diff --git a/CryptoArchitectureKit/crypto_architecture_kit.h b/CryptoArchitectureKit/crypto_architecture_kit.h
index 6ed8533955c81d8c91322ba259e129461e6e111b..ae3f93243b09aa04c202512e86d605ed40ce984b 100644
--- a/CryptoArchitectureKit/crypto_architecture_kit.h
+++ b/CryptoArchitectureKit/crypto_architecture_kit.h
@@ -19,7 +19,6 @@
  *
  * @brief Provides an entry to the crypto header files for you to reference.
  *
- * @syscap SystemCapability.Security.CryptoFramework
  * @since 12
  */
 
@@ -53,4 +52,4 @@
 /** @} */
 
 
-#endif /* CRYPTO_ARCHITECTURE_KIT_H*/
\ No newline at end of file
+#endif /* CRYPTO_ARCHITECTURE_KIT_H */
\ No newline at end of file
diff --git a/CryptoArchitectureKit/crypto_asym_cipher.h b/CryptoArchitectureKit/crypto_asym_cipher.h
index d6ab307212546b8c8b7bbfa768a63b67b7bc1cd7..3846be1733cfac6c843e75f837bb7f97065647d9 100644
--- a/CryptoArchitectureKit/crypto_asym_cipher.h
+++ b/CryptoArchitectureKit/crypto_asym_cipher.h
@@ -102,6 +102,7 @@ OH_Crypto_ErrCode OH_CryptoAsymCipher_Final(OH_CryptoAsymCipher *ctx, const Cryp
  * @brief Destroys the asymmetric cipher context.
  *
  * @param ctx Indicates the asymmetric cipher context.
+ * @since 20
  */
 void OH_CryptoAsymCipher_Destroy(OH_CryptoAsymCipher *ctx);
 
diff --git a/CryptoArchitectureKit/crypto_digest.h b/CryptoArchitectureKit/crypto_digest.h
index 52227bfe81985db9be558baf6b106b537d809ea7..bac24951a8b1c1fdc48364749b839435dd28ebcc 100644
--- a/CryptoArchitectureKit/crypto_digest.h
+++ b/CryptoArchitectureKit/crypto_digest.h
@@ -97,11 +97,8 @@ OH_Crypto_ErrCode OH_CryptoDigest_Final(OH_CryptoDigest *ctx, Crypto_DataBlob *o
  * @brief Get the digest length of the digest context.
  *
  * @param ctx Indicates the digest context.
- * @return {@link OH_Crypto_ErrCode#CRYPTO_SUCCESS} 0 - If the operation is successful.
- *         {@link OH_Crypto_ErrCode#CRYPTO_INVALID_PARAMS} 401 - If parameter is invalid.
- *         {@link OH_Crypto_ErrCode#CRYPTO_NOT_SUPPORTED} 801 - If the operation is not supported.
- *         {@link OH_Crypto_ErrCode#CRYPTO_MEMORY_ERROR} 17620001 - If memory operation failed.
- *         {@link OH_Crypto_ErrCode#CRYPTO_OPERTION_ERROR} 17630001 - If crypto opertion failed.
+ * @return Return the digest length.
+ *         If the input parameter ctx is NULL, 401 is returned, in other failure scenarios, 0 is returned.
  * @since 12
  */
 uint32_t OH_CryptoDigest_GetLength(OH_CryptoDigest *ctx);
@@ -119,11 +116,6 @@ const char *OH_CryptoDigest_GetAlgoName(OH_CryptoDigest *ctx);
  * @brief Destroy the digest context.
  *
  * @param ctx Indicates the digest context.
- * @return {@link OH_Crypto_ErrCode#CRYPTO_SUCCESS} 0 - If the operation is successful.
- *         {@link OH_Crypto_ErrCode#CRYPTO_INVALID_PARAMS} 401 - If parameter is invalid.
- *         {@link OH_Crypto_ErrCode#CRYPTO_NOT_SUPPORTED} 801 - If the operation is not supported.
- *         {@link OH_Crypto_ErrCode#CRYPTO_MEMORY_ERROR} 17620001 - If memory operation failed.
- *         {@link OH_Crypto_ErrCode#CRYPTO_OPERTION_ERROR} 17630001 - If crypto opertion failed.
  * @since 12
  */
 void OH_DigestCrypto_Destroy(OH_CryptoDigest *ctx);
diff --git a/CryptoArchitectureKit/crypto_signature.h b/CryptoArchitectureKit/crypto_signature.h
index 7982b278f2c9dc5dc9d7347cf010e4f9a27d4d40..904488648d32fe387da5a8fa36231452dd9e2d3c 100644
--- a/CryptoArchitectureKit/crypto_signature.h
+++ b/CryptoArchitectureKit/crypto_signature.h
@@ -323,7 +323,7 @@ typedef struct OH_CryptoEccSignatureSpec OH_CryptoEccSignatureSpec;
 /**
  * @brief Creates the ECC signature spec, also support SM2 signature.
  *
- * @param EccSignature Indicates the ECC signature in DER format, if EccSignature parameter is NULL,
+ * @param eccSignature Indicates the ECC signature in DER format, if eccSignature parameter is NULL,
  * an empty ECC signature spec will be created.
  * @param spec Indicates the output ECC signature spec.
  * @return {@link OH_Crypto_ErrCode#CRYPTO_SUCCESS} 0 - If the operation is successful.
@@ -333,7 +333,7 @@ typedef struct OH_CryptoEccSignatureSpec OH_CryptoEccSignatureSpec;
  *         {@link OH_Crypto_ErrCode#CRYPTO_OPERTION_ERROR} 17630001 - If crypto operation failed.
  * @since 20
  */
-OH_Crypto_ErrCode OH_CryptoEccSignatureSpec_Create(Crypto_DataBlob *EccSignature,
+OH_Crypto_ErrCode OH_CryptoEccSignatureSpec_Create(Crypto_DataBlob *eccSignature,
     OH_CryptoEccSignatureSpec **spec);
 
 /**