diff --git a/commondependency/include/deviceprofile_connector.h b/commondependency/include/deviceprofile_connector.h
index 1aa8990e17a5031f78fa60426d4f400ebc7c6ec6..7b58f183fb30a93c838d96f27e53af75a329e48f 100644
--- a/commondependency/include/deviceprofile_connector.h
+++ b/commondependency/include/deviceprofile_connector.h
@@ -292,6 +292,15 @@ public:
     void GenerateAclHash(DistributedDeviceProfile::AccessControlProfile &acl,
         std::map<std::string, std::vector<std::string>> &aclMap, const std::string &dmVersion);
     DM_EXPORT int32_t CheckIsSameAccountByUdidHash(const std::string &udidHash);
+    /**
+     * @brief Get the Acl List Hash for this dmVersion
+     *
+     * @param localDevUserInfo local device user info
+     * @param remoteDevUserInfo remote device user info
+     * @param aclList output save the acl hash
+     * @param dmVersion target dm version
+     * @return EXPORT 0 for success
+     */
     DM_EXPORT int32_t GetAclListHashStr(const DevUserInfo &localDevUserInfo,
         const DevUserInfo &remoteDevUserInfo, std::string &aclListHash, std::string dmVersion = "");
     DM_EXPORT bool IsLnnAcl(const DistributedDeviceProfile::AccessControlProfile &profile);
diff --git a/interfaces/inner_kits/native_cpp/include/device_manager.h b/interfaces/inner_kits/native_cpp/include/device_manager.h
index da0db3936076c2cece54906b35ba28a0a818fe77..5336d2a364cee9112e30dc1fb94555bd17f1a5d3 100644
--- a/interfaces/inner_kits/native_cpp/include/device_manager.h
+++ b/interfaces/inner_kits/native_cpp/include/device_manager.h
@@ -614,6 +614,14 @@ public:
     virtual int32_t UnRegisterDeviceScreenStatusCallback(const std::string &pkgName) = 0;
     virtual int32_t GetDeviceScreenStatus(const std::string &pkgName, const std::string &networkId,
         int32_t &screenStatus) = 0;
+    /**
+     * @brief Set Dn Policy
+     * @param pkgName  package name.
+     * @param policy contain DM_POLICY_STRATEGY_FOR_BLE and DM_POLICY_TIMEOUT key and value.
+     *               DM_POLICY_STRATEGY_FOR_BLE: Strategy BLE networking go-online policy, suppress or restore.
+     *               DM_POLICY_TIMEOUT: Indicates the duration for suppressing ble networking.
+     * @return Returns 0 if success.
+     */
     virtual int32_t SetDnPolicy(const std::string &pkgName, std::map<std::string, std::string> &policy) = 0;
     virtual int32_t StopAuthenticateDevice(const std::string &pkgName) = 0;
     virtual int32_t GetNetworkIdByUdid(const std::string &pkgName, const std::string &udid, std::string &networkId) = 0;
@@ -627,6 +635,12 @@ public:
         std::vector<DmDeviceInfo> &deviceList) = 0;
     virtual int32_t RegisterAuthenticationType(const std::string &pkgName,
         const std::map<std::string, std::string> &authParam) = 0;
+     /**
+     * @brief Query the device list of same account.
+     * @param filterOptions  query parameters.
+     * @param callback       qeury result callback.
+     * @return Returns 0 if success.
+     */
     virtual int32_t GetDeviceProfileInfoList(const std::string &pkgName,
         const DmDeviceProfileInfoFilterOptions &filterOptions,
         std::shared_ptr<GetDeviceProfileInfoListCallback> callback) = 0;
@@ -648,6 +662,11 @@ public:
     virtual int32_t RestoreLocalDeviceName(const std::string &pkgName) = 0;
     virtual int32_t GetDeviceNetworkIdList(const std::string &bundleName, const NetworkIdQueryFilter &queryFilter,
         std::vector<std::string> &networkIds) = 0;
+    /**
+     * @brief UnRegister Pin Code Holder Callback
+     * @param pkgName  package name.
+     * @return Returns 0 if success.
+     */
     virtual int32_t UnRegisterPinHolderCallback(const std::string &pkgName) = 0;
     virtual bool CheckSrcAccessControl(const DmAccessCaller &caller, const DmAccessCallee &callee) = 0;
     virtual bool CheckSinkAccessControl(const DmAccessCaller &caller, const DmAccessCallee &callee) = 0;