionProperties> } The promise returned by the function.
+   * @throws { BusinessError } 201 - Permission denied.
+   * @throws { BusinessError } 401 - Parameter error.
+   * @throws { BusinessError } 2100001 - Invalid parameter value.
+   * @throws { BusinessError } 2100002 - Failed to connect to the service.
+   * @throws { BusinessError } 2100003 - System internal error.
+   * @syscap SystemCapability.Communication.NetManager.Core
+   * @since 20
+   * @arkts 1.2
+   */
+  function getConnectionPropertiesReturnsPromise(netHandle: NetHandle): Promise<ConnectionProperties>;
+
+  /**
+   * @arkts 1.2
+   */
+  overload getConnectionProperties { getConnectionPropertiesWithCallback, getConnectionPropertiesReturnsPromise };
+
   /**
    * Queries the connection properties of a network.
    * This method requires the {@code ohos.permission.GET_NETWORK_INFO} permission.
@@ -335,8 +438,7 @@ declare namespace connection {
    * @throws { BusinessError } 2100003 - System internal error.
    * @syscap SystemCapability.Communication.NetManager.Core
    * @atomicservice
-   * @since arkts {'1.1':'11','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 11
    */
   function getNetCapabilities(netHandle: NetHandle, callback: AsyncCallback<NetCapabilities>): void;
 
@@ -367,11 +469,49 @@ declare namespace connection {
    * @throws { BusinessError } 2100003 - System internal error.
    * @syscap SystemCapability.Communication.NetManager.Core
    * @atomicservice
-   * @since arkts {'1.1':'11','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 11
    */
   function getNetCapabilities(netHandle: NetHandle): Promise<NetCapabilities>;
 
+  /**
+   * Obtains {@link NetCapabilities} of a {@link NetHandle} object.
+   * To invoke this method, you must have the {@code ohos.permission.GET_NETWORK_INFO} permission.
+   * @permission ohos.permission.GET_NETWORK_INFO
+   * @param { NetHandle } netHandle - Indicates the handle. See {@link NetHandle}.
+   * @param { AsyncCallback<NetCapabilities> } callback - the callback of getNetCapabilities.{@link NetCapabilities}.
+   * @throws { BusinessError } 201 - Permission denied.
+   * @throws { BusinessError } 401 - Parameter error.
+   * @throws { BusinessError } 2100001 - Invalid parameter value.
+   * @throws { BusinessError } 2100002 - Failed to connect to the service.
+   * @throws { BusinessError } 2100003 - System internal error.
+   * @syscap SystemCapability.Communication.NetManager.Core
+   * @since 20
+   * @arkts 1.2
+   */
+  function getNetCapabilitiesWithCallback(netHandle: NetHandle, callback: AsyncCallback<NetCapabilities>): void;
+
+  /**
+   * Obtains {@link NetCapabilities} of a {@link NetHandle} object.
+   * To invoke this method, you must have the {@code ohos.permission.GET_NETWORK_INFO} permission.
+   * @permission ohos.permission.GET_NETWORK_INFO
+   * @param { NetHandle } netHandle - Indicates the handle. See {@link NetHandle}.
+   * @returns { Promise<NetCapabilities> } The promise returned by the function.
+   * @throws { BusinessError } 201 - Permission denied.
+   * @throws { BusinessError } 401 - Parameter error.
+   * @throws { BusinessError } 2100001 - Invalid parameter value.
+   * @throws { BusinessError } 2100002 - Failed to connect to the service.
+   * @throws { BusinessError } 2100003 - System internal error.
+   * @syscap SystemCapability.Communication.NetManager.Core
+   * @since 20
+   * @arkts 1.2
+   */
+  function getNetCapabilitiesReturnsPromise(netHandle: NetHandle): Promise<NetCapabilities>;
+
+  /**
+   * @arkts 1.2
+   */
+  overload getNetCapabilities { getNetCapabilitiesWithCallback, getNetCapabilitiesReturnsPromise };
+
   /**
    * Obtains {@link NetCapabilities} of a {@link NetHandle} object.
    * To invoke this method, you must have the {@code ohos.permission.GET_NETWORK_INFO} permission.
@@ -475,8 +615,7 @@ declare namespace connection {
    * @throws { BusinessError } 2100002 - Failed to connect to the service.
    * @throws { BusinessError } 2100003 - System internal error.
    * @syscap SystemCapability.Communication.NetManager.Core
-   * @since arkts {'1.1':'9','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 9
    */
   function isDefaultNetMetered(callback: AsyncCallback<boolean>): void;
 
@@ -488,11 +627,43 @@ declare namespace connection {
    * @throws { BusinessError } 2100002 - Failed to connect to the service.
    * @throws { BusinessError } 2100003 - System internal error.
    * @syscap SystemCapability.Communication.NetManager.Core
-   * @since arkts {'1.1':'9','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 9
    */
   function isDefaultNetMetered(): Promise<boolean>;
 
+  /**
+   * Checks whether data traffic usage on the current network is metered.
+   * @permission ohos.permission.GET_NETWORK_INFO
+   * @param { AsyncCallback<boolean> } callback - Returns {@code true} if data traffic usage on the current network is metered;
+   * returns {@code false} otherwise.
+   * @throws { BusinessError } 201 - Permission denied.
+   * @throws { BusinessError } 401 - Parameter error.
+   * @throws { BusinessError } 2100002 - Failed to connect to the service.
+   * @throws { BusinessError } 2100003 - System internal error.
+   * @syscap SystemCapability.Communication.NetManager.Core
+   * @since 20
+   * @arkts 1.2
+   */
+  function isDefaultNetMeteredWithCallback(callback: AsyncCallback<boolean>): void;
+
+  /**
+   * Checks whether data traffic usage on the current network is metered.
+   * @permission ohos.permission.GET_NETWORK_INFO
+   * @returns { Promise<boolean> } the promise returned by the function.
+   * @throws { BusinessError } 201 - Permission denied.
+   * @throws { BusinessError } 2100002 - Failed to connect to the service.
+   * @throws { BusinessError } 2100003 - System internal error.
+   * @syscap SystemCapability.Communication.NetManager.Core
+   * @since 20
+   * @arkts 1.2
+   */
+  function isDefaultNetMeteredReturnsPromise(): Promise<boolean>;
+
+  /**
+   * @arkts 1.2
+   */
+  overload isDefaultNetMetered { isDefaultNetMeteredWithCallback, isDefaultNetMeteredReturnsPromise };
+
   /**
    * Checks whether data traffic usage on the current network is metered.
    * @permission ohos.permission.GET_NETWORK_INFO
@@ -529,8 +700,7 @@ declare namespace connection {
    * @throws { BusinessError } 2100003 - System internal error.
    * @syscap SystemCapability.Communication.NetManager.Core
    * @crossplatform
-   * @since arkts {'1.1':'10','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 10
    */
   function hasDefaultNet(callback: AsyncCallback<boolean>): void;
 
@@ -554,11 +724,43 @@ declare namespace connection {
    * @throws { BusinessError } 2100003 - System internal error.
    * @syscap SystemCapability.Communication.NetManager.Core
    * @crossplatform
-   * @since arkts {'1.1':'10','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 10
    */
   function hasDefaultNet(): Promise<boolean>;
 
+  /**
+   * Checks whether the default data network is activated.
+   * @permission ohos.permission.GET_NETWORK_INFO
+   * @param { AsyncCallback<boolean> } callback - Returns {@code true} if the default data network is activated;
+   * returns {@code false} otherwise.
+   * @throws { BusinessError } 201 - Permission denied.
+   * @throws { BusinessError } 2100002 - Failed to connect to the service.
+   * @throws { BusinessError } 2100003 - System internal error.
+   * @syscap SystemCapability.Communication.NetManager.Core
+   * @since 20
+   * @arkts 1.2
+   */
+  function hasDefaultNetWithCallback(callback: AsyncCallback<boolean>): void;
+
+  /**
+   * Checks whether the default data network is activated.
+   * @permission ohos.permission.GET_NETWORK_INFO
+   * @returns { Promise<boolean> } The promise returned by the function.
+   * @throws { BusinessError } 201 - Permission denied.
+   * @throws { BusinessError } 401 - Parameter error.
+   * @throws { BusinessError } 2100002 - Failed to connect to the service.
+   * @throws { BusinessError } 2100003 - System internal error.
+   * @syscap SystemCapability.Communication.NetManager.Core
+   * @since 20
+   * @arkts 1.2
+   */
+  function hasDefaultNetReturnsPromise(): Promise<boolean>;
+
+  /**
+   * @arkts 1.2
+   */
+  overload hasDefaultNet { hasDefaultNetWithCallback, hasDefaultNetReturnsPromise };
+
   /**
    * Checks whether the default data network is activated.
    * @permission ohos.permission.GET_NETWORK_INFO
@@ -584,8 +786,7 @@ declare namespace connection {
    * @throws { BusinessError } 2100003 - System internal error. 
    * @syscap SystemCapability.Communication.NetManager.Core
    * @systemapi Hide this for inner system use. Only used for system app.
-   * @since arkts {'1.1':'8','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 8
    */
   function enableAirplaneMode(callback: AsyncCallback<void>): void;
 
@@ -600,30 +801,29 @@ declare namespace connection {
    * @throws { BusinessError } 2100003 - System internal error.
    * @syscap SystemCapability.Communication.NetManager.Core
    * @systemapi Hide this for inner system use. Only used for system app.
-   * @since arkts {'1.1':'8','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 8
    */
   function enableAirplaneMode(): Promise<void>;
 
   /**
-   * Disables the airplane mode for a device.
+   * Enables the airplane mode for a device.
    * To invoke this method, you must have the {@code ohos.permission.CONNECTIVITY_INTERNAL} permission.
    * @permission ohos.permission.CONNECTIVITY_INTERNAL
-   * @param { AsyncCallback<void> } callback - the callback of disableAirplaneMode.
+   * @param { AsyncCallback<void> } callback - the callback of enableAirplaneMode.
    * @throws { BusinessError } 201 - Permission denied.
    * @throws { BusinessError } 202 - Non-system applications use system APIs.
    * @throws { BusinessError } 401 - Parameter error.
    * @throws { BusinessError } 2100002 - Failed to connect to the service.
-   * @throws { BusinessError } 2100003 - System internal error.
+   * @throws { BusinessError } 2100003 - System internal error. 
    * @syscap SystemCapability.Communication.NetManager.Core
    * @systemapi Hide this for inner system use. Only used for system app.
-   * @since arkts {'1.1':'8','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 20
+   * @arkts 1.2
    */
-  function disableAirplaneMode(callback: AsyncCallback<void>): void;
+  function enableAirplaneModeWithCallback(callback: AsyncCallback<void>): void;
 
   /**
-   * Disables the airplane mode for a device.
+   * Enables the airplane mode for a device.
    * To invoke this method, you must have the {@code ohos.permission.CONNECTIVITY_INTERNAL} permission.
    * @permission ohos.permission.CONNECTIVITY_INTERNAL
    * @returns { Promise<void> } The promise returned by the function.
@@ -633,43 +833,152 @@ declare namespace connection {
    * @throws { BusinessError } 2100003 - System internal error.
    * @syscap SystemCapability.Communication.NetManager.Core
    * @systemapi Hide this for inner system use. Only used for system app.
-   * @since arkts {'1.1':'8','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 20
+   * @arkts 1.2
    */
-  function disableAirplaneMode(): Promise<void>;
+  function enableAirplaneModeReturnsPromise(): Promise<void>;
 
   /**
-   * Reports the network state is connected.
-   * @permission ohos.permission.GET_NETWORK_INFO and ohos.permission.INTERNET
-   * @param { NetHandle } netHandle - Indicates the network whose state is to be reported.
-   * @param { AsyncCallback<void> } callback - the callback of reportNetConnected.
+   * @arkts 1.2
+   */
+  overload enableAirplaneMode { enableAirplaneModeWithCallback, enableAirplaneModeReturnsPromise };
+
+  /**
+   * Disables the airplane mode for a device.
+   * To invoke this method, you must have the {@code ohos.permission.CONNECTIVITY_INTERNAL} permission.
+   * @permission ohos.permission.CONNECTIVITY_INTERNAL
+   * @param { AsyncCallback<void> } callback - the callback of disableAirplaneMode.
    * @throws { BusinessError } 201 - Permission denied.
+   * @throws { BusinessError } 202 - Non-system applications use system APIs.
    * @throws { BusinessError } 401 - Parameter error.
-   * @throws { BusinessError } 2100001 - Invalid parameter value.
    * @throws { BusinessError } 2100002 - Failed to connect to the service.
    * @throws { BusinessError } 2100003 - System internal error.
    * @syscap SystemCapability.Communication.NetManager.Core
-   * @since arkts {'1.1':'8','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @systemapi Hide this for inner system use. Only used for system app.
+   * @since 8
    */
-  function reportNetConnected(netHandle: NetHandle, callback: AsyncCallback<void>): void;
+  function disableAirplaneMode(callback: AsyncCallback<void>): void;
 
   /**
-   * Reports the network state is connected.
-   * @permission ohos.permission.GET_NETWORK_INFO and ohos.permission.INTERNET
-   * @param { NetHandle } netHandle - Indicates the network whose state is to be reported.
+   * Disables the airplane mode for a device.
+   * To invoke this method, you must have the {@code ohos.permission.CONNECTIVITY_INTERNAL} permission.
+   * @permission ohos.permission.CONNECTIVITY_INTERNAL
    * @returns { Promise<void> } The promise returned by the function.
    * @throws { BusinessError } 201 - Permission denied.
+   * @throws { BusinessError } 202 - Non-system applications use system APIs.
+   * @throws { BusinessError } 2100002 - Failed to connect to the service.
+   * @throws { BusinessError } 2100003 - System internal error.
+   * @syscap SystemCapability.Communication.NetManager.Core
+   * @systemapi Hide this for inner system use. Only used for system app.
+   * @since 8
+   */
+  function disableAirplaneMode(): Promise<void>;
+
+  /**
+   * Disables the airplane mode for a device.
+   * To invoke this method, you must have the {@code ohos.permission.CONNECTIVITY_INTERNAL} permission.
+   * @permission ohos.permission.CONNECTIVITY_INTERNAL
+   * @param { AsyncCallback<void> } callback - the callback of disableAirplaneMode.
+   * @throws { BusinessError } 201 - Permission denied.
+   * @throws { BusinessError } 202 - Non-system applications use system APIs.
+   * @throws { BusinessError } 401 - Parameter error.
+   * @throws { BusinessError } 2100002 - Failed to connect to the service.
+   * @throws { BusinessError } 2100003 - System internal error.
+   * @syscap SystemCapability.Communication.NetManager.Core
+   * @systemapi Hide this for inner system use. Only used for system app.
+   * @since 20
+   * @arkts 1.2
+   */
+  function disableAirplaneModeWithCallback(callback: AsyncCallback<void>): void;
+
+  /**
+   * Disables the airplane mode for a device.
+   * To invoke this method, you must have the {@code ohos.permission.CONNECTIVITY_INTERNAL} permission.
+   * @permission ohos.permission.CONNECTIVITY_INTERNAL
+   * @returns { Promise<void> } The promise returned by the function.
+   * @throws { BusinessError } 201 - Permission denied.
+   * @throws { BusinessError } 202 - Non-system applications use system APIs.
+   * @throws { BusinessError } 2100002 - Failed to connect to the service.
+   * @throws { BusinessError } 2100003 - System internal error.
+   * @syscap SystemCapability.Communication.NetManager.Core
+   * @systemapi Hide this for inner system use. Only used for system app.
+   * @since 20
+   * @arkts 1.2
+   */
+  function disableAirplaneModeReturnsPromise(): Promise<void>;
+
+  /**
+   * @arkts 1.2
+   */
+  overload disableAirplaneMode { disableAirplaneModeWithCallback, disableAirplaneModeReturnsPromise };
+
+  /**
+   * Reports the network state is connected.
+   * @permission ohos.permission.GET_NETWORK_INFO and ohos.permission.INTERNET
+   * @param { NetHandle } netHandle - Indicates the network whose state is to be reported.
+   * @param { AsyncCallback<void> } callback - the callback of reportNetConnected.
+   * @throws { BusinessError } 201 - Permission denied.
    * @throws { BusinessError } 401 - Parameter error.
    * @throws { BusinessError } 2100001 - Invalid parameter value.
    * @throws { BusinessError } 2100002 - Failed to connect to the service.
    * @throws { BusinessError } 2100003 - System internal error.
    * @syscap SystemCapability.Communication.NetManager.Core
-   * @since arkts {'1.1':'8','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 8
+   */
+  function reportNetConnected(netHandle: NetHandle, callback: AsyncCallback<void>): void;
+
+  /**
+   * Reports the network state is connected.
+   * @permission ohos.permission.GET_NETWORK_INFO and ohos.permission.INTERNET
+   * @param { NetHandle } netHandle - Indicates the network whose state is to be reported.
+   * @returns { Promise<void> } The promise returned by the function.
+   * @throws { BusinessError } 201 - Permission denied.
+   * @throws { BusinessError } 401 - Parameter error.
+   * @throws { BusinessError } 2100001 - Invalid parameter value.
+   * @throws { BusinessError } 2100002 - Failed to connect to the service.
+   * @throws { BusinessError } 2100003 - System internal error.
+   * @syscap SystemCapability.Communication.NetManager.Core
+   * @since 8
    */
   function reportNetConnected(netHandle: NetHandle): Promise<void>;
 
+  /**
+   * Reports the network state is connected.
+   * @permission ohos.permission.GET_NETWORK_INFO and ohos.permission.INTERNET
+   * @param { NetHandle } netHandle - Indicates the network whose state is to be reported.
+   * @param { AsyncCallback<void> } callback - the callback of reportNetConnected.
+   * @throws { BusinessError } 201 - Permission denied.
+   * @throws { BusinessError } 401 - Parameter error.
+   * @throws { BusinessError } 2100001 - Invalid parameter value.
+   * @throws { BusinessError } 2100002 - Failed to connect to the service.
+   * @throws { BusinessError } 2100003 - System internal error.
+   * @syscap SystemCapability.Communication.NetManager.Core
+   * @since 20
+   * @arkts 1.2
+   */
+  function reportNetConnectedWithCallback(netHandle: NetHandle, callback: AsyncCallback<void>): void;
+
+  /**
+   * Reports the network state is connected.
+   * @permission ohos.permission.GET_NETWORK_INFO and ohos.permission.INTERNET
+   * @param { NetHandle } netHandle - Indicates the network whose state is to be reported.
+   * @returns { Promise<void> } The promise returned by the function.
+   * @throws { BusinessError } 201 - Permission denied.
+   * @throws { BusinessError } 401 - Parameter error.
+   * @throws { BusinessError } 2100001 - Invalid parameter value.
+   * @throws { BusinessError } 2100002 - Failed to connect to the service.
+   * @throws { BusinessError } 2100003 - System internal error.
+   * @syscap SystemCapability.Communication.NetManager.Core
+   * @since 20
+   * @arkts 1.2
+   */
+  function reportNetConnectedReturnsPromise(netHandle: NetHandle): Promise<void>;
+
+  /**
+   * @arkts 1.2
+   */
+  overload reportNetConnected { reportNetConnectedWithCallback, reportNetConnectedReturnsPromise };
+
   /**
    * Reports the network state is disconnected.
    * @permission ohos.permission.GET_NETWORK_INFO and ohos.permission.INTERNET
@@ -681,8 +990,7 @@ declare namespace connection {
    * @throws { BusinessError } 2100002 - Failed to connect to the service.
    * @throws { BusinessError } 2100003 - System internal error.
    * @syscap SystemCapability.Communication.NetManager.Core
-   * @since arkts {'1.1':'8','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 8
    */
   function reportNetDisconnected(netHandle: NetHandle, callback: AsyncCallback<void>): void;
 
@@ -697,11 +1005,47 @@ declare namespace connection {
    * @throws { BusinessError } 2100002 - Failed to connect to the service.
    * @throws { BusinessError } 2100003 - System internal error.
    * @syscap SystemCapability.Communication.NetManager.Core
-   * @since arkts {'1.1':'8','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 8
    */
   function reportNetDisconnected(netHandle: NetHandle): Promise<void>;
 
+  /**
+   * Reports the network state is disconnected.
+   * @permission ohos.permission.GET_NETWORK_INFO and ohos.permission.INTERNET
+   * @param { NetHandle } netHandle - Indicates the network whose state is to be reported.
+   * @param { AsyncCallback<void> } callback - the callback of reportNetDisconnected.
+   * @throws { BusinessError } 201 - Permission denied.
+   * @throws { BusinessError } 401 - Parameter error.
+   * @throws { BusinessError } 2100001 - Invalid parameter value.
+   * @throws { BusinessError } 2100002 - Failed to connect to the service.
+   * @throws { BusinessError } 2100003 - System internal error.
+   * @syscap SystemCapability.Communication.NetManager.Core
+   * @since 20
+   * @arkts 1.2
+   */
+  function reportNetDisconnectedWithCallback(netHandle: NetHandle, callback: AsyncCallback<void>): void;
+
+  /**
+   * Reports the network state is disconnected.
+   * @permission ohos.permission.GET_NETWORK_INFO and ohos.permission.INTERNET
+   * @param { NetHandle } netHandle - Indicates the network whose state is to be reported.
+   * @returns { Promise<void> } The promise returned by the function.
+   * @throws { BusinessError } 201 - Permission denied.
+   * @throws { BusinessError } 401 - Parameter error.
+   * @throws { BusinessError } 2100001 - Invalid parameter value.
+   * @throws { BusinessError } 2100002 - Failed to connect to the service.
+   * @throws { BusinessError } 2100003 - System internal error.
+   * @syscap SystemCapability.Communication.NetManager.Core
+   * @since 20
+   * @arkts 1.2
+   */
+  function reportNetDisconnectedReturnsPromise(netHandle: NetHandle): Promise<void>;
+
+  /**
+   * @arkts 1.2
+   */
+  overload reportNetDisconnected { reportNetDisconnectedWithCallback, reportNetDisconnectedReturnsPromise };
+
   /**
    * Resolves the host name to obtain all IP addresses based on the default data network.
    * @permission ohos.permission.INTERNET
@@ -713,8 +1057,7 @@ declare namespace connection {
    * @throws { BusinessError } 2100002 - Failed to connect to the service.
    * @throws { BusinessError } 2100003 - System internal error.
    * @syscap SystemCapability.Communication.NetManager.Core
-   * @since arkts {'1.1':'8','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 8
    */
   function getAddressesByName(host: string, callback: AsyncCallback<Array<NetAddress>>): void;
 
@@ -729,11 +1072,47 @@ declare namespace connection {
    * @throws { BusinessError } 2100002 - Failed to connect to the service.
    * @throws { BusinessError } 2100003 - System internal error.
    * @syscap SystemCapability.Communication.NetManager.Core
-   * @since arkts {'1.1':'8','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 8
    */
   function getAddressesByName(host: string): Promise<Array<NetAddress>>;
 
+  /**
+   * Resolves the host name to obtain all IP addresses based on the default data network.
+   * @permission ohos.permission.INTERNET
+   * @param { string } host - Indicates the host name or the domain.
+   * @param { AsyncCallback<Array<NetAddress>> } callback - Returns the NetAddress list.
+   * @throws { BusinessError } 201 - Permission denied.
+   * @throws { BusinessError } 401 - Parameter error.
+   * @throws { BusinessError } 2100001 - Invalid parameter value.
+   * @throws { BusinessError } 2100002 - Failed to connect to the service.
+   * @throws { BusinessError } 2100003 - System internal error.
+   * @syscap SystemCapability.Communication.NetManager.Core
+   * @since 20
+   * @arkts 1.2
+   */
+  function getAddressesByNameWithCallback(host: string, callback: AsyncCallback<Array<NetAddress>>): void;
+
+  /**
+   * Resolves the host name to obtain all IP addresses based on the default data network.
+   * @permission ohos.permission.INTERNET
+   * @param { string } host - Indicates the host name or the domain.
+   * @returns { Promise<Array<NetAddress>> } The promise returned by the function.
+   * @throws { BusinessError } 201 - Permission denied.
+   * @throws { BusinessError } 401 - Parameter error.
+   * @throws { BusinessError } 2100001 - Invalid parameter value.
+   * @throws { BusinessError } 2100002 - Failed to connect to the service.
+   * @throws { BusinessError } 2100003 - System internal error.
+   * @syscap SystemCapability.Communication.NetManager.Core
+   * @since 20
+   * @arkts 1.2
+   */
+  function getAddressesByNameReturnsPromise(host: string): Promise<Array<NetAddress>>;
+
+  /**
+   * @arkts 1.2
+   */
+  overload getAddressesByName { getAddressesByNameWithCallback, getAddressesByNameReturnsPromise };
+
   /**
    * Obtains the {@link NetHandle} bound to a process using {@link setAppNet}.
    * @param { AsyncCallback<NetHandle> } callback - Returns the {@link NetHandle} bound to the process;
@@ -742,8 +1121,7 @@ declare namespace connection {
    * @throws { BusinessError } 2100002 - Failed to connect to the service.
    * @throws { BusinessError } 2100003 - System internal error.
    * @syscap SystemCapability.Communication.NetManager.Core
-   * @since arkts {'1.1':'9','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 9
    */
   function getAppNet(callback: AsyncCallback<NetHandle>): void;
 
@@ -753,11 +1131,39 @@ declare namespace connection {
    * @throws { BusinessError } 2100002 - Failed to connect to the service.
    * @throws { BusinessError } 2100003 - System internal error.
    * @syscap SystemCapability.Communication.NetManager.Core
-   * @since arkts {'1.1':'9','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 9
    */
   function getAppNet(): Promise<NetHandle>;
 
+  /**
+   * Obtains the {@link NetHandle} bound to a process using {@link setAppNet}.
+   * @param { AsyncCallback<NetHandle> } callback - Returns the {@link NetHandle} bound to the process;
+   * returns {@code null} if no {@link NetHandle} is bound to the process.For details, see {@link NetHandle}.
+   * @throws { BusinessError } 401 - Parameter error.
+   * @throws { BusinessError } 2100002 - Failed to connect to the service.
+   * @throws { BusinessError } 2100003 - System internal error.
+   * @syscap SystemCapability.Communication.NetManager.Core
+   * @since 20
+   * @arkts 1.2
+   */
+  function getAppNetWithCallback(callback: AsyncCallback<NetHandle>): void;
+
+  /**
+   * Obtains the {@link NetHandle} bound to a process using {@link setAppNet}.
+   * @returns { Promise<NetHandle> } the promise returned by the function.
+   * @throws { BusinessError } 2100002 - Failed to connect to the service.
+   * @throws { BusinessError } 2100003 - System internal error.
+   * @syscap SystemCapability.Communication.NetManager.Core
+   * @since 20
+   * @arkts 1.2
+   */
+  function getAppNetReturnsPromise(): Promise<NetHandle>;
+
+  /**
+   * @arkts 1.2
+   */
+  overload getAppNet { getAppNetWithCallback, getAppNetReturnsPromise };
+
   /**
    * Obtains the {@link NetHandle} bound to a process using {@link setAppNet}.
    * @returns { NetHandle } Returns the {@link NetHandle} bound to a process using {@link setAppNet}.
@@ -782,8 +1188,7 @@ declare namespace connection {
    * @throws { BusinessError } 2100002 - Failed to connect to the service.
    * @throws { BusinessError } 2100003 - System internal error.
    * @syscap SystemCapability.Communication.NetManager.Core
-   * @since arkts {'1.1':'9','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 9
    */
   function setAppNet(netHandle: NetHandle, callback: AsyncCallback<void>): void;
 
@@ -800,11 +1205,51 @@ declare namespace connection {
    * @throws { BusinessError } 2100002 - Failed to connect to the service.
    * @throws { BusinessError } 2100003 - System internal error.
    * @syscap SystemCapability.Communication.NetManager.Core
-   * @since arkts {'1.1':'9','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 9
    */
   function setAppNet(netHandle: NetHandle): Promise<void>;
 
+  /**
+   * Binds a process to {@code NetHandle}.
+   * <p>All the sockets created from the process will be bound to the {@code NetHandle},
+   *     and the resolution of all host names will be managed by the {@code NetHandle}.</p>
+   * @permission ohos.permission.INTERNET
+   * @param { NetHandle } netHandle - Indicates the handle. For details, see {@link NetHandle}.
+   * @param { AsyncCallback<void> } callback - the callback of setAppNet.
+   * @throws { BusinessError } 201 - Permission denied.
+   * @throws { BusinessError } 401 - Parameter error.
+   * @throws { BusinessError } 2100001 - Invalid parameter value.
+   * @throws { BusinessError } 2100002 - Failed to connect to the service.
+   * @throws { BusinessError } 2100003 - System internal error.
+   * @syscap SystemCapability.Communication.NetManager.Core
+   * @since 20
+   * @arkts 1.2
+   */
+  function setAppNetWithCallback(netHandle: NetHandle, callback: AsyncCallback<void>): void;
+
+  /**
+   * Binds a process to {@code NetHandle}.
+   * <p>All the sockets created from the process will be bound to the {@code NetHandle},
+   *     and the resolution of all host names will be managed by the {@code NetHandle}.</p>
+   * @permission ohos.permission.INTERNET
+   * @param { NetHandle } netHandle - Indicates the handle. For details, see {@link NetHandle}.
+   * @returns { Promise<void> } the promise returned by the function.
+   * @throws { BusinessError } 201 - Permission denied.
+   * @throws { BusinessError } 401 - Parameter error.
+   * @throws { BusinessError } 2100001 - Invalid parameter value.
+   * @throws { BusinessError } 2100002 - Failed to connect to the service.
+   * @throws { BusinessError } 2100003 - System internal error.
+   * @syscap SystemCapability.Communication.NetManager.Core
+   * @since 20
+   * @arkts 1.2
+   */
+  function setAppNetReturnsPromise(netHandle: NetHandle): Promise<void>;
+
+  /**
+   * @arkts 1.2
+   */
+  overload setAppNet { setAppNetWithCallback, setAppNetReturnsPromise };
+
   /**
    * Obtains the default {@link HttpProxy} proxy settings.
    *
@@ -817,8 +1262,7 @@ declare namespace connection {
    * @throws { BusinessError } 2100002 - Failed to connect to the service.
    * @throws { BusinessError } 2100003 - System internal error.
    * @syscap SystemCapability.Communication.NetManager.Core
-   * @since arkts {'1.1':'10','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 10
    */
   function getDefaultHttpProxy(callback: AsyncCallback<HttpProxy>): void;
 
@@ -834,11 +1278,51 @@ declare namespace connection {
    * @throws { BusinessError } 2100002 - Failed to connect to the service.
    * @throws { BusinessError } 2100003 - System internal error.
    * @syscap SystemCapability.Communication.NetManager.Core
-   * @since arkts {'1.1':'10','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 10
    */
   function getDefaultHttpProxy(): Promise<HttpProxy>;
 
+  /**
+   * Obtains the default {@link HttpProxy} proxy settings.
+   *
+   * If an application level proxy is set, the application level proxy parameters are returned.
+   * If a global proxy is set, the global proxy parameters are returned.
+   * If the process is bound to a {@link NetHandle} using {@link setAppNet},
+   *     the {@link NetHandle} proxy settings are returned.
+   * In other cases, the proxy settings of default network are returned.
+   *
+   * @param { AsyncCallback<HttpProxy> } callback - Returns the default {@link HttpProxy} settings.
+   * @throws { BusinessError } 2100002 - Failed to connect to the service.
+   * @throws { BusinessError } 2100003 - System internal error.
+   * @syscap SystemCapability.Communication.NetManager.Core
+   * @since 20
+   * @arkts 1.2
+   */
+  function getDefaultHttpProxyWithCallback(callback: AsyncCallback<HttpProxy>): void;
+
+  /**
+   * Obtains the default {@link HttpProxy} proxy settings.
+   *
+   * If an application level proxy is set, the application level proxy parameters are returned.
+   * If a global proxy is set, the global proxy parameters are returned.
+   * If the process is bound to a {@link NetHandle} using {@link setAppNet},
+   *     the {@link NetHandle} proxy settings are returned.
+   * In other cases, the proxy settings of default network are returned.
+   *
+   * @returns { Promise<HttpProxy> } the promise returned by the function.
+   * @throws { BusinessError } 2100002 - Failed to connect to the service.
+   * @throws { BusinessError } 2100003 - System internal error.
+   * @syscap SystemCapability.Communication.NetManager.Core
+   * @since 20
+   * @arkts 1.2
+   */
+  function getDefaultHttpProxyReturnsPromise(): Promise<HttpProxy>;
+
+  /**
+   * @arkts 1.2
+   */
+  overload getDefaultHttpProxy { getDefaultHttpProxyWithCallback, getDefaultHttpProxyReturnsPromise };
+
   /**
    * Obtains the network independent global {@link HttpProxy} proxy settings.
    * @param { AsyncCallback<HttpProxy> } callback - Returns the proxy settings. For details, see {@link HttpProxy}.
@@ -848,10 +1332,35 @@ declare namespace connection {
    * @throws { BusinessError } 2100003 - System internal error.
    * @syscap SystemCapability.Communication.NetManager.Core
    * @systemapi Hide this for inner system use.
-   * @since arkts {'1.1':'10','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 10
+   */
+  function getGlobalHttpProxy(callback: AsyncCallback<HttpProxy>): void;
+
+  /**
+   * Obtains the network independent global {@link HttpProxy} proxy settings.
+   * @returns { Promise<HttpProxy> } the promise returned by the function.
+   * @throws { BusinessError } 202 - Non-system applications use system APIs.
+   * @throws { BusinessError } 2100002 - Failed to connect to the service.
+   * @throws { BusinessError } 2100003 - System internal error.
+   * @syscap SystemCapability.Communication.NetManager.Core
+   * @systemapi Hide this for inner system use.
+   * @since 10
+   */
+  function getGlobalHttpProxy(): Promise<HttpProxy>;
+
+  /**
+   * Obtains the network independent global {@link HttpProxy} proxy settings.
+   * @param { AsyncCallback<HttpProxy> } callback - Returns the proxy settings. For details, see {@link HttpProxy}.
+   * @throws { BusinessError } 401 - Parameter error.
+   * @throws { BusinessError } 202 - Non-system applications use system APIs.
+   * @throws { BusinessError } 2100002 - Failed to connect to the service.
+   * @throws { BusinessError } 2100003 - System internal error.
+   * @syscap SystemCapability.Communication.NetManager.Core
+   * @systemapi Hide this for inner system use.
+   * @since 20
+   * @arkts 1.2
    */
-  function getGlobalHttpProxy(callback: AsyncCallback<HttpProxy>): void;
+  function getGlobalHttpProxyWithCallback(callback: AsyncCallback<HttpProxy>): void;
 
   /**
    * Obtains the network independent global {@link HttpProxy} proxy settings.
@@ -861,10 +1370,15 @@ declare namespace connection {
    * @throws { BusinessError } 2100003 - System internal error.
    * @syscap SystemCapability.Communication.NetManager.Core
    * @systemapi Hide this for inner system use.
-   * @since arkts {'1.1':'10','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 20
+   * @arkts 1.2
    */
-  function getGlobalHttpProxy(): Promise<HttpProxy>;
+  function getGlobalHttpProxyReturnsPromise(): Promise<HttpProxy>;
+
+  /**
+   * @arkts 1.2
+   */
+  overload getGlobalHttpProxy { getGlobalHttpProxyWithCallback, getGlobalHttpProxyReturnsPromise };
 
   /**
    * Set application level http proxy {@link HttpProxy}.
@@ -890,8 +1404,7 @@ declare namespace connection {
    * @throws { BusinessError } 2100003 - System internal error.
    * @syscap SystemCapability.Communication.NetManager.Core
    * @systemapi Hide this for inner system use.
-   * @since arkts {'1.1':'10','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 10
    */
   function setGlobalHttpProxy(httpProxy: HttpProxy, callback: AsyncCallback<void>): void;
 
@@ -908,11 +1421,51 @@ declare namespace connection {
    * @throws { BusinessError } 2100003 - System internal error.
    * @syscap SystemCapability.Communication.NetManager.Core
    * @systemapi Hide this for inner system use.
-   * @since arkts {'1.1':'10','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 10
    */
   function setGlobalHttpProxy(httpProxy: HttpProxy): Promise<void>;
 
+  /**
+   * Set a network independent global {@link HttpProxy} proxy settings.
+   * @permission ohos.permission.CONNECTIVITY_INTERNAL
+   * @param { HttpProxy } httpProxy - Indicates the global proxy settings. For details, see {@link HttpProxy}.
+   * @param { AsyncCallback<void> } callback - the callback of setGlobalHttpProxy.
+   * @throws { BusinessError } 201 - Permission denied.
+   * @throws { BusinessError } 401 - Parameter error.
+   * @throws { BusinessError } 202 - Non-system applications use system APIs.
+   * @throws { BusinessError } 2100001 - Invalid parameter value.
+   * @throws { BusinessError } 2100002 - Failed to connect to the service.
+   * @throws { BusinessError } 2100003 - System internal error.
+   * @syscap SystemCapability.Communication.NetManager.Core
+   * @systemapi Hide this for inner system use.
+   * @since 20
+   * @arkts 1.2
+   */
+  function setGlobalHttpProxyWithCallback(httpProxy: HttpProxy, callback: AsyncCallback<void>): void;
+
+  /**
+   * Set a network independent global {@link HttpProxy} proxy settings.
+   * @permission ohos.permission.CONNECTIVITY_INTERNAL
+   * @param { HttpProxy } httpProxy - Indicates the global proxy settings. For details, see {@link HttpProxy}.
+   * @returns { Promise<void> } the promise returned by the function.
+   * @throws { BusinessError } 201 - Permission denied.
+   * @throws { BusinessError } 401 - Parameter error.
+   * @throws { BusinessError } 202 - Non-system applications use system APIs.
+   * @throws { BusinessError } 2100001 - Invalid parameter value.
+   * @throws { BusinessError } 2100002 - Failed to connect to the service.
+   * @throws { BusinessError } 2100003 - System internal error.
+   * @syscap SystemCapability.Communication.NetManager.Core
+   * @systemapi Hide this for inner system use.
+   * @since 20
+   * @arkts 1.2
+   */
+  function setGlobalHttpProxyReturnsPromise(httpProxy: HttpProxy): Promise<void>;
+
+  /**
+   * @arkts 1.2
+   */
+  overload setGlobalHttpProxy { setGlobalHttpProxyWithCallback, setGlobalHttpProxyReturnsPromise };
+
   /**
    * Set the URL {@link pacUrl} of the current PAC script.
    * To invoke this method, you must have the {@code ohos.permission.SET_PAC_URL} permission.
@@ -966,8 +1519,7 @@ declare namespace connection {
    * @throws { BusinessError } 2100003 - System internal error.
    * @syscap SystemCapability.Communication.NetManager.Core
    * @atomicservice
-   * @since arkts {'1.1':'15','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 15
    */
   function addCustomDnsRule(host: string, ip: Array<string>, callback: AsyncCallback<void>): void;
 
@@ -998,11 +1550,51 @@ declare namespace connection {
    * @throws { BusinessError } 2100003 - System internal error.
    * @syscap SystemCapability.Communication.NetManager.Core
    * @atomicservice
-   * @since arkts {'1.1':'15','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 15
    */
   function addCustomDnsRule(host: string, ip: Array<string>): Promise<void>;
 
+  /**
+   * Add a custom {@link host} and corresponding {@link ip} mapping for current application.
+   * @permission ohos.permission.INTERNET
+   * @param { string } host - Indicates the host name or the domain.
+   * @param { Array<string> } ip - List of IP addresses mapped to the host name.
+   * @param { AsyncCallback<void> } callback - Returns the callback of addCustomDnsRule.
+   * @throws { BusinessError } 201 - Permission denied.
+   * @throws { BusinessError } 401 - Parameter error.
+   * @throws { BusinessError } 2100001 - Invalid parameter value.
+   * @throws { BusinessError } 2100002 - Failed to connect to the service.
+   * @throws { BusinessError } 2100003 - System internal error.
+   * @syscap SystemCapability.Communication.NetManager.Core
+   * @atomicservice
+   * @since 20
+   * @arkts 1.2
+   */
+  function addCustomDnsRuleWithCallback(host: string, ip: Array<string>, callback: AsyncCallback<void>): void;
+
+  /**
+   * Add a custom {@link host} and corresponding {@link ip} mapping for current application.
+   * @permission ohos.permission.INTERNET
+   * @param { string } host - Indicates the host name or the domain.
+   * @param { Array<string> } ip - List of IP addresses mapped to the host name.
+   * @returns { Promise<void> } the promise returned by the function.
+   * @throws { BusinessError } 201 - Permission denied.
+   * @throws { BusinessError } 401 - Parameter error.
+   * @throws { BusinessError } 2100001 - Invalid parameter value.
+   * @throws { BusinessError } 2100002 - Failed to connect to the service.
+   * @throws { BusinessError } 2100003 - System internal error.
+   * @syscap SystemCapability.Communication.NetManager.Core
+   * @atomicservice
+   * @since 20
+   * @arkts 1.2
+   */
+  function addCustomDnsRuleReturnsPromise(host: string, ip: Array<string>): Promise<void>;
+
+  /**
+   * @arkts 1.2
+   */
+  overload addCustomDnsRule { addCustomDnsRuleWithCallback, addCustomDnsRuleReturnsPromise };
+
   /**
    * Remove the custom DNS rule of the {@link host} for current application.
    * @permission ohos.permission.INTERNET
@@ -1028,8 +1620,7 @@ declare namespace connection {
    * @throws { BusinessError } 2100003 - System internal error.
    * @syscap SystemCapability.Communication.NetManager.Core
    * @atomicservice
-   * @since arkts {'1.1':'15','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 15
    */
   function removeCustomDnsRule(host: string, callback: AsyncCallback<void>): void;
 
@@ -1058,11 +1649,47 @@ declare namespace connection {
    * @throws { BusinessError } 2100003 - System internal error.
    * @syscap SystemCapability.Communication.NetManager.Core
    * @atomicservice
-   * @since arkts {'1.1':'15','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 15
    */
   function removeCustomDnsRule(host: string): Promise<void>;
 
+  /**
+   * Remove the custom DNS rule of the {@link host} for current application.
+   * @permission ohos.permission.INTERNET
+   * @param { string } host - Indicates the host name or the domain.
+   * @param { AsyncCallback<void> } callback - Returns the callback of removeCustomDnsRule.
+   * @throws { BusinessError } 201 - Permission denied.
+   * @throws { BusinessError } 401 - Parameter error.
+   * @throws { BusinessError } 2100001 - Invalid parameter value.
+   * @throws { BusinessError } 2100002 - Failed to connect to the service.
+   * @throws { BusinessError } 2100003 - System internal error.
+   * @syscap SystemCapability.Communication.NetManager.Core
+   * @since 20
+   * @arkts 1.2
+   */
+  function removeCustomDnsRuleWithCallback(host: string, callback: AsyncCallback<void>): void;
+
+  /**
+   * Remove the custom DNS rule of the {@link host} for current application.
+   * @permission ohos.permission.INTERNET
+   * @param { string } host - Indicates the host name or the domain.
+   * @returns { Promise<void> } the promise returned by the function.
+   * @throws { BusinessError } 201 - Permission denied.
+   * @throws { BusinessError } 401 - Parameter error.
+   * @throws { BusinessError } 2100001 - Invalid parameter value.
+   * @throws { BusinessError } 2100002 - Failed to connect to the service.
+   * @throws { BusinessError } 2100003 - System internal error.
+   * @syscap SystemCapability.Communication.NetManager.Core
+   * @since 20
+   * @arkts 1.2
+   */
+  function removeCustomDnsRuleReturnsPromise(host: string): Promise<void>;
+
+  /**
+   * @arkts 1.2
+   */
+  overload removeCustomDnsRule { removeCustomDnsRuleWithCallback, removeCustomDnsRuleReturnsPromise };
+
   /**
    * Clear all custom DNS rules for current application.
    * @permission ohos.permission.INTERNET
@@ -1073,8 +1700,7 @@ declare namespace connection {
    * @throws { BusinessError } 2100002 - Failed to connect to the service.
    * @throws { BusinessError } 2100003 - System internal error.
    * @syscap SystemCapability.Communication.NetManager.Core
-   * @since arkts {'1.1':'11','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 11
    */
   function clearCustomDnsRules(callback: AsyncCallback<void>): void;
 
@@ -1087,11 +1713,44 @@ declare namespace connection {
    * @throws { BusinessError } 2100002 - Failed to connect to the service.
    * @throws { BusinessError } 2100003 - System internal error.
    * @syscap SystemCapability.Communication.NetManager.Core
-   * @since arkts {'1.1':'11','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 11
    */
   function clearCustomDnsRules(): Promise<void>;
 
+  /**
+   * Clear all custom DNS rules for current application.
+   * @permission ohos.permission.INTERNET
+   * @param { AsyncCallback<void> } callback - Returns the callback of clearCustomDnsRules.
+   * @throws { BusinessError } 201 - Permission denied.
+   * @throws { BusinessError } 401 - Parameter error.
+   * @throws { BusinessError } 2100001 - Invalid parameter value.
+   * @throws { BusinessError } 2100002 - Failed to connect to the service.
+   * @throws { BusinessError } 2100003 - System internal error.
+   * @syscap SystemCapability.Communication.NetManager.Core
+   * @since 20
+   * @arkts 1.2
+   */
+  function clearCustomDnsRulesWithCallback(callback: AsyncCallback<void>): void;
+
+  /**
+   * Clear all custom DNS rules for current application.
+   * @permission ohos.permission.INTERNET
+   * @returns { Promise<void> } the promise returned by the function.
+   * @throws { BusinessError } 201 - Permission denied.
+   * @throws { BusinessError } 2100001 - Invalid parameter value.
+   * @throws { BusinessError } 2100002 - Failed to connect to the service.
+   * @throws { BusinessError } 2100003 - System internal error.
+   * @syscap SystemCapability.Communication.NetManager.Core
+   * @since 20
+   * @arkts 1.2
+   */
+  function clearCustomDnsRulesReturnsPromise(): Promise<void>;
+
+  /**
+   * @arkts 1.2
+   */
+  overload clearCustomDnsRules { clearCustomDnsRulesWithCallback, clearCustomDnsRulesReturnsPromise };
+
   /**
    * factory reset network settings
    *
@@ -1154,11 +1813,20 @@ declare namespace connection {
      * @syscap SystemCapability.Communication.NetManager.Core
      * @crossplatform
      * @atomicservice
-     * @since arkts {'1.1':'11','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 11
      */
     on(type: 'netAvailable', callback: Callback<NetHandle>): void;
 
+    /**
+     * Registers a listener for netAvailable events.
+     * @param { 'netAvailable' } type - Indicates Event name.
+     * @param { Callback<NetHandle> } callback - the callback used to return the result.
+     * @syscap SystemCapability.Communication.NetManager.Core
+     * @since 20
+     * @arkts 1.2
+     */
+    onNetAvailableWithCallback(type: 'netAvailable', callback: Callback<NetHandle>): void;
+
     /**
      * Registers a listener for netBlockStatusChange events.
      * @param { 'netBlockStatusChange' } type - Indicates Event name.
@@ -1171,11 +1839,20 @@ declare namespace connection {
      * @param { 'netBlockStatusChange' } type - Indicates Event name.
      * @param { Callback<NetBlockStatusInfo> } callback - the callback used to return the result.
      * @syscap SystemCapability.Communication.NetManager.Core
-     * @since arkts {'1.1':'11','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 11
      */
     on(type: 'netBlockStatusChange', callback: Callback<NetBlockStatusInfo>): void;
 
+    /**
+     * Registers a listener for netBlockStatusChange events.
+     * @param { 'netBlockStatusChange' } type - Indicates Event name.
+     * @param { Callback<NetBlockStatusInfo> } callback - the callback used to return the result.
+     * @syscap SystemCapability.Communication.NetManager.Core
+     * @since 20
+     * @arkts 1.2
+     */
+    onNetBlockStatusChangeWithCallback(type: 'netBlockStatusChange', callback: Callback<NetBlockStatusInfo>): void;
+
     /**
      * Registers a listener for **netCapabilitiesChange** events.
      * @param { 'netCapabilitiesChange' } type - Indicates Event name.
@@ -1198,11 +1875,20 @@ declare namespace connection {
      * @syscap SystemCapability.Communication.NetManager.Core
      * @crossplatform
      * @atomicservice
-     * @since arkts {'1.1':'11','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 11
      */
     on(type: 'netCapabilitiesChange', callback: Callback<NetCapabilityInfo>): void;
 
+    /**
+     * Registers a listener for **netCapabilitiesChange** events.
+     * @param { 'netCapabilitiesChange' } type - Indicates Event name.
+     * @param { Callback<NetCapabilityInfo> } callback - the callback used to return the result.
+     * @syscap SystemCapability.Communication.NetManager.Core
+     * @since 20
+     * @arkts 1.2
+     */
+    onNetCapabilitiesChangeWithCallback(type: 'netCapabilitiesChange', callback: Callback<NetCapabilityInfo>): void;
+
     /**
      * Registers a listener for netConnectionPropertiesChange events.
      * @param { 'netConnectionPropertiesChange' } type - Indicates Event name.
@@ -1215,11 +1901,20 @@ declare namespace connection {
      * @param { 'netConnectionPropertiesChange' } type - Indicates Event name.
      * @param { Callback<NetConnectionPropertyInfo> } callback - the callback used to return the result.
      * @syscap SystemCapability.Communication.NetManager.Core
-     * @since arkts {'1.1':'11','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 11
      */
     on(type: 'netConnectionPropertiesChange', callback: Callback<NetConnectionPropertyInfo>): void;
 
+    /**
+     * Registers a listener for netConnectionPropertiesChange events.
+     * @param { 'netConnectionPropertiesChange' } type - Indicates Event name.
+     * @param { Callback<NetConnectionPropertyInfo> } callback - the callback used to return the result.
+     * @syscap SystemCapability.Communication.NetManager.Core
+     * @since 20
+     * @arkts 1.2
+     */
+    onNetConnectionPropertiesChangeWithCallback(type: 'netConnectionPropertiesChange', callback: Callback<NetConnectionPropertyInfo>): void;
+
     /**
      * Registers a listener for **netLost** events.
      * @param { 'netLost' } type - Indicates Event name.
@@ -1242,11 +1937,20 @@ declare namespace connection {
      * @syscap SystemCapability.Communication.NetManager.Core
      * @crossplatform
      * @atomicservice
-     * @since arkts {'1.1':'11','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 11
      */
     on(type: 'netLost', callback: Callback<NetHandle>): void;
 
+    /**
+     * Registers a listener for **netLost** events.
+     * @param { 'netLost' } type - Indicates Event name.
+     * @param { Callback<NetHandle> } callback - the callback used to return the result.
+     * @syscap SystemCapability.Communication.NetManager.Core
+     * @since 20
+     * @arkts 1.2
+     */
+    onNetLostWtihCallback(type: 'netLost', callback: Callback<NetHandle>): void;
+
     /**
      * Registers a listener for netUnavailable events.
      * @param { 'netUnavailable' } type - Indicates Event name.
@@ -1269,11 +1973,31 @@ declare namespace connection {
      * @syscap SystemCapability.Communication.NetManager.Core
      * @crossplatform
      * @atomicservice
-     * @since arkts {'1.1':'11','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 11
      */
     on(type: 'netUnavailable', callback: Callback<void>): void;
 
+    /**
+     * Registers a listener for netUnavailable events.
+     * @param { 'netUnavailable' } type - Indicates Event name.
+     * @param { Callback<void> } callback - the callback used to return the result.
+     * @syscap SystemCapability.Communication.NetManager.Core
+     * @since 20
+     * @arkts 1.2
+     */
+    onNetUnavailableWithCallback(type: 'netUnavailable', callback: Callback<void>): void;
+
+    /**
+     * @arkts 1.2
+     */
+    overload on {
+      onNetAvailableWithCallback,
+      onNetBlockStatusChangeWithCallback,
+      onNetCapabilitiesChangeWithCallback,
+      onNetConnectionPropertiesChangeWithCallback,
+      onNetLostWtihCallback,
+      onNetUnavailableWithCallback };
+
     /**
      * Receives status change notifications of a specified network.
      * @permission ohos.permission.GET_NETWORK_INFO
@@ -1621,8 +2345,7 @@ declare namespace connection {
      * @throws { BusinessError } 2100002 - Failed to connect to the service.
      * @throws { BusinessError } 2100003 - System internal error.
      * @syscap SystemCapability.Communication.NetManager.Core
-     * @since arkts {'1.1':'8','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 8
      */
     getAddressByName(host: string, callback: AsyncCallback<NetAddress>): void;
 
@@ -1637,10 +2360,46 @@ declare namespace connection {
      * @throws { BusinessError } 2100002 - Failed to connect to the service.
      * @throws { BusinessError } 2100003 - System internal error.
      * @syscap SystemCapability.Communication.NetManager.Core
-     * @since arkts {'1.1':'8','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 8
      */
     getAddressByName(host: string): Promise<NetAddress>;
+
+    /**
+     * Resolves a host name to obtain the first IP address based on the specified NetHandle.
+     * @permission ohos.permission.INTERNET
+     * @param { string } host - Indicates the host name or the domain.
+     * @param { AsyncCallback<NetAddress> } callback - the callback of getAddressByName.
+     * @throws { BusinessError } 201 - Permission denied.
+     * @throws { BusinessError } 401 - Parameter error.
+     * @throws { BusinessError } 2100001 - Invalid parameter value.
+     * @throws { BusinessError } 2100002 - Failed to connect to the service.
+     * @throws { BusinessError } 2100003 - System internal error.
+     * @syscap SystemCapability.Communication.NetManager.Core
+     * @since 20
+     * @arkts 1.2
+     */
+    getAddressByNameWithCallback(host: string, callback: AsyncCallback<NetAddress>): void;
+
+    /**
+     * Resolves a host name to obtain the first IP address based on the specified NetHandle.
+     * @permission ohos.permission.INTERNET
+     * @param { string } host - Indicates the host name or the domain.
+     * @returns { Promise<NetAddress> } The promise returned by the function.
+     * @throws { BusinessError } 201 - Permission denied.
+     * @throws { BusinessError } 401 - Parameter error.
+     * @throws { BusinessError } 2100001 - Invalid parameter value.
+     * @throws { BusinessError } 2100002 - Failed to connect to the service.
+     * @throws { BusinessError } 2100003 - System internal error.
+     * @syscap SystemCapability.Communication.NetManager.Core
+     * @since 20
+     * @arkts 1.2
+     */
+    getAddressByNameReturnsPromise(host: string): Promise<NetAddress>;
+
+    /**
+     * @arkts 1.2
+     */
+    overload getAddressByName { getAddressByNameWithCallback, getAddressByNameReturnsPromise };
   }
 
   /**
diff --git a/api/@ohos.net.http.d.ts b/api/@ohos.net.http.d.ts
index fbb2c980064be5e97be2fb655c40e10bf2df20fc..0a74e4747c9016f4a47d2f290d0cce00d8bbc659 100644
--- a/api/@ohos.net.http.d.ts
+++ b/api/@ohos.net.http.d.ts
@@ -1948,8 +1948,7 @@ declare namespace http {
      * @syscap SystemCapability.Communication.NetStack
      * @crossplatform
      * @atomicservice
-     * @since arkts {'1.1':'18','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 18
      */
     requestInStream(url: string, callback: AsyncCallback<int>): void;
 
@@ -2118,8 +2117,7 @@ declare namespace http {
      * @syscap SystemCapability.Communication.NetStack
      * @crossplatform
      * @atomicservice
-     * @since arkts {'1.1':'18','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 18
      */
     requestInStream(url: string, option: HttpRequestOptions, callback: AsyncCallback<int>): void;
 
@@ -2288,11 +2286,153 @@ declare namespace http {
      * @syscap SystemCapability.Communication.NetStack
      * @crossplatform
      * @atomicservice
-     * @since arkts {'1.1':'18','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 18
      */
     requestInStream(url: string, options?: HttpRequestOptions): Promise<int>;
 
+    /**
+     * Initiates an HTTP request to a given URL, applicable to scenarios where http response supports streaming.
+     * @permission ohos.permission.INTERNET
+     * @param { string } url - URL for initiating an HTTP request.
+     * @param { AsyncCallback<int> } callback - Returns the callback of requestInStream {@link ResponseCode},
+     *     should use on_headersReceive and on_dataReceive to get http response.
+     * @throws { BusinessError } 201 - Permission denied.
+     * @throws { BusinessError } 401 - Parameter error.
+     * @throws { BusinessError } 2300001 - Unsupported protocol.
+     * @throws { BusinessError } 2300003 - Invalid URL format or missing URL.
+     * @throws { BusinessError } 2300005 - Failed to resolve the proxy name.
+     * @throws { BusinessError } 2300006 - Failed to resolve the host name.
+     * @throws { BusinessError } 2300007 - Failed to connect to the server.
+     * @throws { BusinessError } 2300008 - Invalid server response.
+     * @throws { BusinessError } 2300009 - Access to the remote resource denied.
+     * @throws { BusinessError } 2300016 - Error in the HTTP2 framing layer.
+     * @throws { BusinessError } 2300018 - Transferred a partial file.
+     * @throws { BusinessError } 2300023 - Failed to write the received data to the disk or application.
+     * @throws { BusinessError } 2300025 - Upload failed.
+     * @throws { BusinessError } 2300026 - Failed to open or read local data from the file or application.
+     * @throws { BusinessError } 2300027 - Out of memory.
+     * @throws { BusinessError } 2300028 - Operation timeout.
+     * @throws { BusinessError } 2300047 - The number of redirections reaches the maximum allowed.
+     * @throws { BusinessError } 2300052 - The server returned nothing (no header or data).
+     * @throws { BusinessError } 2300055 - Failed to send data to the peer.
+     * @throws { BusinessError } 2300056 - Failed to receive data from the peer.
+     * @throws { BusinessError } 2300058 - Local SSL certificate error.
+     * @throws { BusinessError } 2300059 - The specified SSL cipher cannot be used.
+     * @throws { BusinessError } 2300060 - Invalid SSL peer certificate or SSH remote key.
+     * @throws { BusinessError } 2300061 - Invalid HTTP encoding format.
+     * @throws { BusinessError } 2300063 - Maximum file size exceeded.
+     * @throws { BusinessError } 2300070 - Remote disk full.
+     * @throws { BusinessError } 2300073 - Remote file already exists.
+     * @throws { BusinessError } 2300077 - The SSL CA certificate does not exist or is inaccessible.
+     * @throws { BusinessError } 2300078 - Remote file not found.
+     * @throws { BusinessError } 2300094 - Authentication error.
+     * @throws { BusinessError } 2300997 - Cleartext traffic not permitted.
+     * @throws { BusinessError } 2300998 - It is not allowed to access this domain.
+     * @throws { BusinessError } 2300999 - Internal error.
+     * @syscap SystemCapability.Communication.NetStack
+     * @since 20
+     * @arkts 1.2
+     */
+    requestInStreamWithCallback(url: string, callback: AsyncCallback<int>): void;
+
+    /**
+     * Initiates an HTTP request to a given URL, applicable to scenarios where http response supports streaming.
+     * @permission ohos.permission.INTERNET
+     * @param { string } url - URL for initiating an HTTP request.
+     * @param { HttpRequestOptions } option - Optional parameters {@link HttpRequestOptions}.
+     * @param { AsyncCallback<int> } callback - the callback of requestInStream.
+     * @throws { BusinessError } 201 - Permission denied.
+     * @throws { BusinessError } 401 - Parameter error.
+     * @throws { BusinessError } 2300001 - Unsupported protocol.
+     * @throws { BusinessError } 2300003 - Invalid URL format or missing URL.
+     * @throws { BusinessError } 2300005 - Failed to resolve the proxy name.
+     * @throws { BusinessError } 2300006 - Failed to resolve the host name.
+     * @throws { BusinessError } 2300007 - Failed to connect to the server.
+     * @throws { BusinessError } 2300008 - Invalid server response.
+     * @throws { BusinessError } 2300009 - Access to the remote resource denied.
+     * @throws { BusinessError } 2300016 - Error in the HTTP2 framing layer.
+     * @throws { BusinessError } 2300018 - Transferred a partial file.
+     * @throws { BusinessError } 2300023 - Failed to write the received data to the disk or application.
+     * @throws { BusinessError } 2300025 - Upload failed.
+     * @throws { BusinessError } 2300026 - Failed to open or read local data from the file or application.
+     * @throws { BusinessError } 2300027 - Out of memory.
+     * @throws { BusinessError } 2300028 - Operation timeout.
+     * @throws { BusinessError } 2300047 - The number of redirections reaches the maximum allowed.
+     * @throws { BusinessError } 2300052 - The server returned nothing (no header or data).
+     * @throws { BusinessError } 2300055 - Failed to send data to the peer.
+     * @throws { BusinessError } 2300056 - Failed to receive data from the peer.
+     * @throws { BusinessError } 2300058 - Local SSL certificate error.
+     * @throws { BusinessError } 2300059 - The specified SSL cipher cannot be used.
+     * @throws { BusinessError } 2300060 - Invalid SSL peer certificate or SSH remote key.
+     * @throws { BusinessError } 2300061 - Invalid HTTP encoding format.
+     * @throws { BusinessError } 2300063 - Maximum file size exceeded.
+     * @throws { BusinessError } 2300070 - Remote disk full.
+     * @throws { BusinessError } 2300073 - Remote file already exists.
+     * @throws { BusinessError } 2300077 - The SSL CA certificate does not exist or is inaccessible.
+     * @throws { BusinessError } 2300078 - Remote file not found.
+     * @throws { BusinessError } 2300094 - Authentication error.
+     * @throws { BusinessError } 2300997 - Cleartext traffic not permitted.
+     * @throws { BusinessError } 2300998 - It is not allowed to access this domain.
+     * @throws { BusinessError } 2300999 - Internal error.
+     * @syscap SystemCapability.Communication.NetStack
+     * @since 20
+     * @arkts 1.2
+     */
+    requestInStreamWithOptionCallback(url: string, option: HttpRequestOptions, callback: AsyncCallback<int>): void;
+
+    /**
+     * Initiates an HTTP request to a given URL, applicable to scenarios where http response supports streaming.
+     * @permission ohos.permission.INTERNET
+     * @param { string } url - URL for initiating an HTTP request.
+     * @param { HttpRequestOptions } [options] - Optional parameters {@link HttpRequestOptions}.
+     * @returns { Promise<int> } the promise returned by the function.
+     * @throws { BusinessError } 201 - Permission denied.
+     * @throws { BusinessError } 401 - Parameter error.
+     * @throws { BusinessError } 2300001 - Unsupported protocol.
+     * @throws { BusinessError } 2300003 - Invalid URL format or missing URL.
+     * @throws { BusinessError } 2300005 - Failed to resolve the proxy name.
+     * @throws { BusinessError } 2300006 - Failed to resolve the host name.
+     * @throws { BusinessError } 2300007 - Failed to connect to the server.
+     * @throws { BusinessError } 2300008 - Invalid server response.
+     * @throws { BusinessError } 2300009 - Access to the remote resource denied.
+     * @throws { BusinessError } 2300016 - Error in the HTTP2 framing layer.
+     * @throws { BusinessError } 2300018 - Transferred a partial file.
+     * @throws { BusinessError } 2300023 - Failed to write the received data to the disk or application.
+     * @throws { BusinessError } 2300025 - Upload failed.
+     * @throws { BusinessError } 2300026 - Failed to open or read local data from the file or application.
+     * @throws { BusinessError } 2300027 - Out of memory.
+     * @throws { BusinessError } 2300028 - Operation timeout.
+     * @throws { BusinessError } 2300047 - The number of redirections reaches the maximum allowed.
+     * @throws { BusinessError } 2300052 - The server returned nothing (no header or data).
+     * @throws { BusinessError } 2300055 - Failed to send data to the peer.
+     * @throws { BusinessError } 2300056 - Failed to receive data from the peer.
+     * @throws { BusinessError } 2300058 - Local SSL certificate error.
+     * @throws { BusinessError } 2300059 - The specified SSL cipher cannot be used.
+     * @throws { BusinessError } 2300060 - Invalid SSL peer certificate or SSH remote key.
+     * @throws { BusinessError } 2300061 - Invalid HTTP encoding format.
+     * @throws { BusinessError } 2300063 - Maximum file size exceeded.
+     * @throws { BusinessError } 2300070 - Remote disk full.
+     * @throws { BusinessError } 2300073 - Remote file already exists.
+     * @throws { BusinessError } 2300077 - The SSL CA certificate does not exist or is inaccessible.
+     * @throws { BusinessError } 2300078 - Remote file not found.
+     * @throws { BusinessError } 2300094 - Authentication error.
+     * @throws { BusinessError } 2300997 - Cleartext traffic not permitted.
+     * @throws { BusinessError } 2300998 - It is not allowed to access this domain.
+     * @throws { BusinessError } 2300999 - Internal error.
+     * @syscap SystemCapability.Communication.NetStack
+     * @since 20
+     * @arkts 1.2
+     */
+    requestInStreamWithOptionsReturnsPromise(url: string, options?: HttpRequestOptions): Promise<int>;
+
+    /**
+     * @arkts 1.2
+     */
+    overload requestInStream {
+      requestInStreamWithCallback,
+      requestInStreamWithOptionCallback,
+      requestInStreamWithOptionsReturnsPromise };
+
     /**
      * Destroys an HTTP request.
      * @syscap SystemCapability.Communication.NetStack
@@ -4379,8 +4519,7 @@ declare namespace http {
      * @syscap SystemCapability.Communication.NetStack
      * @crossplatform
      * @atomicservice
-     * @since arkts {'1.1':'11','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 11
      */
     delete(callback: AsyncCallback<void>): void;
 
@@ -4403,10 +4542,32 @@ declare namespace http {
      * @syscap SystemCapability.Communication.NetStack
      * @crossplatform
      * @atomicservice
-     * @since arkts {'1.1':'11','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 11
      */
     delete(): Promise<void>;
+
+    /**
+     * Disables a cache and deletes the data in it.
+     * @param { AsyncCallback<void> } callback - the callback of delete.
+     * @syscap SystemCapability.Communication.NetStack
+     * @since 20
+     * @arkts 1.2
+     */
+    deleteWithCallback(callback: AsyncCallback<void>): void;
+
+    /**
+     * Disables a cache and deletes the data in it.
+     * @returns { Promise<void> } The promise returned by the delete.
+     * @syscap SystemCapability.Communication.NetStack
+     * @since 20
+     * @arkts 1.2
+     */
+    deleteReturnsPromise(): Promise<void>;
+
+    /**
+     * @arkts 1.2
+     */
+    overload delete { deleteWithCallback, deleteReturnsPromise };
   }
 }
 
diff --git a/api/@ohos.net.sharing.d.ts b/api/@ohos.net.sharing.d.ts
index 01c43106da124ddae3e6529a441bf0ebf0bf51fb..a95ebbe1a194160319e650c058ecbc6cd4785b1b 100644
--- a/api/@ohos.net.sharing.d.ts
+++ b/api/@ohos.net.sharing.d.ts
@@ -50,8 +50,7 @@ declare namespace sharing {
    * @throws { BusinessError } 2202011 - Cannot get network sharing configuration.
    * @syscap SystemCapability.Communication.NetManager.NetSharing
    * @systemapi Hide this for inner system use.
-   * @since arkts {'1.1':'9','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 9
   */
   function isSharingSupported(callback: AsyncCallback<boolean>): void;
 
@@ -66,11 +65,48 @@ declare namespace sharing {
    * @throws { BusinessError } 2202011 - Cannot get network sharing configuration.
    * @syscap SystemCapability.Communication.NetManager.NetSharing
    * @systemapi Hide this for inner system use.
-   * @since arkts {'1.1':'9','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 9
    */
   function isSharingSupported(): Promise<boolean>;
 
+  /**
+   * Checks whether this device allows for network sharing.
+   * @permission ohos.permission.CONNECTIVITY_INTERNAL
+   * @param { AsyncCallback<boolean> } callback - Returns {@code true} indicating network sharing is supported;
+   * returns {@code false} otherwise.
+   * @throws { BusinessError } 201 - Permission denied.
+   * @throws { BusinessError } 202 - Non-system applications use system APIs.
+   * @throws { BusinessError } 2200002 - Failed to connect to the service.
+   * @throws { BusinessError } 2200003 - System internal error.
+   * @throws { BusinessError } 2202011 - Cannot get network sharing configuration.
+   * @syscap SystemCapability.Communication.NetManager.NetSharing
+   * @systemapi Hide this for inner system use.
+   * @since 20
+   * @arkts 1.2
+  */
+  function isSharingSupportedWithCallback(callback: AsyncCallback<boolean>): void;
+
+  /**
+   * Checks whether this device allows for network sharing.
+   * @permission ohos.permission.CONNECTIVITY_INTERNAL
+   * @returns { Promise<boolean> } The promise returned by the function.
+   * @throws { BusinessError } 201 - Permission denied.
+   * @throws { BusinessError } 202 - Non-system applications use system APIs.
+   * @throws { BusinessError } 2200002 - Failed to connect to the service.
+   * @throws { BusinessError } 2200003 - System internal error.
+   * @throws { BusinessError } 2202011 - Cannot get network sharing configuration.
+   * @syscap SystemCapability.Communication.NetManager.NetSharing
+   * @systemapi Hide this for inner system use.
+   * @since 20
+   * @arkts 1.2
+   */
+  function isSharingSupportedReturnsPromise(): Promise<boolean>;
+
+  /**
+   * @arkts 1.2
+   */
+  overload isSharingSupported { isSharingSupportedWithCallback, isSharingSupportedReturnsPromise };
+
   /**
    * Return the global network sharing state.
    * @permission ohos.permission.CONNECTIVITY_INTERNAL
@@ -83,8 +119,7 @@ declare namespace sharing {
    * @throws { BusinessError } 2202011 - Cannot get network sharing configuration.
    * @syscap SystemCapability.Communication.NetManager.NetSharing
    * @systemapi Hide this for inner system use.
-   * @since arkts {'1.1':'9','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 9
    */
   function isSharing(callback: AsyncCallback<boolean>): void;
 
@@ -99,11 +134,48 @@ declare namespace sharing {
    * @throws { BusinessError } 2202011 - Cannot get network sharing configuration.
    * @syscap SystemCapability.Communication.NetManager.NetSharing
    * @systemapi Hide this for inner system use. 
-   * @since arkts {'1.1':'9','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 9
    */
   function isSharing(): Promise<boolean>;
 
+  /**
+   * Return the global network sharing state.
+   * @permission ohos.permission.CONNECTIVITY_INTERNAL
+   * @param { AsyncCallback<boolean> } callback - Returns {@code true} indicating network sharing is running;
+   * returns {@code false} otherwise.
+   * @throws { BusinessError } 201 - Permission denied.
+   * @throws { BusinessError } 202 - Non-system applications use system APIs.
+   * @throws { BusinessError } 2200002 - Failed to connect to the service.
+   * @throws { BusinessError } 2200003 - System internal error.
+   * @throws { BusinessError } 2202011 - Cannot get network sharing configuration.
+   * @syscap SystemCapability.Communication.NetManager.NetSharing
+   * @systemapi Hide this for inner system use.
+   * @since 20
+   * @arkts 1.2
+   */
+  function isSharingWithCallback(callback: AsyncCallback<boolean>): void;
+
+  /**
+   * Return the global network sharing state.
+   * @permission ohos.permission.CONNECTIVITY_INTERNAL
+   * @returns { Promise<boolean> } The promise returned by the function.
+   * @throws { BusinessError } 201 - Permission denied.
+   * @throws { BusinessError } 202 - Non-system applications use system APIs.
+   * @throws { BusinessError } 2200002 - Failed to connect to the service.
+   * @throws { BusinessError } 2200003 - System internal error.
+   * @throws { BusinessError } 2202011 - Cannot get network sharing configuration.
+   * @syscap SystemCapability.Communication.NetManager.NetSharing
+   * @systemapi Hide this for inner system use. 
+   * @since 20
+   * @arkts 1.2
+   */
+  function isSharingReturnsPromise(): Promise<boolean>;
+
+  /**
+   * @arkts 1.2
+   */
+  overload isSharing { isSharingWithCallback, isSharingReturnsPromise };
+
   /**
    * Start network sharing for given type.
    * @permission ohos.permission.CONNECTIVITY_INTERNAL
@@ -122,8 +194,7 @@ declare namespace sharing {
    * @throws { BusinessError } 2202011 - Cannot get network sharing configuration.
    * @syscap SystemCapability.Communication.NetManager.NetSharing
    * @systemapi Hide this for inner system use.
-   * @since arkts {'1.1':'9','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 9
    */
   function startSharing(type: SharingIfaceType, callback: AsyncCallback<void>): void;
 
@@ -145,11 +216,61 @@ declare namespace sharing {
    * @throws { BusinessError } 2202011 - Cannot get network sharing configuration.
    * @syscap SystemCapability.Communication.NetManager.NetSharing
    * @systemapi Hide this for inner system use.
-   * @since arkts {'1.1':'9','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 9
    */
   function startSharing(type: SharingIfaceType): Promise<void>;
 
+  /**
+   * Start network sharing for given type.
+   * @permission ohos.permission.CONNECTIVITY_INTERNAL
+   * @param { SharingIfaceType } type - Enumeration of shareable interface types.
+   * @param { AsyncCallback<void> } callback - the callback of startSharing.
+   * @throws { BusinessError } 201 - Permission denied.
+   * @throws { BusinessError } 202 - Non-system applications use system APIs.
+   * @throws { BusinessError } 401 - Parameter error.
+   * @throws { BusinessError } 2200001 - Invalid parameter value.
+   * @throws { BusinessError } 2200002 - Failed to connect to the service.
+   * @throws { BusinessError } 2200003 - System internal error.
+   * @throws { BusinessError } 2202004 - Try to share an unavailable iface.
+   * @throws { BusinessError } 2202005 - WiFi sharing failed.
+   * @throws { BusinessError } 2202006 - Bluetooth sharing failed.
+   * @throws { BusinessError } 2202009 - Failed to enable forwarding for network sharing.
+   * @throws { BusinessError } 2202011 - Cannot get network sharing configuration.
+   * @syscap SystemCapability.Communication.NetManager.NetSharing
+   * @systemapi Hide this for inner system use.
+   * @since 20
+   * @arkts 1.2
+   */
+  function startSharingWithCallback(type: SharingIfaceType, callback: AsyncCallback<void>): void;
+
+  /**
+   * Start network sharing for given type.
+   * @permission ohos.permission.CONNECTIVITY_INTERNAL
+   * @param { SharingIfaceType } type - Enumeration of shareable interface types.
+   * @returns { Promise<void> } The promise returned by the function.
+   * @throws { BusinessError } 201 - Permission denied.
+   * @throws { BusinessError } 202 - Non-system applications use system APIs.
+   * @throws { BusinessError } 401 - Parameter error.
+   * @throws { BusinessError } 2200001 - Invalid parameter value.
+   * @throws { BusinessError } 2200002 - Failed to connect to the service.
+   * @throws { BusinessError } 2200003 - System internal error.
+   * @throws { BusinessError } 2202004 - Try to share an unavailable iface.
+   * @throws { BusinessError } 2202005 - WiFi sharing failed.
+   * @throws { BusinessError } 2202006 - Bluetooth sharing failed.
+   * @throws { BusinessError } 2202009 - Failed to enable forwarding for network sharing.
+   * @throws { BusinessError } 2202011 - Cannot get network sharing configuration.
+   * @syscap SystemCapability.Communication.NetManager.NetSharing
+   * @systemapi Hide this for inner system use.
+   * @since 20
+   * @arkts 1.2
+   */
+  function startSharingReturnsPromise(type: SharingIfaceType): Promise<void>;
+
+  /**
+   * @arkts 1.2
+   */
+  overload startSharing { startSharingWithCallback, startSharingReturnsPromise };
+
   /**
    * Stop network sharing for given type.
    * @permission ohos.permission.CONNECTIVITY_INTERNAL
@@ -167,8 +288,7 @@ declare namespace sharing {
    * @throws { BusinessError } 2202011 - Cannot get network sharing configuration.
    * @syscap SystemCapability.Communication.NetManager.NetSharing
    * @systemapi Hide this for inner system use.
-   * @since arkts {'1.1':'9','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 9
    */
   function stopSharing(type: SharingIfaceType, callback: AsyncCallback<void>): void;
 
@@ -189,11 +309,59 @@ declare namespace sharing {
    * @throws { BusinessError } 2202011 - Cannot get network sharing configuration.
    * @syscap SystemCapability.Communication.NetManager.NetSharing
    * @systemapi Hide this for inner system use.
-   * @since arkts {'1.1':'9','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 9
    */
   function stopSharing(type: SharingIfaceType): Promise<void>;
 
+  /**
+   * Stop network sharing for given type.
+   * @permission ohos.permission.CONNECTIVITY_INTERNAL
+   * @param { SharingIfaceType } type - Enumeration of shareable interface types.
+   * @param { AsyncCallback<void> } callback - the callback of startSharing.
+   * @throws { BusinessError } 201 - Permission denied.
+   * @throws { BusinessError } 202 - Non-system applications use system APIs.
+   * @throws { BusinessError } 401 - Parameter error.
+   * @throws { BusinessError } 2200001 - Invalid parameter value.
+   * @throws { BusinessError } 2200002 - Failed to connect to the service.
+   * @throws { BusinessError } 2200003 - System internal error.
+   * @throws { BusinessError } 2202004 - Try to share an unavailable iface.
+   * @throws { BusinessError } 2202005 - WiFi sharing failed.
+   * @throws { BusinessError } 2202006 - Bluetooth sharing failed.
+   * @throws { BusinessError } 2202011 - Cannot get network sharing configuration.
+   * @syscap SystemCapability.Communication.NetManager.NetSharing
+   * @systemapi Hide this for inner system use.
+   * @since 20
+   * @arkts 1.2
+   */
+  function stopSharingWithCallback(type: SharingIfaceType, callback: AsyncCallback<void>): void;
+
+  /**
+   * Stop network sharing for given type.
+   * @permission ohos.permission.CONNECTIVITY_INTERNAL
+   * @param { SharingIfaceType } type - Enumeration of shareable interface types.
+   * @returns { Promise<void> } The promise returned by the function.
+   * @throws { BusinessError } 201 - Permission denied.
+   * @throws { BusinessError } 202 - Non-system applications use system APIs.
+   * @throws { BusinessError } 401 - Parameter error.
+   * @throws { BusinessError } 2200001 - Invalid parameter value.
+   * @throws { BusinessError } 2200002 - Failed to connect to the service.
+   * @throws { BusinessError } 2200003 - System internal error.
+   * @throws { BusinessError } 2202004 - Try to share an unavailable iface.
+   * @throws { BusinessError } 2202005 - WiFi sharing failed.
+   * @throws { BusinessError } 2202006 - Bluetooth sharing failed.
+   * @throws { BusinessError } 2202011 - Cannot get network sharing configuration.
+   * @syscap SystemCapability.Communication.NetManager.NetSharing
+   * @systemapi Hide this for inner system use.
+   * @since 20
+   * @arkts 1.2
+   */
+  function stopSharingReturnsPromise(type: SharingIfaceType): Promise<void>;
+
+  /**
+   * @arkts 1.2
+   */
+  overload stopSharing { stopSharingWithCallback, stopSharingReturnsPromise };
+
   /**
    * Obtains the number of downlink data bytes of the sharing network interfaces.
    * @permission ohos.permission.CONNECTIVITY_INTERNAL
@@ -205,8 +373,7 @@ declare namespace sharing {
    * @throws { BusinessError } 2200003 - System internal error.
    * @syscap SystemCapability.Communication.NetManager.NetSharing
    * @systemapi Hide this for inner system use.
-   * @since arkts {'1.1':'9','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 9
    */
   function getStatsRxBytes(callback: AsyncCallback<int>): void;
 
@@ -220,11 +387,47 @@ declare namespace sharing {
    * @throws { BusinessError } 2200003 - System internal error.
    * @syscap SystemCapability.Communication.NetManager.NetSharing
    * @systemapi Hide this for inner system use.
-   * @since arkts {'1.1':'9','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 9
    */
   function getStatsRxBytes(): Promise<int>;
 
+  /**
+   * Obtains the number of downlink data bytes of the sharing network interfaces.
+   * @permission ohos.permission.CONNECTIVITY_INTERNAL
+   * @param { AsyncCallback<int> } callback - Returns the number of downlink data bytes of
+   *     the sharing network interfaces.
+   * @throws { BusinessError } 201 - Permission denied.
+   * @throws { BusinessError } 202 - Non-system applications use system APIs.
+   * @throws { BusinessError } 401 - Parameter error.
+   * @throws { BusinessError } 2200002 - Failed to connect to the service.
+   * @throws { BusinessError } 2200003 - System internal error.
+   * @syscap SystemCapability.Communication.NetManager.NetSharing
+   * @systemapi Hide this for inner system use.
+   * @since 20
+   * @arkts 1.2
+   */
+  function getStatsRxBytesWithCallback(callback: AsyncCallback<int>): void;
+
+  /**
+   * Obtains the number of downlink data bytes of the sharing network interfaces.
+   * @permission ohos.permission.CONNECTIVITY_INTERNAL
+   * @returns { Promise<int> } The promise returned by the function.
+   * @throws { BusinessError } 201 - Permission denied.
+   * @throws { BusinessError } 202 - Non-system applications use system APIs.
+   * @throws { BusinessError } 2200002 - Failed to connect to the service.
+   * @throws { BusinessError } 2200003 - System internal error.
+   * @syscap SystemCapability.Communication.NetManager.NetSharing
+   * @systemapi Hide this for inner system use.
+   * @since 20
+   * @arkts 1.2
+   */
+  function getStatsRxBytesReturnsPromise(): Promise<int>;
+
+  /**
+   * @arkts 1.2
+   */
+  overload getStatsRxBytes { getStatsRxBytesWithCallback, getStatsRxBytesReturnsPromise };
+
   /**
    * Obtains the number of uplink data bytes of the sharing network interfaces.
    * @permission ohos.permission.CONNECTIVITY_INTERNAL
@@ -236,8 +439,7 @@ declare namespace sharing {
    * @throws { BusinessError } 2200003 - System internal error.
    * @syscap SystemCapability.Communication.NetManager.NetSharing
    * @systemapi Hide this for inner system use.
-   * @since arkts {'1.1':'9','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 9
    */
   function getStatsTxBytes(callback: AsyncCallback<int>): void;
 
@@ -251,11 +453,47 @@ declare namespace sharing {
    * @throws { BusinessError } 2200003 - System internal error.
    * @syscap SystemCapability.Communication.NetManager.NetSharing
    * @systemapi Hide this for inner system use.
-   * @since arkts {'1.1':'9','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 9
    */
   function getStatsTxBytes(): Promise<int>;
 
+  /**
+   * Obtains the number of uplink data bytes of the sharing network interfaces.
+   * @permission ohos.permission.CONNECTIVITY_INTERNAL
+   * @param { AsyncCallback<int> } callback - Returns the number of uplink data bytes of
+   *     the sharing network interfaces.
+   * @throws { BusinessError } 201 - Permission denied.
+   * @throws { BusinessError } 202 - Non-system applications use system APIs.
+   * @throws { BusinessError } 401 - Parameter error.
+   * @throws { BusinessError } 2200002 - Failed to connect to the service.
+   * @throws { BusinessError } 2200003 - System internal error.
+   * @syscap SystemCapability.Communication.NetManager.NetSharing
+   * @systemapi Hide this for inner system use.
+   * @since 20
+   * @arkts 1.2
+   */
+  function getStatsTxBytesWithCallback(callback: AsyncCallback<int>): void;
+
+  /**
+   * Obtains the number of uplink data bytes of the sharing network interfaces.
+   * @permission ohos.permission.CONNECTIVITY_INTERNAL
+   * @returns { Promise<int> } The promise returned by the function.
+   * @throws { BusinessError } 201 - Permission denied.
+   * @throws { BusinessError } 202 - Non-system applications use system APIs.
+   * @throws { BusinessError } 2200002 - Failed to connect to the service.
+   * @throws { BusinessError } 2200003 - System internal error.
+   * @syscap SystemCapability.Communication.NetManager.NetSharing
+   * @systemapi Hide this for inner system use.
+   * @since 20
+   * @arkts 1.2
+   */
+  function getStatsTxBytesReturnsPromise(): Promise<int>;
+
+  /**
+   * @arkts 1.2
+   */
+  overload getStatsTxBytes { getStatsTxBytesWithCallback, getStatsTxBytesReturnsPromise };
+
   /**
    * Obtains the number of total data bytes of the sharing network interfaces.
    * @permission ohos.permission.CONNECTIVITY_INTERNAL
@@ -267,8 +505,7 @@ declare namespace sharing {
    * @throws { BusinessError } 2200003 - System internal error.
    * @syscap SystemCapability.Communication.NetManager.NetSharing
    * @systemapi Hide this for inner system use.
-   * @since arkts {'1.1':'9','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 9
    */
   function getStatsTotalBytes(callback: AsyncCallback<int>): void;
 
@@ -282,11 +519,46 @@ declare namespace sharing {
    * @throws { BusinessError } 2200003 - System internal error.
    * @syscap SystemCapability.Communication.NetManager.NetSharing
    * @systemapi Hide this for inner system use.
-   * @since arkts {'1.1':'9','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 9
    */
   function getStatsTotalBytes(): Promise<int>;
 
+  /**
+   * Obtains the number of total data bytes of the sharing network interfaces.
+   * @permission ohos.permission.CONNECTIVITY_INTERNAL
+   * @param { AsyncCallback<int> } callback - Returns the number of total data bytes of the sharing network interfaces.
+   * @throws { BusinessError } 201 - Permission denied.
+   * @throws { BusinessError } 202 - Non-system applications use system APIs.
+   * @throws { BusinessError } 401 - Parameter error.
+   * @throws { BusinessError } 2200002 - Failed to connect to the service.
+   * @throws { BusinessError } 2200003 - System internal error.
+   * @syscap SystemCapability.Communication.NetManager.NetSharing
+   * @systemapi Hide this for inner system use.
+   * @since 20
+   * @arkts 1.2
+   */
+  function getStatsTotalBytesWithCallback(callback: AsyncCallback<int>): void;
+
+  /**
+   * Obtains the number of total data bytes of the sharing network interfaces.
+   * @permission ohos.permission.CONNECTIVITY_INTERNAL
+   * @returns { Promise<int> } The promise returned by the function.
+   * @throws { BusinessError } 201 - Permission denied.
+   * @throws { BusinessError } 202 - Non-system applications use system APIs.
+   * @throws { BusinessError } 2200002 - Failed to connect to the service.
+   * @throws { BusinessError } 2200003 - System internal error.
+   * @syscap SystemCapability.Communication.NetManager.NetSharing
+   * @systemapi Hide this for inner system use.
+   * @since 20
+   * @arkts 1.2
+   */
+  function getStatsTotalBytesReturnsPromise(): Promise<int>;
+
+  /**
+   * @arkts 1.2
+   */
+  overload getStatsTotalBytes { getStatsTotalBytesWithCallback, getStatsTotalBytesReturnsPromise };
+
   /**
    * Obtains the names of interfaces in each sharing state.
    * @permission ohos.permission.CONNECTIVITY_INTERNAL
@@ -300,8 +572,7 @@ declare namespace sharing {
    * @throws { BusinessError } 2200003 - System internal error.
    * @syscap SystemCapability.Communication.NetManager.NetSharing
    * @systemapi Hide this for inner system use.
-   * @since arkts {'1.1':'9','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 9
    */
   function getSharingIfaces(state: SharingIfaceState, callback: AsyncCallback<Array<string>>): void;
 
@@ -318,11 +589,51 @@ declare namespace sharing {
    * @throws { BusinessError } 2200003 - System internal error.
    * @syscap SystemCapability.Communication.NetManager.NetSharing
    * @systemapi Hide this for inner system use.
-   * @since arkts {'1.1':'9','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 9
    */
   function getSharingIfaces(state: SharingIfaceState): Promise<Array<string>>;
 
+  /**
+   * Obtains the names of interfaces in each sharing state.
+   * @permission ohos.permission.CONNECTIVITY_INTERNAL
+   * @param { SharingIfaceState } state - Is the network sharing state.
+   * @param { AsyncCallback<Array<string>> } callback - Returns an array of interface names that meet this status.
+   * @throws { BusinessError } 201 - Permission denied.
+   * @throws { BusinessError } 202 - Non-system applications use system APIs.
+   * @throws { BusinessError } 401 - Parameter error.
+   * @throws { BusinessError } 2200001 - Invalid parameter value.
+   * @throws { BusinessError } 2200002 - Failed to connect to the service.
+   * @throws { BusinessError } 2200003 - System internal error.
+   * @syscap SystemCapability.Communication.NetManager.NetSharing
+   * @systemapi Hide this for inner system use.
+   * @since 20
+   * @arkts 1.2
+   */
+  function getSharingIfacesWithCallback(state: SharingIfaceState, callback: AsyncCallback<Array<string>>): void;
+
+  /**
+   * Obtains the names of interfaces in each sharing state.
+   * @permission ohos.permission.CONNECTIVITY_INTERNAL
+   * @param { SharingIfaceState } state - Is the network sharing state.
+   * @returns { Promise<Array<string>> } The promise returned by the function.
+   * @throws { BusinessError } 201 - Permission denied.
+   * @throws { BusinessError } 202 - Non-system applications use system APIs.
+   * @throws { BusinessError } 401 - Parameter error.
+   * @throws { BusinessError } 2200001 - Invalid parameter value.
+   * @throws { BusinessError } 2200002 - Failed to connect to the service.
+   * @throws { BusinessError } 2200003 - System internal error.
+   * @syscap SystemCapability.Communication.NetManager.NetSharing
+   * @systemapi Hide this for inner system use.
+   * @since 20
+   * @arkts 1.2
+   */
+  function getSharingIfacesReturnsPromise(state: SharingIfaceState): Promise<Array<string>>;
+
+  /**
+   * @arkts 1.2
+   */
+  overload getSharingIfaces { getSharingIfacesWithCallback, getSharingIfacesReturnsPromise };
+
   /**
    * Obtains the network sharing state for given type.
    * @permission ohos.permission.CONNECTIVITY_INTERNAL
@@ -336,8 +647,7 @@ declare namespace sharing {
    * @throws { BusinessError } 2200003 - System internal error.
    * @syscap SystemCapability.Communication.NetManager.NetSharing
    * @systemapi Hide this for inner system use.
-   * @since arkts {'1.1':'9','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 9
    */
   function getSharingState(type: SharingIfaceType, callback: AsyncCallback<SharingIfaceState>): void;
 
@@ -354,11 +664,51 @@ declare namespace sharing {
    * @throws { BusinessError } 2200003 - System internal error.
    * @syscap SystemCapability.Communication.NetManager.NetSharing
    * @systemapi Hide this for inner system use.
-   * @since arkts {'1.1':'9','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 9
    */
   function getSharingState(type: SharingIfaceType): Promise<SharingIfaceState>;
 
+  /**
+   * Obtains the network sharing state for given type.
+   * @permission ohos.permission.CONNECTIVITY_INTERNAL
+   * @param { SharingIfaceType } type - Is the enumeration of shareable interface types.
+   * @param { AsyncCallback<SharingIfaceState> } callback - the callback of getSharingState. {@code SharingIfaceState}.
+   * @throws { BusinessError } 201 - Permission denied.
+   * @throws { BusinessError } 202 - Non-system applications use system APIs.
+   * @throws { BusinessError } 401 - Parameter error.
+   * @throws { BusinessError } 2200001 - Invalid parameter value.
+   * @throws { BusinessError } 2200002 - Failed to connect to the service.
+   * @throws { BusinessError } 2200003 - System internal error.
+   * @syscap SystemCapability.Communication.NetManager.NetSharing
+   * @systemapi Hide this for inner system use.
+   * @since 20
+   * @arkts 1.2
+   */
+  function getSharingStateWithCallback(type: SharingIfaceType, callback: AsyncCallback<SharingIfaceState>): void;
+
+  /**
+   * Obtains the network sharing state for given type.
+   * @permission ohos.permission.CONNECTIVITY_INTERNAL
+   * @param { SharingIfaceType } type - Is the enumeration of shareable interface types.
+   * @returns { Promise<SharingIfaceState> } The promise returned by the function.
+   * @throws { BusinessError } 201 - Permission denied.
+   * @throws { BusinessError } 202 - Non-system applications use system APIs.
+   * @throws { BusinessError } 401 - Parameter error.
+   * @throws { BusinessError } 2200001 - Invalid parameter value.
+   * @throws { BusinessError } 2200002 - Failed to connect to the service.
+   * @throws { BusinessError } 2200003 - System internal error.
+   * @syscap SystemCapability.Communication.NetManager.NetSharing
+   * @systemapi Hide this for inner system use.
+   * @since 20
+   * @arkts 1.2
+   */
+  function getSharingStateReturnsPromise(type: SharingIfaceType): Promise<SharingIfaceState>;
+
+  /**
+   * @arkts 1.2
+   */
+  overload getSharingState { getSharingStateWithCallback, getSharingStateReturnsPromise };
+
   /**
    * Get a list regular expression that defines any interface that can support network sharing.
    * @permission ohos.permission.CONNECTIVITY_INTERNAL
@@ -372,8 +722,7 @@ declare namespace sharing {
    * @throws { BusinessError } 2200003 - System internal error.
    * @syscap SystemCapability.Communication.NetManager.NetSharing
    * @systemapi Hide this for inner system use.
-   * @since arkts {'1.1':'9','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 9
    */
   function getSharableRegexes(type: SharingIfaceType, callback: AsyncCallback<Array<string>>): void;
 
@@ -390,11 +739,51 @@ declare namespace sharing {
    * @throws { BusinessError } 2200003 - System internal error.
    * @syscap SystemCapability.Communication.NetManager.NetSharing
    * @systemapi Hide this for inner system use.
-   * @since arkts {'1.1':'9','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 9
    */
   function getSharableRegexes(type: SharingIfaceType): Promise<Array<string>>;
 
+  /**
+   * Get a list regular expression that defines any interface that can support network sharing.
+   * @permission ohos.permission.CONNECTIVITY_INTERNAL
+   * @param { SharingIfaceType } type - Is the enumeration of shareable interface types.
+   * @param { AsyncCallback<Array<string>> } callback - the callback of getSharableRegexes.
+   * @throws { BusinessError } 201 - Permission denied.
+   * @throws { BusinessError } 202 - Non-system applications use system APIs.
+   * @throws { BusinessError } 401 - Parameter error.
+   * @throws { BusinessError } 2200001 - Invalid parameter value.
+   * @throws { BusinessError } 2200002 - Failed to connect to the service.
+   * @throws { BusinessError } 2200003 - System internal error.
+   * @syscap SystemCapability.Communication.NetManager.NetSharing
+   * @systemapi Hide this for inner system use.
+   * @since 20
+   * @arkts 1.2
+   */
+  function getSharableRegexesWtihCallback(type: SharingIfaceType, callback: AsyncCallback<Array<string>>): void;
+
+  /**
+   * Get a list regular expression that defines any interface that can support network sharing.
+   * @permission ohos.permission.CONNECTIVITY_INTERNAL
+   * @param { SharingIfaceType } type - Is the enumeration of shareable interface types.
+   * @returns { Promise<Array<string>> } The promise returned by the function. 
+   * @throws { BusinessError } 201 - Permission denied.
+   * @throws { BusinessError } 202 - Non-system applications use system APIs.
+   * @throws { BusinessError } 401 - Parameter error.
+   * @throws { BusinessError } 2200001 - Invalid parameter value.
+   * @throws { BusinessError } 2200002 - Failed to connect to the service.
+   * @throws { BusinessError } 2200003 - System internal error.
+   * @syscap SystemCapability.Communication.NetManager.NetSharing
+   * @systemapi Hide this for inner system use.
+   * @since 20
+   * @arkts 1.2
+   */
+  function getSharableRegexesReturnsPromise(type: SharingIfaceType): Promise<Array<string>>;
+
+  /**
+   * @arkts 1.2
+   */
+  overload getSharableRegexes { getSharableRegexesWtihCallback, getSharableRegexesReturnsPromise };
+
   /**
    * Register a callback for the global network sharing state change.
    * @permission ohos.permission.CONNECTIVITY_INTERNAL
@@ -405,11 +794,25 @@ declare namespace sharing {
    * @throws { BusinessError } 401 - Parameter error.
    * @syscap SystemCapability.Communication.NetManager.NetSharing
    * @systemapi Hide this for inner system use.
-   * @since arkts {'1.1':'9','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 9
    */
   function on(type: 'sharingStateChange', callback: Callback<boolean>): void;
 
+  /**
+   * Register a callback for the global network sharing state change.
+   * @permission ohos.permission.CONNECTIVITY_INTERNAL
+   * @param { 'sharingStateChange' } type - Indicates Event name.
+   * @param { Callback<boolean> } callback - the callback function that returns the status.
+   * @throws { BusinessError } 201 - Permission denied.
+   * @throws { BusinessError } 202 - Non-system applications use system APIs.
+   * @throws { BusinessError } 401 - Parameter error.
+   * @syscap SystemCapability.Communication.NetManager.NetSharing
+   * @systemapi Hide this for inner system use.
+   * @since 20
+   * @arkts 1.2
+   */
+  function onSharingStateChangeWithCallback(type: 'sharingStateChange', callback: Callback<boolean>): void;
+
   /**
    * Unregister a callback for the global network sharing state change.
    * @permission ohos.permission.CONNECTIVITY_INTERNAL
@@ -420,11 +823,25 @@ declare namespace sharing {
    * @throws { BusinessError } 401 - Parameter error.
    * @syscap SystemCapability.Communication.NetManager.NetSharing
    * @systemapi Hide this for inner system use.
-   * @since arkts {'1.1':'9','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 9
    */
   function off(type: 'sharingStateChange', callback?: Callback<boolean>): void;
 
+  /**
+   * Unregister a callback for the global network sharing state change.
+   * @permission ohos.permission.CONNECTIVITY_INTERNAL
+   * @param { 'sharingStateChange' } type Indicates Event name.
+   * @param { Callback<boolean> } callback - the callback function that returns the status.
+   * @throws { BusinessError } 201 - Permission denied.
+   * @throws { BusinessError } 202 - Non-system applications use system APIs.
+   * @throws { BusinessError } 401 - Parameter error.
+   * @syscap SystemCapability.Communication.NetManager.NetSharing
+   * @systemapi Hide this for inner system use.
+   * @since 20
+   * @arkts 1.2
+   */
+  function offSharingStateChangeWithOptionalCallback(type: 'sharingStateChange', callback?: Callback<boolean>): void;
+
   /**
    * Register a callback for the interface network sharing state change.
    * @permission ohos.permission.CONNECTIVITY_INTERNAL
@@ -447,11 +864,26 @@ declare namespace sharing {
    * @throws { BusinessError } 401 - Parameter error.
    * @syscap SystemCapability.Communication.NetManager.NetSharing
    * @systemapi Hide this for inner system use.
-   * @since arkts {'1.1':'11','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 11
    */
   function on(type: 'interfaceSharingStateChange', callback: Callback<InterfaceSharingStateInfo>): void;
 
+  /**
+   * Register a callback for the interface network sharing state change.
+   * @permission ohos.permission.CONNECTIVITY_INTERNAL
+   * @param { 'interfaceSharingStateChange' } type - Indicates Event name.
+   * @param { Callback<InterfaceSharingStateInfo> } callback - the callback function that returns the message.
+   * @throws { BusinessError } 201 - Permission denied.
+   * @throws { BusinessError } 202 - Non-system applications use system APIs.
+   * @throws { BusinessError } 401 - Parameter error.
+   * @syscap SystemCapability.Communication.NetManager.NetSharing
+   * @systemapi Hide this for inner system use.
+   * @since 20
+   * @arkts 1.2
+   */
+  function onInterfaceSharingStateChangeWithCallback(
+    type: 'interfaceSharingStateChange', callback: Callback<InterfaceSharingStateInfo>): void;
+
   /**
    * Unregister a callback for the interface network sharing state change.
    * @permission ohos.permission.CONNECTIVITY_INTERNAL
@@ -474,11 +906,26 @@ declare namespace sharing {
    * @throws { BusinessError } 401 - Parameter error.
    * @syscap SystemCapability.Communication.NetManager.NetSharing
    * @systemapi Hide this for inner system use.
-   * @since arkts {'1.1':'11','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 11
    */
   function off(type: 'interfaceSharingStateChange', callback?: Callback<InterfaceSharingStateInfo>): void;
 
+  /**
+   * Unregister a callback for the interface network sharing state change.
+   * @permission ohos.permission.CONNECTIVITY_INTERNAL
+   * @param { 'interfaceSharingStateChange' } type - Indicates Event name.
+   * @param { Callback<InterfaceSharingStateInfo> } callback - the callback function that returns the message.
+   * @throws { BusinessError } 201 - Permission denied.
+   * @throws { BusinessError } 202 - Non-system applications use system APIs.
+   * @throws { BusinessError } 401 - Parameter error.
+   * @syscap SystemCapability.Communication.NetManager.NetSharing
+   * @systemapi Hide this for inner system use.
+   * @since 20
+   * @arkts 1.2
+   */
+  function offInterfaceSharingStateChangeWithOptionalCallback(
+    type: 'interfaceSharingStateChange', callback?: Callback<InterfaceSharingStateInfo>): void;
+
   /**
    * Register a callback for the sharing upstream network change.
    * @permission ohos.permission.CONNECTIVITY_INTERNAL
@@ -489,11 +936,33 @@ declare namespace sharing {
    * @throws { BusinessError } 401 - Parameter error.
    * @syscap SystemCapability.Communication.NetManager.NetSharing
    * @systemapi Hide this for inner system use.
-   * @since arkts {'1.1':'9','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 9
    */
   function on(type: 'sharingUpstreamChange', callback: Callback<NetHandle>): void;
 
+  /**
+   * Register a callback for the sharing upstream network change.
+   * @permission ohos.permission.CONNECTIVITY_INTERNAL
+   * @param { 'sharingUpstreamChange' } type - Indicates Event name.
+   * @param { Callback<NetHandle> } callback - the callback function that returns the network handle.
+   * @throws { BusinessError } 201 - Permission denied.
+   * @throws { BusinessError } 202 - Non-system applications use system APIs.
+   * @throws { BusinessError } 401 - Parameter error.
+   * @syscap SystemCapability.Communication.NetManager.NetSharing
+   * @systemapi Hide this for inner system use.
+   * @since 20
+   * @arkts 1.2
+   */
+  function onSharingUpstreamChangeWithCallback(type: 'sharingUpstreamChange', callback: Callback<NetHandle>): void;
+
+  /**
+   * @arkts 1.2
+   */
+  overload on {
+    onSharingStateChangeWithCallback,
+    onInterfaceSharingStateChangeWithCallback,
+    onSharingUpstreamChangeWithCallback };
+
   /**
    * Unregister a callback for the sharing upstream network change.
    * @permission ohos.permission.CONNECTIVITY_INTERNAL
@@ -504,11 +973,34 @@ declare namespace sharing {
    * @throws { BusinessError } 401 - Parameter error.
    * @syscap SystemCapability.Communication.NetManager.NetSharing
    * @systemapi Hide this for inner system use.
-   * @since arkts {'1.1':'9','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 9
    */
   function off(type: 'sharingUpstreamChange', callback?: Callback<NetHandle>): void;
 
+  /**
+   * Unregister a callback for the sharing upstream network change.
+   * @permission ohos.permission.CONNECTIVITY_INTERNAL
+   * @param { 'sharingUpstreamChange' } type - Indicates Event name.
+   * @param { Callback<NetHandle> } callback - the callback function that returns the network handle.
+   * @throws { BusinessError } 201 - Permission denied.
+   * @throws { BusinessError } 202 - Non-system applications use system APIs.
+   * @throws { BusinessError } 401 - Parameter error.
+   * @syscap SystemCapability.Communication.NetManager.NetSharing
+   * @systemapi Hide this for inner system use.
+   * @since 20
+   * @arkts 1.2
+   */
+  function offSharingUpstreamChangeWithOptionalCallback(
+    type: 'sharingUpstreamChange', callback?: Callback<NetHandle>): void;
+
+  /**
+   * @arkts 1.2
+   */
+  overload off {
+    offSharingStateChangeWithOptionalCallback,
+    offInterfaceSharingStateChangeWithOptionalCallback,
+    offSharingUpstreamChangeWithOptionalCallback };
+
   /**
    * Enumerates the network sharing states of an NIC.
    * @enum {int}
diff --git a/api/@ohos.net.statistics.d.ts b/api/@ohos.net.statistics.d.ts
index 84fed33d04044631d44acc2b8085fbbfac8e201b..18798b9d738fe59f170583cf6e7812c6e74fe3fd 100644
--- a/api/@ohos.net.statistics.d.ts
+++ b/api/@ohos.net.statistics.d.ts
@@ -55,8 +55,7 @@ declare namespace statistics {
    * @throws { BusinessError } 2103011 - Failed to create a system map.
    * @throws { BusinessError } 2103012 - Failed to obtain the NIC name.
    * @syscap SystemCapability.Communication.NetManager.Core
-   * @since arkts {'1.1':'10','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 10
    */
   function getIfaceRxBytes(nic: string, callback: AsyncCallback<long>): void;
 
@@ -71,11 +70,47 @@ declare namespace statistics {
    * @throws { BusinessError } 2103011 - Failed to create a system map.
    * @throws { BusinessError } 2103012 - Failed to obtain the NIC name.
    * @syscap SystemCapability.Communication.NetManager.Core
-   * @since arkts {'1.1':'10','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 10
    */
   function getIfaceRxBytes(nic: string): Promise<long>;
 
+  /**
+   * Queries the data traffic (including all TCP and UDP data packets) received through a specified NIC.
+   * @param { string } nic - Network interface card.
+   * @param { AsyncCallback<long> } callback - Returns the data traffic received through the specified NIC.
+   * @throws { BusinessError } 401 - Parameter error.
+   * @throws { BusinessError } 2100002 - Failed to connect to the service.
+   * @throws { BusinessError } 2100003 - System internal error.
+   * @throws { BusinessError } 2103005 - Failed to read the system map.
+   * @throws { BusinessError } 2103011 - Failed to create a system map.
+   * @throws { BusinessError } 2103012 - Failed to obtain the NIC name.
+   * @syscap SystemCapability.Communication.NetManager.Core
+   * @since 20
+   * @arkts 1.2
+   */
+  function getIfaceRxBytesWithCallback(nic: string, callback: AsyncCallback<long>): void;
+
+  /**
+   * Queries the data traffic (including all TCP and UDP data packets) received through a specified NIC.
+   * @param { string } nic - Network interface card.
+   * @returns { Promise<long> } The promise returned by the function.
+   * @throws { BusinessError } 401 - Parameter error.
+   * @throws { BusinessError } 2100002 - Failed to connect to the service.
+   * @throws { BusinessError } 2100003 - System internal error.
+   * @throws { BusinessError } 2103005 - Failed to read the system map.
+   * @throws { BusinessError } 2103011 - Failed to create a system map.
+   * @throws { BusinessError } 2103012 - Failed to obtain the NIC name.
+   * @syscap SystemCapability.Communication.NetManager.Core
+   * @since 20
+   * @arkts 1.2
+   */
+  function getIfaceRxBytesReturnsPromise(nic: string): Promise<long>;
+
+  /**
+   * @arkts 1.2
+   */
+  overload getIfaceRxBytes { getIfaceRxBytesWithCallback, getIfaceRxBytesReturnsPromise };
+
   /**
    * Queries the data traffic (including all TCP and UDP data packets) sent through a specified NIC.
    * @param { string } nic - Network interface card.
@@ -87,8 +122,7 @@ declare namespace statistics {
    * @throws { BusinessError } 2103011 - Failed to create a system map.
    * @throws { BusinessError } 2103012 - Failed to obtain the NIC name.
    * @syscap SystemCapability.Communication.NetManager.Core
-   * @since arkts {'1.1':'10','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 10
    */
   function getIfaceTxBytes(nic: string, callback: AsyncCallback<long>): void;
 
@@ -103,11 +137,47 @@ declare namespace statistics {
    * @throws { BusinessError } 2103011 - Failed to create a system map.
    * @throws { BusinessError } 2103012 - Failed to obtain the NIC name.
    * @syscap SystemCapability.Communication.NetManager.Core
-   * @since arkts {'1.1':'10','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 10
    */
   function getIfaceTxBytes(nic: string): Promise<long>;
 
+  /**
+   * Queries the data traffic (including all TCP and UDP data packets) sent through a specified NIC.
+   * @param { string } nic - Network interface card.
+   * @param { AsyncCallback<long> } callback - Returns the data traffic sent through the specified NIC.
+   * @throws { BusinessError } 401 - Parameter error.
+   * @throws { BusinessError } 2100002 - Failed to connect to the service.
+   * @throws { BusinessError } 2100003 - System internal error.
+   * @throws { BusinessError } 2103005 - Failed to read the system map.
+   * @throws { BusinessError } 2103011 - Failed to create a system map.
+   * @throws { BusinessError } 2103012 - Failed to obtain the NIC name.
+   * @syscap SystemCapability.Communication.NetManager.Core
+   * @since 20
+   * @arkts 1.2
+   */
+  function getIfaceTxBytesWithCallback(nic: string, callback: AsyncCallback<long>): void;
+
+  /**
+   * Queries the data traffic (including all TCP and UDP data packets) sent through a specified NIC.
+   * @param { string } nic - Network interface card.
+   * @returns { Promise<long> } The promise returned by the function.
+   * @throws { BusinessError } 401 - Parameter error.
+   * @throws { BusinessError } 2100002 - Failed to connect to the service.
+   * @throws { BusinessError } 2100003 - System internal error.
+   * @throws { BusinessError } 2103005 - Failed to read the system map.
+   * @throws { BusinessError } 2103011 - Failed to create a system map.
+   * @throws { BusinessError } 2103012 - Failed to obtain the NIC name.
+   * @syscap SystemCapability.Communication.NetManager.Core
+   * @since 20
+   * @arkts 1.2
+   */
+  function getIfaceTxBytesReturnsPromise(nic: string): Promise<long>;
+
+  /**
+   * @arkts 1.2
+   */
+  overload getIfaceTxBytes { getIfaceTxBytesWithCallback, getIfaceTxBytesReturnsPromise };
+
   /**
    * Queries the data traffic (including all TCP and UDP data packets) received through the cellular network.
    * @param { AsyncCallback<long> } callback - Returns the data traffic received through the cellular network.
@@ -117,8 +187,7 @@ declare namespace statistics {
    * @throws { BusinessError } 2103011 - Failed to create a system map.
    * @throws { BusinessError } 2103012 - Failed to obtain the NIC name.
    * @syscap SystemCapability.Communication.NetManager.Core
-   * @since arkts {'1.1':'10','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 10
    */
   function getCellularRxBytes(callback: AsyncCallback<long>): void;
 
@@ -131,11 +200,43 @@ declare namespace statistics {
    * @throws { BusinessError } 2103011 - Failed to create a system map.
    * @throws { BusinessError } 2103012 - Failed to obtain the NIC name.
    * @syscap SystemCapability.Communication.NetManager.Core
-   * @since arkts {'1.1':'10','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 10
    */
   function getCellularRxBytes(): Promise<long>;
 
+  /**
+   * Queries the data traffic (including all TCP and UDP data packets) received through the cellular network.
+   * @param { AsyncCallback<long> } callback - Returns the data traffic received through the cellular network.
+   * @throws { BusinessError } 2100002 - Failed to connect to the service.
+   * @throws { BusinessError } 2100003 - System internal error.
+   * @throws { BusinessError } 2103005 - Failed to read the system map.
+   * @throws { BusinessError } 2103011 - Failed to create a system map.
+   * @throws { BusinessError } 2103012 - Failed to obtain the NIC name.
+   * @syscap SystemCapability.Communication.NetManager.Core
+   * @since 20
+   * @arkts 1.2
+   */
+  function getCellularRxBytesWithCallback(callback: AsyncCallback<long>): void;
+
+  /**
+   * Queries the data traffic (including all TCP and UDP data packets) received through the cellular network.
+   * @returns { Promise<long> } The promise returned by the function.
+   * @throws { BusinessError } 2100002 - Failed to connect to the service.
+   * @throws { BusinessError } 2100003 - System internal error.
+   * @throws { BusinessError } 2103005 - Failed to read the system map.
+   * @throws { BusinessError } 2103011 - Failed to create a system map.
+   * @throws { BusinessError } 2103012 - Failed to obtain the NIC name.
+   * @syscap SystemCapability.Communication.NetManager.Core
+   * @since 20
+   * @arkts 1.2
+   */
+  function getCellularRxBytesReturnsPromise(): Promise<long>;
+
+  /**
+   * @arkts 1.2
+   */
+  overload getCellularRxBytes { getCellularRxBytesWithCallback, getCellularRxBytesReturnsPromise };
+
   /**
    * Queries the data traffic (including all TCP and UDP data packets) sent through the cellular network.
    * @param { AsyncCallback<long> } callback - Returns the data traffic sent through the cellular network.
@@ -145,8 +246,7 @@ declare namespace statistics {
    * @throws { BusinessError } 2103011 - Failed to create a system map.
    * @throws { BusinessError } 2103012 - Failed to obtain the NIC name.
    * @syscap SystemCapability.Communication.NetManager.Core
-   * @since arkts {'1.1':'10','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 10
    */
   function getCellularTxBytes(callback: AsyncCallback<long>): void;
 
@@ -159,11 +259,43 @@ declare namespace statistics {
    * @throws { BusinessError } 2103011 - Failed to create a system map.
    * @throws { BusinessError } 2103012 - Failed to obtain the NIC name.
    * @syscap SystemCapability.Communication.NetManager.Core
-   * @since arkts {'1.1':'10','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 10
    */
   function getCellularTxBytes(): Promise<long>;
 
+  /**
+   * Queries the data traffic (including all TCP and UDP data packets) sent through the cellular network.
+   * @param { AsyncCallback<long> } callback - Returns the data traffic sent through the cellular network.
+   * @throws { BusinessError } 2100002 - Failed to connect to the service.
+   * @throws { BusinessError } 2100003 - System internal error.
+   * @throws { BusinessError } 2103005 - Failed to read the system map.
+   * @throws { BusinessError } 2103011 - Failed to create a system map.
+   * @throws { BusinessError } 2103012 - Failed to obtain the NIC name.
+   * @syscap SystemCapability.Communication.NetManager.Core
+   * @since 20
+   * @arkts 1.2
+   */
+  function getCellularTxBytesWithCallback(callback: AsyncCallback<long>): void;
+
+  /**
+   * Queries the data traffic (including all TCP and UDP data packets) sent through the cellular network.
+   * @returns { Promise<long> } The promise returned by the function.
+   * @throws { BusinessError } 2100002 - Failed to connect to the service.
+   * @throws { BusinessError } 2100003 - System internal error.
+   * @throws { BusinessError } 2103005 - Failed to read the system map.
+   * @throws { BusinessError } 2103011 - Failed to create a system map.
+   * @throws { BusinessError } 2103012 - Failed to obtain the NIC name.
+   * @syscap SystemCapability.Communication.NetManager.Core
+   * @since 20
+   * @arkts 1.2
+   */
+  function getCellularTxBytesReturnsPromise(): Promise<long>;
+
+  /**
+   * @arkts 1.2
+   */
+  overload getCellularTxBytes { getCellularTxBytesWithCallback, getCellularTxBytesReturnsPromise };
+
   /**
    * Queries the data traffic (including all TCP and UDP data packets) received through all NICs.
    * @param { AsyncCallback<int> } callback - Returns the data traffic received through all NICs.
@@ -183,8 +315,7 @@ declare namespace statistics {
    * @throws { BusinessError } 2103011 - Failed to create a system map.
    * @syscap SystemCapability.Communication.NetManager.Core
    * @atomicservice
-   * @since arkts {'1.1':'15','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 15
    */
   function getAllRxBytes(callback: AsyncCallback<long>): void;
 
@@ -207,11 +338,41 @@ declare namespace statistics {
    * @throws { BusinessError } 2103011 - Failed to create a system map.
    * @syscap SystemCapability.Communication.NetManager.Core
    * @atomicservice
-   * @since arkts {'1.1':'15','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 15
    */
   function getAllRxBytes(): Promise<long>;
 
+  /**
+   * Queries the data traffic (including all TCP and UDP data packets) received through all NICs.
+   * @param { AsyncCallback<long> } callback - Returns the data traffic received through all NICs.
+   * @throws { BusinessError } 2100002 - Failed to connect to the service.
+   * @throws { BusinessError } 2100003 - System internal error.
+   * @throws { BusinessError } 2103005 - Failed to read the system map.
+   * @throws { BusinessError } 2103011 - Failed to create a system map.
+   * @syscap SystemCapability.Communication.NetManager.Core
+   * @since 20
+   * @arkts 1.2
+   */
+  function getAllRxBytesWithCallback(callback: AsyncCallback<long>): void;
+
+  /**
+   * Queries the data traffic (including all TCP and UDP data packets) received through all NICs.
+   * @returns { Promise<long> } The promise returned by the function.
+   * @throws { BusinessError } 2100002 - Failed to connect to the service.
+   * @throws { BusinessError } 2100003 - System internal error.
+   * @throws { BusinessError } 2103005 - Failed to read the system map.
+   * @throws { BusinessError } 2103011 - Failed to create a system map.
+   * @syscap SystemCapability.Communication.NetManager.Core
+   * @since 20
+   * @arkts 1.2
+   */
+  function getAllRxBytesReturnsPromise(): Promise<long>;
+
+  /**
+   * @arkts 1.2
+   */
+  overload getAllRxBytes { getAllRxBytesWithCallback, getAllRxBytesReturnsPromise };
+
   /**
    * Queries the data traffic (including all TCP and UDP data packets) sent through all NICs.
    * @param { AsyncCallback<long> } callback - Returns the data traffic sent through all NICs.
@@ -231,8 +392,7 @@ declare namespace statistics {
    * @throws { BusinessError } 2103011 - Failed to create a system map.
    * @syscap SystemCapability.Communication.NetManager.Core
    * @atomicservice
-   * @since arkts {'1.1':'15','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 15
    */
   function getAllTxBytes(callback: AsyncCallback<long>): void;
 
@@ -255,11 +415,41 @@ declare namespace statistics {
    * @throws { BusinessError } 2103011 - Failed to create a system map.
    * @syscap SystemCapability.Communication.NetManager.Core
    * @atomicservice
-   * @since arkts {'1.1':'15','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 15
    */
   function getAllTxBytes(): Promise<long>;
 
+  /**
+   * Queries the data traffic (including all TCP and UDP data packets) sent through all NICs.
+   * @param { AsyncCallback<long> } callback - Returns the data traffic sent through all NICs.
+   * @throws { BusinessError } 2100002 - Failed to connect to the service.
+   * @throws { BusinessError } 2100003 - System internal error.
+   * @throws { BusinessError } 2103005 - Failed to read the system map.
+   * @throws { BusinessError } 2103011 - Failed to create a system map.
+   * @syscap SystemCapability.Communication.NetManager.Core
+   * @since 20
+   * @arkts 1.2
+   */
+  function getAllTxBytesWithCallback(callback: AsyncCallback<long>): void;
+
+  /**
+   * Queries the data traffic (including all TCP and UDP data packets) sent through all NICs.
+   * @returns { Promise<long> } The promise returned by the function.
+   * @throws { BusinessError } 2100002 - Failed to connect to the service.
+   * @throws { BusinessError } 2100003 - System internal error.
+   * @throws { BusinessError } 2103005 - Failed to read the system map.
+   * @throws { BusinessError } 2103011 - Failed to create a system map.
+   * @syscap SystemCapability.Communication.NetManager.Core
+   * @since 20
+   * @arkts 1.2
+   */
+  function getAllTxBytesReturnsPromise(): Promise<long>;
+
+  /**
+   * @arkts 1.2
+   */
+  overload getAllTxBytes { getAllTxBytesWithCallback, getAllTxBytesReturnsPromise };
+
   /**
    * Queries the data traffic (including all TCP and UDP data packets) received by a specified application.
    * @param { int } uid - Indicates the process ID of the application.
@@ -270,8 +460,7 @@ declare namespace statistics {
    * @throws { BusinessError } 2103005 - Failed to read the system map.
    * @throws { BusinessError } 2103011 - Failed to create a system map.
    * @syscap SystemCapability.Communication.NetManager.Core
-   * @since arkts {'1.1':'10','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 15
    */
   function getUidRxBytes(uid: int, callback: AsyncCallback<long>): void;
 
@@ -285,11 +474,45 @@ declare namespace statistics {
    * @throws { BusinessError } 2103005 - Failed to read the system map.
    * @throws { BusinessError } 2103011 - Failed to create a system map.
    * @syscap SystemCapability.Communication.NetManager.Core
-   * @since arkts {'1.1':'10','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 15
    */
   function getUidRxBytes(uid: int): Promise<long>;
 
+  /**
+   * Queries the data traffic (including all TCP and UDP data packets) received by a specified application.
+   * @param { int } uid - Indicates the process ID of the application.
+   * @param { AsyncCallback<long> } callback - Returns the data traffic received by the specified application.
+   * @throws { BusinessError } 401 - Parameter error.
+   * @throws { BusinessError } 2100002 - Failed to connect to the service.
+   * @throws { BusinessError } 2100003 - System internal error.
+   * @throws { BusinessError } 2103005 - Failed to read the system map.
+   * @throws { BusinessError } 2103011 - Failed to create a system map.
+   * @syscap SystemCapability.Communication.NetManager.Core
+   * @since 20
+   * @arkts 1.2
+   */
+  function getUidRxBytesWithCallback(uid: int, callback: AsyncCallback<long>): void;
+
+  /**
+   * Queries the data traffic (including all TCP and UDP data packets) received by a specified application.
+   * @param { int } uid - Indicates the process ID of the application.
+   * @returns { Promise<long> } The promise returned by the function.
+   * @throws { BusinessError } 401 - Parameter error.
+   * @throws { BusinessError } 2100002 - Failed to connect to the service.
+   * @throws { BusinessError } 2100003 - System internal error.
+   * @throws { BusinessError } 2103005 - Failed to read the system map.
+   * @throws { BusinessError } 2103011 - Failed to create a system map.
+   * @syscap SystemCapability.Communication.NetManager.Core
+   * @since 20
+   * @arkts 1.2
+   */
+  function getUidRxBytesReturnsPromise(uid: int): Promise<long>;
+
+  /**
+   * @arkts 1.2
+   */
+  overload getUidRxBytes { getUidRxBytesWithCallback, getUidRxBytesReturnsPromise };
+
   /**
    * Queries the data traffic (including all TCP and UDP data packets) sent by a specified application.
    * @param { int } uid - Indicates the process ID of the application.
@@ -300,8 +523,7 @@ declare namespace statistics {
    * @throws { BusinessError } 2103005 - Failed to read the system map.
    * @throws { BusinessError } 2103011 - Failed to create a system map.
    * @syscap SystemCapability.Communication.NetManager.Core
-   * @since arkts {'1.1':'10','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 15
    */
   function getUidTxBytes(uid: int, callback: AsyncCallback<long>): void;
   
@@ -315,11 +537,45 @@ declare namespace statistics {
    * @throws { BusinessError } 2103005 - Failed to read the system map.
    * @throws { BusinessError } 2103011 - Failed to create a system map.
    * @syscap SystemCapability.Communication.NetManager.Core
-   * @since arkts {'1.1':'10','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 15
    */
   function getUidTxBytes(uid: int): Promise<long>;
 
+  /**
+   * Queries the data traffic (including all TCP and UDP data packets) sent by a specified application.
+   * @param { int } uid - Indicates the process ID of the application.
+   * @param { AsyncCallback<long> } callback - Returns the data traffic sent by the specified application.
+   * @throws { BusinessError } 401 - Parameter error.
+   * @throws { BusinessError } 2100002 - Failed to connect to the service.
+   * @throws { BusinessError } 2100003 - System internal error.
+   * @throws { BusinessError } 2103005 - Failed to read the system map.
+   * @throws { BusinessError } 2103011 - Failed to create a system map.
+   * @syscap SystemCapability.Communication.NetManager.Core
+   * @since 20
+   * @arkts 1.2
+   */
+  function getUidTxBytesWithCallback(uid: int, callback: AsyncCallback<long>): void;
+  
+  /**
+   * Queries the data traffic (including all TCP and UDP data packets) sent by a specified application.
+   * @param { int } uid - Indicates the process ID of the application.
+   * @returns { Promise<long> } The promise returned by the function.
+   * @throws { BusinessError } 401 - Parameter error.
+   * @throws { BusinessError } 2100002 - Failed to connect to the service.
+   * @throws { BusinessError } 2100003 - System internal error.
+   * @throws { BusinessError } 2103005 - Failed to read the system map.
+   * @throws { BusinessError } 2103011 - Failed to create a system map.
+   * @syscap SystemCapability.Communication.NetManager.Core
+   * @since 20
+   * @arkts 1.2
+   */
+  function getUidTxBytesReturnsPromise(uid: int): Promise<long>;
+
+  /**
+   * @arkts 1.2
+   */
+  overload getUidTxBytes { getUidTxBytesWithCallback, getUidTxBytesReturnsPromise };
+
   /**
    * Register notifications of network traffic updates.
    * @permission ohos.permission.GET_NETWORK_STATS
@@ -465,8 +721,7 @@ declare namespace statistics {
    * @throws { BusinessError } 2100002 - Failed to connect to the service.
    * @throws { BusinessError } 2100003 - System internal error.
    * @syscap SystemCapability.Communication.NetManager.Core
-   * @since arkts {'1.1':'11','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 11
    */
   function getSockfdRxBytes(sockfd: int, callback: AsyncCallback<long>): void;
 
@@ -479,11 +734,43 @@ declare namespace statistics {
    * @throws { BusinessError } 2100002 - Failed to connect to the service.
    * @throws { BusinessError } 2100003 - System internal error.
    * @syscap SystemCapability.Communication.NetManager.Core
-   * @since arkts {'1.1':'11','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 11
    */
   function getSockfdRxBytes(sockfd: int): Promise<long>;
 
+  /**
+   * Queries the data traffic (including all TCP and UDP data packets) received through a specified sockfd.
+   * @param { int } sockfd - Indicates the file descriptor of the given socket.
+   * @param { AsyncCallback<long> } callback - Returns the data traffic bytes received by the specified sockfd.
+   * @throws { BusinessError } 401 - Parameter error.
+   * @throws { BusinessError } 2100001 - Invalid parameter value.
+   * @throws { BusinessError } 2100002 - Failed to connect to the service.
+   * @throws { BusinessError } 2100003 - System internal error.
+   * @syscap SystemCapability.Communication.NetManager.Core
+   * @since 20
+   * @arkts 1.2
+   */
+  function getSockfdRxBytesWithCallback(sockfd: int, callback: AsyncCallback<long>): void;
+
+  /**
+   * Queries the data traffic (including all TCP and UDP data packets) received through a specified sockfd.
+   * @param { int } sockfd - Indicates the file descriptor of the given socket.
+   * @returns { Promise<long> } Returns the data traffic bytes received by the specified sockfd.
+   * @throws { BusinessError } 401 - Parameter error.
+   * @throws { BusinessError } 2100001 - Invalid parameter value.
+   * @throws { BusinessError } 2100002 - Failed to connect to the service.
+   * @throws { BusinessError } 2100003 - System internal error.
+   * @syscap SystemCapability.Communication.NetManager.Core
+   * @since 20
+   * @arkts 1.2
+   */
+  function getSockfdRxBytesReturnsPromise(sockfd: int): Promise<long>;
+
+  /**
+   * @arkts 1.2
+   */
+  overload getSockfdRxBytes { getSockfdRxBytesWithCallback, getSockfdRxBytesReturnsPromise };
+
   /**
    * Queries the data traffic (including all TCP and UDP data packets) sent through a specified sockfd.
    * @param { int } sockfd - Indicates the file descriptor of the given socket.
@@ -493,8 +780,7 @@ declare namespace statistics {
    * @throws { BusinessError } 2100002 - Failed to connect to the service.
    * @throws { BusinessError } 2100003 - System internal error.
    * @syscap SystemCapability.Communication.NetManager.Core
-   * @since arkts {'1.1':'11','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 11
    */
   function getSockfdTxBytes(sockfd: int, callback: AsyncCallback<long>): void;
 
@@ -507,11 +793,43 @@ declare namespace statistics {
    * @throws { BusinessError } 2100002 - Failed to connect to the service.
    * @throws { BusinessError } 2100003 - System internal error.
    * @syscap SystemCapability.Communication.NetManager.Core
-   * @since arkts {'1.1':'11','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 11
    */
   function getSockfdTxBytes(sockfd: int): Promise<long>;
 
+  /**
+   * Queries the data traffic (including all TCP and UDP data packets) sent through a specified sockfd.
+   * @param { int } sockfd - Indicates the file descriptor of the given socket.
+   * @param { AsyncCallback<long> } callback - Returns the data traffic bytes sent by the specified sockfd.
+   * @throws { BusinessError } 401 - Parameter error.
+   * @throws { BusinessError } 2100001 - Invalid parameter value
+   * @throws { BusinessError } 2100002 - Failed to connect to the service.
+   * @throws { BusinessError } 2100003 - System internal error.
+   * @syscap SystemCapability.Communication.NetManager.Core
+   * @since 20
+   * @arkts 1.2
+   */
+  function getSockfdTxBytesWithCallback(sockfd: int, callback: AsyncCallback<long>): void;
+
+  /**
+   * Queries the data traffic (including all TCP and UDP data packets) sent through a specified sockfd.
+   * @param { int } sockfd - Indicates the file descriptor of the given socket.
+   * @returns { Promise<long> } Returns the data traffic bytes sent by the specified sockfd.
+   * @throws { BusinessError } 401 - Parameter error.
+   * @throws { BusinessError } 2100001 - Invalid parameter value
+   * @throws { BusinessError } 2100002 - Failed to connect to the service.
+   * @throws { BusinessError } 2100003 - System internal error.
+   * @syscap SystemCapability.Communication.NetManager.Core
+   * @since 20
+   * @arkts 1.2
+   */
+  function getSockfdTxBytesReturnsPromise(sockfd: int): Promise<long>;
+
+  /**
+   * @arkts 1.2
+   */
+  overload getSockfdTxBytes { getSockfdTxBytesWithCallback, getSockfdTxBytesReturnsPromise };
+
   /**
    * Parameters for obtaining detailed information on network interface traffic usage.
    * @interface IfaceInfo
diff --git a/api/@ohos.net.webSocket.d.ts b/api/@ohos.net.webSocket.d.ts
index e582a5f2edc446444a307ec222ad33fd60c302cd..d0f5079767ee322584d44221282d3701ab82c87b 100644
--- a/api/@ohos.net.webSocket.d.ts
+++ b/api/@ohos.net.webSocket.d.ts
@@ -464,8 +464,7 @@ declare namespace webSocket {
      * @syscap SystemCapability.Communication.NetStack
      * @crossplatform
      * @atomicservice
-     * @since arkts {'1.1':'12','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 12
      */
     connect(url: string, callback: AsyncCallback<boolean>): void;
 
@@ -523,8 +522,7 @@ declare namespace webSocket {
      * @syscap SystemCapability.Communication.NetStack
      * @crossplatform
      * @atomicservice
-     * @since arkts {'1.1':'12','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 12
      */
     connect(url: string, options: WebSocketRequestOptions, callback: AsyncCallback<boolean>): void;
 
@@ -582,11 +580,72 @@ declare namespace webSocket {
      * @syscap SystemCapability.Communication.NetStack
      * @crossplatform
      * @atomicservice
-     * @since arkts {'1.1':'12','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 12
      */
     connect(url: string, options?: WebSocketRequestOptions): Promise<boolean>;
 
+    /**
+     * Initiates a WebSocket request to establish a WebSocket connection to a given URL.
+     * @permission ohos.permission.INTERNET
+     * @param { string } url URL for establishing a WebSocket connection.
+     * @param { AsyncCallback<boolean> } callback - the callback of connect.
+     * @throws { BusinessError } 201 - Permission denied.
+     * @throws { BusinessError } 401 - Parameter error.
+     * @throws { BusinessError } 2302001 - Websocket url error.
+     * @throws { BusinessError } 2302002 - Websocket certificate file does not exist.
+     * @throws { BusinessError } 2302003 - Websocket connection already exists.
+     * @throws { BusinessError } 2302998 - It is not allowed to access this domain.
+     * @throws { BusinessError } 2302999 - Internal error.
+     * @syscap SystemCapability.Communication.NetStack
+     * @crossplatform
+     * @atomicservice
+     * @since 20
+     * @arkts 1.2
+     */
+    connectWithCallback(url: string, callback: AsyncCallback<boolean>): void;
+
+    /**
+     * Initiates a WebSocket request to establish a WebSocket connection to a given URL.
+     * @permission ohos.permission.INTERNET
+     * @param { string } url URL for establishing a WebSocket connection.
+     * @param { WebSocketRequestOptions } options - Optional parameters {@link WebSocketRequestOptions}.
+     * @param { AsyncCallback<boolean> } callback - the callback of connect.
+     * @throws { BusinessError } 201 - Permission denied.
+     * @throws { BusinessError } 401 - Parameter error.
+     * @throws { BusinessError } 2302001 - Websocket url error.
+     * @throws { BusinessError } 2302002 - Websocket certificate file does not exist.
+     * @throws { BusinessError } 2302003 - Websocket connection already exists.
+     * @throws { BusinessError } 2302998 - It is not allowed to access this domain.
+     * @throws { BusinessError } 2302999 - Internal error.
+     * @syscap SystemCapability.Communication.NetStack
+     * @since 20
+     * @arkts 1.2
+     */
+    connectWithOptionsCallback(url: string, options: WebSocketRequestOptions, callback: AsyncCallback<boolean>): void;
+
+    /**
+     * Initiates a WebSocket request to establish a WebSocket connection to a given URL.
+     * @permission ohos.permission.INTERNET
+     * @param { string } url URL for establishing a WebSocket connection.
+     * @param { WebSocketRequestOptions } options - Optional parameters {@link WebSocketRequestOptions}.
+     * @returns { Promise<boolean> } The promise returned by the function.
+     * @throws { BusinessError } 201 - Permission denied.
+     * @throws { BusinessError } 2302001 - Websocket url error.
+     * @throws { BusinessError } 2302002 - Websocket certificate file does not exist.
+     * @throws { BusinessError } 2302003 - Websocket connection already exists.
+     * @throws { BusinessError } 2302998 - It is not allowed to access this domain.
+     * @throws { BusinessError } 2302999 - Internal error.
+     * @syscap SystemCapability.Communication.NetStack
+     * @since 20
+     * @arkts 1.2
+     */
+    connectWithOptionsReturnsPromise(url: string, options?: WebSocketRequestOptions): Promise<boolean>;
+
+    /**
+     * @arkts 1.2
+     */
+    overload connect { connectWithCallback, connectWithOptionsCallback, connectWithOptionsReturnsPromise };
+
     /**
      * Sends data through a WebSocket connection.
      * @permission ohos.permission.INTERNET
@@ -618,8 +677,7 @@ declare namespace webSocket {
      * @syscap SystemCapability.Communication.NetStack
      * @crossplatform
      * @atomicservice
-     * @since arkts {'1.1':'11','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 11
      */
     send(data: string | ArrayBuffer, callback: AsyncCallback<boolean>): void;
 
@@ -654,11 +712,41 @@ declare namespace webSocket {
      * @syscap SystemCapability.Communication.NetStack
      * @crossplatform
      * @atomicservice
-     * @since arkts {'1.1':'11','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 11
      */
     send(data: string | ArrayBuffer): Promise<boolean>;
 
+    /**
+     * Sends data through a WebSocket connection.
+     * @permission ohos.permission.INTERNET
+     * @param { string | ArrayBuffer } data - Data to send. It can be a string(API 6) or an ArrayBuffer(API 8).
+     * @param { AsyncCallback<boolean> } callback - the callback of send.
+     * @throws { BusinessError } 201 - Permission denied.
+     * @throws { BusinessError } 401 - Parameter error.
+     * @syscap SystemCapability.Communication.NetStack
+     * @since 20
+     * @arkts 1.2
+     */
+    sendWithCallback(data: string | ArrayBuffer, callback: AsyncCallback<boolean>): void;
+
+    /**
+     * Sends data through a WebSocket connection.
+     * @permission ohos.permission.INTERNET
+     * @param { string | ArrayBuffer } data - Data to send. It can be a string(API 6) or an ArrayBuffer(API 8).
+     * @returns { Promise<boolean> } The promise returned by the function.
+     * @throws { BusinessError } 201 - Permission denied.
+     * @throws { BusinessError } 401 - Parameter error.
+     * @syscap SystemCapability.Communication.NetStack
+     * @since 20
+     * @arkts 1.2
+     */
+    sendReturnsPromise(data: string | ArrayBuffer): Promise<boolean>;
+
+    /**
+     * @arkts 1.2
+     */
+    overload send { sendWithCallback, sendReturnsPromise };
+
     /**
      * Closes a WebSocket connection.
      * @permission ohos.permission.INTERNET
diff --git a/api/@ohos.telephony.data.d.ts b/api/@ohos.telephony.data.d.ts
index dfb0635eba4753b5aa6a0709259985dd9d1678ae..5e7023c1596b92bec68caea91402f8833b1bec92 100644
--- a/api/@ohos.telephony.data.d.ts
+++ b/api/@ohos.telephony.data.d.ts
@@ -136,8 +136,7 @@ declare namespace data {
    * <li>{@code DataConnectState#DATA_STATE_SUSPENDED}
    * </ul>
    * @syscap SystemCapability.Telephony.CellularData
-   * @since arkts {'1.1':'7','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 7
    */
   function getCellularDataState(callback: AsyncCallback<DataConnectState>): void;
 
@@ -153,11 +152,50 @@ declare namespace data {
    * <li>{@code DataConnectState#DATA_STATE_SUSPENDED}
    * </ul>
    * @syscap SystemCapability.Telephony.CellularData
-   * @since arkts {'1.1':'7','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 7
    */
   function getCellularDataState(): Promise<DataConnectState>;
 
+  /**
+   * Obtain the connection state of the PS domain.
+   *
+   * @param { AsyncCallback<DataConnectState> } callback - Indicates the callback for getting the connection state,
+   * which can be any of the following:
+   * <ul>
+   * <li>{@code DataConnectState#DATA_STATE_UNKNOWN}
+   * <li>{@code DataConnectState#DATA_STATE_DISCONNECTED}
+   * <li>{@code DataConnectState#DATA_STATE_CONNECTING}
+   * <li>{@code DataConnectState#DATA_STATE_CONNECTED}
+   * <li>{@code DataConnectState#DATA_STATE_SUSPENDED}
+   * </ul>
+   * @syscap SystemCapability.Telephony.CellularData
+   * @since 20
+   * @arkts 1.2
+   */
+  function getCellularDataStateWithCallback(callback: AsyncCallback<DataConnectState>): void;
+
+  /**
+   * Obtain the connection state of the PS domain.
+   *
+   * @returns { Promise<DataConnectState> } Returns the connection state, which can be any of the following:
+   *     <ul>
+   *     <li>{@code DataConnectState#DATA_STATE_UNKNOWN}
+   *     <li>{@code DataConnectState#DATA_STATE_DISCONNECTED}
+   *     <li>{@code DataConnectState#DATA_STATE_CONNECTING}
+   *     <li>{@code DataConnectState#DATA_STATE_CONNECTED}
+   *     <li>{@code DataConnectState#DATA_STATE_SUSPENDED}
+   *     </ul>
+   * @syscap SystemCapability.Telephony.CellularData
+   * @since 20
+   * @arkts 1.2
+   */
+  function getCellularDataStateReturnsPromise(): Promise<DataConnectState>;
+
+  /**
+   * @arkts 1.2
+   */
+  overload getCellularDataState { getCellularDataStateWithCallback, getCellularDataStateReturnsPromise };
+
   /**
    * Check whether cellular data services are enabled.
    *
@@ -172,8 +210,7 @@ declare namespace data {
    * @throws { BusinessError } 8300003 - System internal error.
    * @throws { BusinessError } 8300999 - Internal error.
    * @syscap SystemCapability.Telephony.CellularData
-   * @since arkts {'1.1':'7','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 7
    */
   function isCellularDataEnabled(callback: AsyncCallback<boolean>): void;
 
@@ -188,11 +225,50 @@ declare namespace data {
    * @throws { BusinessError } 8300003 - System internal error.
    * @throws { BusinessError } 8300999 - Internal error.
    * @syscap SystemCapability.Telephony.CellularData
-   * @since arkts {'1.1':'7','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 7
    */
   function isCellularDataEnabled(): Promise<boolean>;
 
+  /**
+   * Check whether cellular data services are enabled.
+   *
+   * @permission ohos.permission.GET_NETWORK_INFO
+   * @param { AsyncCallback<boolean> } callback - Indicates the callback for checking whether cellular data services
+   * are enabled. Returns {@code true} if cellular data services are enabled; returns {@code false} otherwise.
+   * @throws { BusinessError } 201 - Permission denied.
+   * @throws { BusinessError } 401 - Parameter error. Possible causes: 1. Mandatory parameters are left unspecified.
+   *     2. Incorrect parameter types.
+   * @throws { BusinessError } 8300001 - Invalid parameter value.
+   * @throws { BusinessError } 8300002 - Service connection failed.
+   * @throws { BusinessError } 8300003 - System internal error.
+   * @throws { BusinessError } 8300999 - Internal error.
+   * @syscap SystemCapability.Telephony.CellularData
+   * @since 20
+   * @arkts 1.2
+   */
+  function isCellularDataEnabledWithCallback(callback: AsyncCallback<boolean>): void;
+
+  /**
+   * Check whether cellular data services are enabled.
+   *
+   * @permission ohos.permission.GET_NETWORK_INFO
+   * @returns { Promise<boolean> } Returns {@code true} if cellular data services are enabled.
+   * Returns {@code false} otherwise.
+   * @throws { BusinessError } 201 - Permission denied.
+   * @throws { BusinessError } 8300002 - Service connection failed.
+   * @throws { BusinessError } 8300003 - System internal error.
+   * @throws { BusinessError } 8300999 - Internal error.
+   * @syscap SystemCapability.Telephony.CellularData
+   * @since 20
+   * @arkts 1.2
+   */
+  function isCellularDataEnabledReturnsPromise(): Promise<boolean>;
+
+  /**
+   * @arkts 1.2
+   */
+  overload isCellularDataEnabled { isCellularDataEnabledWithCallback, isCellularDataEnabledReturnsPromise };
+
   /**
    * Check whether cellular data services are enabled.
    *
@@ -223,8 +299,7 @@ declare namespace data {
    * @throws { BusinessError } 8300999 - Internal error.
    * @syscap SystemCapability.Telephony.CellularData
    * @systemapi Hide this for inner system use.
-   * @since arkts {'1.1':'7','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 7
    */
   function enableCellularData(callback: AsyncCallback<void>): void;
 
@@ -240,11 +315,52 @@ declare namespace data {
    * @throws { BusinessError } 8300999 - Internal error.
    * @syscap SystemCapability.Telephony.CellularData
    * @systemapi Hide this for inner system use.
-   * @since arkts {'1.1':'7','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 7
    */
   function enableCellularData(): Promise<void>;
 
+  /**
+   * Enable cellular data services.
+   *
+   * @permission ohos.permission.SET_TELEPHONY_STATE
+   * @param { AsyncCallback<void> } callback - The callback of enableCellularData.
+   * @throws { BusinessError } 201 - Permission denied.
+   * @throws { BusinessError } 202 - Non-system applications use system APIs.
+   * @throws { BusinessError } 401 - Parameter error. Possible causes: 1. Mandatory parameters are left unspecified.
+   *     2. Incorrect parameter types.
+   * @throws { BusinessError } 8300001 - Invalid parameter value.
+   * @throws { BusinessError } 8300002 - Service connection failed.
+   * @throws { BusinessError } 8300003 - System internal error.
+   * @throws { BusinessError } 8300999 - Internal error.
+   * @syscap SystemCapability.Telephony.CellularData
+   * @systemapi Hide this for inner system use.
+   * @since 20
+   * @arkts 1.2
+   */
+  function enableCellularDataWithCallback(callback: AsyncCallback<void>): void;
+
+  /**
+   * Enable cellular data services.
+   *
+   * @permission ohos.permission.SET_TELEPHONY_STATE
+   * @returns { Promise<void> } The promise returned by the enableCellularData.
+   * @throws { BusinessError } 201 - Permission denied.
+   * @throws { BusinessError } 202 - Non-system applications use system APIs.
+   * @throws { BusinessError } 8300002 - Service connection failed.
+   * @throws { BusinessError } 8300003 - System internal error.
+   * @throws { BusinessError } 8300999 - Internal error.
+   * @syscap SystemCapability.Telephony.CellularData
+   * @systemapi Hide this for inner system use.
+   * @since 20
+   * @arkts 1.2
+   */
+  function enableCellularDataReturnsPromise(): Promise<void>;
+
+  /**
+   * @arkts 1.2
+   */
+  overload enableCellularData { enableCellularDataWithCallback, enableCellularDataReturnsPromise };
+
   /**
    * Disable cellular data services.
    *
@@ -260,8 +376,7 @@ declare namespace data {
    * @throws { BusinessError } 8300999 - Internal error.
    * @syscap SystemCapability.Telephony.CellularData
    * @systemapi Hide this for inner system use.
-   * @since arkts {'1.1':'7','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 7
    */
   function disableCellularData(callback: AsyncCallback<void>): void;
 
@@ -277,11 +392,52 @@ declare namespace data {
    * @throws { BusinessError } 8300999 - Internal error.
    * @syscap SystemCapability.Telephony.CellularData
    * @systemapi Hide this for inner system use.
-   * @since arkts {'1.1':'7','1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 7
    */
   function disableCellularData(): Promise<void>;
 
+  /**
+   * Disable cellular data services.
+   *
+   * @permission ohos.permission.SET_TELEPHONY_STATE
+   * @param { AsyncCallback<void> } callback - The callback of disableCellularData.
+   * @throws { BusinessError } 201 - Permission denied.
+   * @throws { BusinessError } 202 - Non-system applications use system APIs.
+   * @throws { BusinessError } 401 - Parameter error. Possible causes: 1. Mandatory parameters are left unspecified.
+   *     2. Incorrect parameter types.
+   * @throws { BusinessError } 8300001 - Invalid parameter value.
+   * @throws { BusinessError } 8300002 - Service connection failed.
+   * @throws { BusinessError } 8300003 - System internal error.
+   * @throws { BusinessError } 8300999 - Internal error.
+   * @syscap SystemCapability.Telephony.CellularData
+   * @systemapi Hide this for inner system use.
+   * @since 20
+   * @arkts 1.2
+   */
+  function disableCellularDataWithCallback(callback: AsyncCallback<void>): void;
+
+  /**
+   * Disable cellular data services.
+   *
+   * @permission ohos.permission.SET_TELEPHONY_STATE
+   * @returns { Promise<void> } The promise returned by the disableCellularData.
+   * @throws { BusinessError } 201 - Permission denied.
+   * @throws { BusinessError } 202 - Non-system applications use system APIs.
+   * @throws { BusinessError } 8300002 - Service connection failed.
+   * @throws { BusinessError } 8300003 - System internal error.
+   * @throws { BusinessError } 8300999 - Internal error.
+   * @syscap SystemCapability.Telephony.CellularData
+   * @systemapi Hide this for inner system use.
+   * @since 20
+   * @arkts 1.2
+   */
+  function disableCellularDataReturnsPromise(): Promise<void>;
+
+  /**
+   * @arkts 1.2
+   */
+  overload disableCellularData { disableCellularDataWithCallback, disableCellularDataReturnsPromise };
+
   /**
    * Check whether roaming is enabled for cellular data services.
    *