diff --git a/interfaces/innerkits/appverify/include/common/hap_byte_buffer.h b/interfaces/innerkits/appverify/include/common/hap_byte_buffer.h
index 44ec9a561a4e17486b092fa96e5eccb73b71647c..77b141b9996866797198628e465b1a3ca3277fe3 100644
--- a/interfaces/innerkits/appverify/include/common/hap_byte_buffer.h
+++ b/interfaces/innerkits/appverify/include/common/hap_byte_buffer.h
@@ -59,7 +59,6 @@ public:
     DLL_EXPORT void Slice();
     DLL_EXPORT int32_t Remaining() const;
     DLL_EXPORT bool HasRemaining() const;
-    DLL_EXPORT bool CopyPartialBuffer(const HapByteBuffer& other, int32_t len);
     DLL_EXPORT void Clear();
     DLL_EXPORT bool IsEqual(const HapByteBuffer& other);
     DLL_EXPORT bool IsEqual(const std::string& other);
@@ -72,9 +71,9 @@ private:
     static const int32_t MAX_PRINT_LENGTH;
     static const int32_t HEX_PRINT_LENGTH;
     std::unique_ptr<char[]> buffer;
-    int32_t position;
-    int32_t limit;
-    int32_t capacity;
+    int32_t position = 0;
+    int32_t limit = 0;
+    int32_t capacity = 0;
 };
 } // namespace Verify
 } // namespace Security
diff --git a/interfaces/innerkits/appverify/include/common/random_access_file.h b/interfaces/innerkits/appverify/include/common/random_access_file.h
index ada93b2bd2c14c300d8a7d48638a557fd35e4947..8e67076eaf4703e612dde160c6e0d906811c246d 100644
--- a/interfaces/innerkits/appverify/include/common/random_access_file.h
+++ b/interfaces/innerkits/appverify/include/common/random_access_file.h
@@ -24,8 +24,8 @@ namespace Security {
 namespace Verify {
 struct MmapInfo {
     long long mmapPosition;
-    int32_t readMoreLen;
-    int32_t mmapSize;
+    int32_t readMoreLen = 0;
+    int32_t mmapSize = 0;
     char* mapAddr;
 };
 
@@ -44,7 +44,7 @@ private:
     bool CheckLittleEndian();
     static const int32_t FILE_OPEN_FAIL_ERROR_NUM;
     static int32_t memoryPageSize;
-    int32_t fd;
+    int32_t fd = 0;
     long long fileLength;
 };
 } // namespace Verify
diff --git a/interfaces/innerkits/appverify/include/init/trusted_source_manager.h b/interfaces/innerkits/appverify/include/init/trusted_source_manager.h
index ee5aa18209a6e0db2ac6ee4760a44013a252b73e..22f693f20b1edcdebf87172839c8e096759da2ef 100644
--- a/interfaces/innerkits/appverify/include/init/trusted_source_manager.h
+++ b/interfaces/innerkits/appverify/include/init/trusted_source_manager.h
@@ -33,7 +33,7 @@ struct HapAppSourceInfo {
     std::string profileSigningCertificate;
     std::string profileDebugSigningCertificate;
     std::string issuer;
-    int32_t maxCertsPath;
+    int32_t maxCertsPath = 0;
     StringVec critialcalCertExtension;
 };
 
diff --git a/interfaces/innerkits/appverify/include/init/trusted_ticket_manager.h b/interfaces/innerkits/appverify/include/init/trusted_ticket_manager.h
index d77da42b6ef00f5cc4d98d0bf785fd97ee55996b..b09b5cf61e8fd88144fe774681bc42b7fbb447a1 100644
--- a/interfaces/innerkits/appverify/include/init/trusted_ticket_manager.h
+++ b/interfaces/innerkits/appverify/include/init/trusted_ticket_manager.h
@@ -30,7 +30,7 @@ struct HapTicketSourceInfo {
     std::string sourceName;
     std::string ticketSigningCert;
     std::string issuer;
-    int32_t maxCertsPath;
+    int32_t maxCertsPath = 0;
     StringVec critialcalCertExtension;
 };
 
diff --git a/interfaces/innerkits/appverify/include/interfaces/hap_verify_result.h b/interfaces/innerkits/appverify/include/interfaces/hap_verify_result.h
index 193f401e5695aafce9415e8795a9045d15d88e3b..b793e837b1bfa47f9d35dd64b3852ac097bf6350 100644
--- a/interfaces/innerkits/appverify/include/interfaces/hap_verify_result.h
+++ b/interfaces/innerkits/appverify/include/interfaces/hap_verify_result.h
@@ -55,7 +55,7 @@ enum GetOptionalBlockResultCode {
 };
 
 struct OptionalBlock {
-    int32_t optionalType;
+    int32_t optionalType = 0;
     HapByteBuffer optionalBlockValue;
 };
 
@@ -80,7 +80,7 @@ private:
     DLL_EXPORT int32_t GetBlockFromOptionalBlocks(int32_t blockType, std::string& block) const;
 
 private:
-    int32_t version;
+    int32_t version = 0;
     std::vector<std::string> publicKeys;
     std::vector<std::string> signatures;
     HapByteBuffer pkcs7SignBlock;
diff --git a/interfaces/innerkits/appverify/include/provision/provision_info.h b/interfaces/innerkits/appverify/include/provision/provision_info.h
index f55798fe249c1abc33fbedb5355b4e78a352c278..1ddcd0857b43aad4e28d057c56de3b38439f6982 100644
--- a/interfaces/innerkits/appverify/include/provision/provision_info.h
+++ b/interfaces/innerkits/appverify/include/provision/provision_info.h
@@ -64,8 +64,8 @@ struct DebugInfo {
 };
 
 struct Validity {
-    int64_t notBefore;
-    int64_t notAfter;
+    int64_t notBefore = 0;
+    int64_t notAfter = 0;
 };
 
 struct Metadata {
diff --git a/interfaces/innerkits/appverify/include/util/hap_signing_block_utils.h b/interfaces/innerkits/appverify/include/util/hap_signing_block_utils.h
index 8b3d156a9a2889caf4cd1afc210a7adfcdc11361..13ed7e83a2fd730d8be6784c6ae9cc80d02c02b9 100644
--- a/interfaces/innerkits/appverify/include/util/hap_signing_block_utils.h
+++ b/interfaces/innerkits/appverify/include/util/hap_signing_block_utils.h
@@ -40,17 +40,17 @@ enum HapBlobType {
 };
 
 struct HapSignBlockHead {
-    int32_t version;
-    int32_t blockCount;
+    int32_t version = 0;
+    int32_t blockCount = 0;
     long long hapSignBlockSize;
     long long hapSignBlockMagicLo;
     long long hapSignBlockMagicHi;
 };
 
 struct HapSubSignBlockHead {
-    uint32_t type;
-    uint32_t length;
-    uint32_t offset;
+    uint32_t type = 0;
+    uint32_t length = 0;
+    uint32_t offset = 0;
 };
 
 class HapSigningBlockUtils {
diff --git a/interfaces/innerkits/appverify/include/util/pkcs7_context.h b/interfaces/innerkits/appverify/include/util/pkcs7_context.h
index ce86b381bef48ae9e039178097079b09e9551eed..5b26d52dd9e15f8e5470268c3a34fffc74502e76 100644
--- a/interfaces/innerkits/appverify/include/util/pkcs7_context.h
+++ b/interfaces/innerkits/appverify/include/util/pkcs7_context.h
@@ -32,7 +32,7 @@ using Pkcs7CertChains = std::vector<CertChain>;
 
 struct Pkcs7Context {
     bool needWriteCrl;
-    int32_t digestAlgorithm;
+    int32_t digestAlgorithm = 0;
     MatchingResult matchResult;
     std::string certIssuer;
     PKCS7* p7;
diff --git a/interfaces/innerkits/appverify/include/util/signature_info.h b/interfaces/innerkits/appverify/include/util/signature_info.h
index d35de7da6d9d706ec20e38758f21d1b6f492ee6d..0ebfd01e15c72078e028d18ff0645aa205763c3f 100644
--- a/interfaces/innerkits/appverify/include/util/signature_info.h
+++ b/interfaces/innerkits/appverify/include/util/signature_info.h
@@ -30,7 +30,7 @@ struct SignatureInfo {
     long long hapEocdOffset;
     HapByteBuffer hapEocd;
     std::vector<OptionalBlock> optionBlocks;
-    int32_t version;
+    int32_t version = 0;
 };
 } // namespace Verify
 } // namespace Security
diff --git a/interfaces/innerkits/appverify/src/common/hap_byte_buffer.cpp b/interfaces/innerkits/appverify/src/common/hap_byte_buffer.cpp
index 9ff07f89a2b6fb992f19b6d0730f0c882eb09f59..aa37b823f70d1600d8f8765a0ffb8dcd6ab6148c 100644
--- a/interfaces/innerkits/appverify/src/common/hap_byte_buffer.cpp
+++ b/interfaces/innerkits/appverify/src/common/hap_byte_buffer.cpp
@@ -279,28 +279,6 @@ bool HapByteBuffer::HasRemaining() const
     return position < limit;
 }
 
-bool HapByteBuffer::CopyPartialBuffer(const HapByteBuffer& other, int32_t len)
-{
-    int32_t readableDataLen = other.Remaining();
-    if (readableDataLen < len) {
-        HAPVERIFY_LOG_ERROR(LABEL, "readableDataLen %{public}d less than len %{public}d", readableDataLen, len);
-        return false;
-    }
-
-    buffer.reset(nullptr);
-    buffer = std::make_unique<char[]>(len);
-    if (buffer != nullptr && other.GetBufferPtr() != nullptr) {
-        capacity = len;
-        limit = capacity;
-        if (memcpy_s(buffer.get(), capacity, (other.GetBufferPtr() + other.GetPosition()), len) != EOK) {
-            HAPVERIFY_LOG_ERROR(LABEL, "memcpy_s failed");
-            return false;
-        }
-    }
-    position = 0;
-    return true;
-}
-
 void HapByteBuffer::Clear()
 {
     position = 0;
diff --git a/interfaces/innerkits/appverify/src/init/json_parser_utils.cpp b/interfaces/innerkits/appverify/src/init/json_parser_utils.cpp
index ec3352dee0ec16979ee2444ff94b51d97a780862..e0b5e3116a23bc87c047c666640255c252a8e481 100644
--- a/interfaces/innerkits/appverify/src/init/json_parser_utils.cpp
+++ b/interfaces/innerkits/appverify/src/init/json_parser_utils.cpp
@@ -41,7 +41,7 @@ bool JsonParserUtils::ReadTrustedRootCAFromJson(nlohmann::json& jsonObj,
 
     std::string jsonStr = buf.str();
     jsonObj = nlohmann::json::parse(jsonStr, nullptr, false);
-    if (!jsonObj.is_structured()) {
+    if (jsonObj.is_discarded() || (!jsonObj.is_structured())) {
         error += "parse jsonStr failed";
         return false;
     }
diff --git a/interfaces/innerkits/appverify/src/provision/provision_verify.cpp b/interfaces/innerkits/appverify/src/provision/provision_verify.cpp
index 8f1cd826f53a77aafb5070ffbf197ab7ef31a091..df34c51955a718e0849e69c344563077d49231a5 100644
--- a/interfaces/innerkits/appverify/src/provision/provision_verify.cpp
+++ b/interfaces/innerkits/appverify/src/provision/provision_verify.cpp
@@ -250,7 +250,7 @@ void from_json(const json& obj, ProvisionInfo& out)
 AppProvisionVerifyResult ParseProvision(const string& appProvision, ProvisionInfo& info)
 {
     json obj = json::parse(appProvision, nullptr, false);
-    if (!obj.is_structured()) {
+    if (obj.is_discarded() || (!obj.is_structured())) {
         HAPVERIFY_LOG_ERROR(LABEL, "Parsing appProvision failed. json: %{public}s", appProvision.c_str());
         return PROVISION_INVALID;
     }
@@ -369,7 +369,7 @@ AppProvisionVerifyResult ParseAndVerify(const string& appProvision, ProvisionInf
 AppProvisionVerifyResult ParseProfile(const std::string& appProvision, ProvisionInfo& info)
 {
     json obj = json::parse(appProvision, nullptr, false);
-    if (!obj.is_structured()) {
+    if (obj.is_discarded() || (!obj.is_structured())) {
         HAPVERIFY_LOG_ERROR(LABEL, "Parsing appProvision failed. json: %{public}s", appProvision.c_str());
         return PROVISION_INVALID;
     }
diff --git a/interfaces/innerkits/appverify/test/unittest/include/hap_byte_buffer_test.h b/interfaces/innerkits/appverify/test/unittest/include/hap_byte_buffer_test.h
index a527bf37644f110686cf0c7634e43b6226663a9a..c27469478ac8fe6720062acd7e5d5990a5c2f9bf 100644
--- a/interfaces/innerkits/appverify/test/unittest/include/hap_byte_buffer_test.h
+++ b/interfaces/innerkits/appverify/test/unittest/include/hap_byte_buffer_test.h
@@ -21,7 +21,6 @@
 int32_t HapByteBuffer001(void);
 int32_t GetIntAndPutOperation001(void);
 int32_t Slice001(void);
-int32_t CopyPartialBuffer001(void);
 int32_t IsEqual001(void);
 int32_t IsEqual002(void);
 #endif // HAP_BYTE_BUFFER_TEST_H
diff --git a/interfaces/innerkits/appverify/test/unittest/src/hap_byte_buffer_test.cpp b/interfaces/innerkits/appverify/test/unittest/src/hap_byte_buffer_test.cpp
index 832b6cdf652a26bc97afcebd888bf6cb7f7ed082..d2b7852cf07be2a23be9e83b414511f2de7786ad 100644
--- a/interfaces/innerkits/appverify/test/unittest/src/hap_byte_buffer_test.cpp
+++ b/interfaces/innerkits/appverify/test/unittest/src/hap_byte_buffer_test.cpp
@@ -185,37 +185,6 @@ HWTEST_F (HapByteBufferTest, Slice001, TestSize.Level1)
     ASSERT_TRUE(buffer1.HasRemaining());
 }
 
-/**
- * @tc.name: Test HapByteBuffer function of CopyPartialBuffer
- * @tc.desc: The static function will copy data from an object, detect the data is right;
- * @tc.type: FUNC
- */
-HWTEST_F (HapByteBufferTest, CopyPartialBuffer001, TestSize.Level1)
-{
-    /*
-     * @tc.steps: step1. Copy 8 bytes data from 10st-position in a 15 bytes length buffer.
-     * @tc.expected: step1. The return result is false.
-     */
-    HapByteBuffer buffer1(TEST_HAPBYTEBUFFER_LENGTH);
-    buffer1.PutInt32(0, TEST_HAPBYTEBUFFER_INT32_DATA);
-    buffer1.PutInt32(sizeof(int), TEST_HAPBYTEBUFFER_INT32_DATA_2);
-    HapByteBuffer buffer2(TEST_HAPBYTEBUFFER_LENGTH);
-    buffer1.SetPosition(TEST_HAPBYTEBUFFER_POSITION);
-    ASSERT_FALSE(buffer2.CopyPartialBuffer(buffer1, TEST_HAPBYTEBUFFER_LENGTH_2));
-    /*
-     * @tc.steps: step2. Copy 8 bytes data from first-position in a 15 bytes length buffer.
-     * @tc.expected: step2. Buffer2 return is targeted value.
-     */
-    buffer1.Clear();
-    buffer2.CopyPartialBuffer(buffer1, TEST_HAPBYTEBUFFER_LENGTH_2);
-    int32_t target1;
-    ASSERT_TRUE(buffer2.GetInt32(target1));
-    ASSERT_EQ(target1, TEST_HAPBYTEBUFFER_INT32_DATA);
-    int32_t target2;
-    ASSERT_TRUE(buffer2.GetInt32(target2));
-    ASSERT_EQ(target2, TEST_HAPBYTEBUFFER_INT32_DATA_2);
-}
-
 /**
  * @tc.name: Test HapByteBuffer function of IsEqual001
  * @tc.desc: The static function will return two object whether is equal.