diff --git a/setting/setting/src/main/cpp/main_ability_slice.cpp b/setting/setting/src/main/cpp/main_ability_slice.cpp
index f7962ee0ebbea39ca88b03bd4d0188c58df672b9..8bdcdb5422865b0a90951ba450596b05668efcc0 100755
--- a/setting/setting/src/main/cpp/main_ability_slice.cpp
+++ b/setting/setting/src/main/cpp/main_ability_slice.cpp
@@ -271,15 +271,13 @@ void MainAbilitySlice::SetAboutButtonView(void)
     buttonView->Add(lablelFontAbout);
 
     char buff[62];
-    char* gDV = GetDisplayVersion();
+    const char* gDV = GetDisplayVersion();
     int err = sprintf_s(buff, sizeof(buff), "系统版本: %s", gDV);
     if (err < 0) {
         printf("[ERROR]sprintf_s failed, err = %d\n", err);
-        free(gDV);
         gDV = nullptr;
         return;
     }
-    free(gDV);
     setAboutTest(buttonView, ABOUT_BUTTON_TEXT_SYSTEM_X, ABOUT_BUTTON_TEXT_SYSTEM_Y, buff);
 
     err = memset_s(buff, sizeof(buff), 0, sizeof(buff));
@@ -287,15 +285,13 @@ void MainAbilitySlice::SetAboutButtonView(void)
         printf("[ERROR]memset_s failed, err = %d\n", err);
         return;
     }
-    char* gPT = GetProductType();
+    const char* gPT = GetDeviceType();
     err = sprintf_s(buff, sizeof(buff), "设备名称: %s", gPT);
     if (err < 0) {
         printf("[ERROR]sprintf_s failed, err = %d\n", err);
-        free(gPT);
         gPT = nullptr;
         return;
     }
-    free(gPT);
     setAboutTest(buttonView, ABOUT_BUTTON_TEXT_DEVICE_X, ABOUT_BUTTON_TEXT_DEVICE_Y, buff);
 
     UIImageView* imageView = new UIImageView();
diff --git a/setting/setting/src/main/cpp/setting_about_ability_slice.cpp b/setting/setting/src/main/cpp/setting_about_ability_slice.cpp
index 4f6499e6d2406680e1a083152c4218e032f41323..089a9bd75bb6bfbf339680bb06da816a94bf2143 100755
--- a/setting/setting/src/main/cpp/setting_about_ability_slice.cpp
+++ b/setting/setting/src/main/cpp/setting_about_ability_slice.cpp
@@ -36,7 +36,6 @@ SettingAboutAbilitySlice::~SettingAboutAbilitySlice()
     }
     for (int count = 0; count < SCROLL_ITEM_NUM; count++) {
         if (!itemInfo_[count][1]) {
-            free(itemInfo_[count][1]);
             itemInfo_[count][1] = nullptr;
         }
     }
@@ -54,7 +53,7 @@ void SettingAboutAbilitySlice::SetButtonListener()
 void SettingAboutAbilitySlice::SetItemInfo()
 {
     itemInfo_[0][0] = (char*) "设备名称"; // 0
-    itemInfo_[0][1] = GetProductType(); // 0
+    itemInfo_[0][1] = GetDeviceType(); // 0
     itemInfo_[1][0] = (char*) "厂家信息"; // 1
     itemInfo_[1][1] = GetManufacture(); // 1
     itemInfo_[2][0] = (char*) "品牌信息"; // 2
@@ -64,7 +63,7 @@ void SettingAboutAbilitySlice::SetItemInfo()
     itemInfo_[4][0] = (char*) "设备序列号"; // 4
     itemInfo_[4][1] = GetSerial(); // 4
     itemInfo_[5][0] = (char*) "操作系统名"; // 5
-    itemInfo_[5][1] = GetOsName(); // 5
+    itemInfo_[5][1] = GetOSFullName(); // 5
     itemInfo_[6][0] = (char*) "软件版本号"; // 6
     itemInfo_[6][1] = GetDisplayVersion(); // 6
     itemInfo_[7][0] = (char*) "BootLoader版本号"; // 7
diff --git a/setting/setting/src/main/cpp/setting_about_ability_slice.h b/setting/setting/src/main/cpp/setting_about_ability_slice.h
index 54d70c97eae814de6e824c5245d311e3b2c257d4..eafddbefe1a66ecc466f2197aa5a7aaf99414129 100755
--- a/setting/setting/src/main/cpp/setting_about_ability_slice.h
+++ b/setting/setting/src/main/cpp/setting_about_ability_slice.h
@@ -58,7 +58,7 @@ private:
     RootView* rootView_;
     EventListener *buttonBackListener_;
     constexpr static int SCROLL_ITEM_NUM = 9;
-    char *itemInfo_[SCROLL_ITEM_NUM][2];
+    const char *itemInfo_[SCROLL_ITEM_NUM][2];
     constexpr static int ITEM_X = 0;
     constexpr static int ITEM_INFO_X = 465;
     constexpr static int ITEM_INFO_Y = 36;