diff --git a/frameworks/js/napi/BUILD.gn b/frameworks/js/napi/BUILD.gn
index 1befc17736e4e5433ce804aa01056d8051d2acfc..3e02c96f986dce4031a83e980743beffcdabcf35 100644
--- a/frameworks/js/napi/BUILD.gn
+++ b/frameworks/js/napi/BUILD.gn
@@ -1,4 +1,4 @@
-# Copyright (c) 2021 Huawei Device Co., Ltd.
+# Copyright (c) 2021-2022 Huawei Device Co., Ltd.
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at
diff --git a/frameworks/js/napi/include/event_agent.h b/frameworks/js/napi/include/event_agent.h
index 5ecb636cf788299dfe280273866d8206c088aafb..1061a6bc8f1116aad46bd7cf02ac4a98586775e0 100644
--- a/frameworks/js/napi/include/event_agent.h
+++ b/frameworks/js/napi/include/event_agent.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2021 Huawei Device Co., Ltd.
+ * Copyright (c) 2022 Huawei Device Co., Ltd.
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
diff --git a/frameworks/js/napi/src/event_agent.cpp b/frameworks/js/napi/src/event_agent.cpp
index 49be78144e916e2ec0bd86ceae6f41c88af6c772..0bfa4aa958f2c8398bf8403abc7b4a47310a4d82 100644
--- a/frameworks/js/napi/src/event_agent.cpp
+++ b/frameworks/js/napi/src/event_agent.cpp
@@ -51,7 +51,7 @@ void EventAgent::On(const char* type, napi_value handler)
     auto tmp = new EventListener();
 
     LOGD("EventAgent::On: JS callback register.\n");
-    if (strncpy_s(tmp->type, LISTENER_TYPTE_MAX_LENGTH, type, strlen(type)) == -1) {
+    if (strncpy_s(tmp->type, LISTENER_TYPTE_MAX_LENGTH, type, strlen(type)) != EOK) {
         delete tmp;
         tmp = nullptr;
         return;
diff --git a/frameworks/js/napi/src/sendfile_napi.cpp b/frameworks/js/napi/src/sendfile_napi.cpp
index 08b36c51cf84188f27533349f8bd82cc79e28eef..d6a429a5ca2deb1b48fd4ea548d3b08501537aca 100644
--- a/frameworks/js/napi/src/sendfile_napi.cpp
+++ b/frameworks/js/napi/src/sendfile_napi.cpp
@@ -24,7 +24,9 @@ namespace OHOS {
 namespace Storage {
 namespace DistributedFile {
 using namespace FileManagement::LibN;
-
+namespace {
+    constexpr int TYPE_LEN = 64;
+}
 std::vector<std::string> GetJsPath(napi_env env, napi_value param)
 {
     std::vector<std::string> jsPath;
@@ -134,7 +136,7 @@ napi_value JsOn(napi_env env, napi_callback_info cbinfo)
     napi_typeof(env, argv[1], &eventHandleType);
     NAPI_ASSERT(env, eventHandleType == napi_function, "type mismatch for parameter 2");
 
-    char type[64] = { 0 };
+    char type[TYPE_LEN] = { 0 };
     size_t typeLen = 0;
 
     napi_get_value_string_utf8(env, argv[0], type, sizeof(type), &typeLen);
diff --git a/interfaces/innerkits/kits/js/@ohos.sendfile.d.ts b/interfaces/innerkits/kits/js/@ohos.sendfile.d.ts
index d09af3316c6de4b91ab1091294bbb87f951f3620..79d138b6904fbc5a89cd64df3874b588dc301598 100644
--- a/interfaces/innerkits/kits/js/@ohos.sendfile.d.ts
+++ b/interfaces/innerkits/kits/js/@ohos.sendfile.d.ts
@@ -1,5 +1,5 @@
 /*
-* Copyright (C) 2021 Huawei Device Co., Ltd.
+* Copyright (C) 2022 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
diff --git a/services/5201.xml b/services/5201.xml
index 134d80e6115e3fe24d6b73f8bb32200cef678012..79acd072245f8971bf03221e165c98ae1d94566b 100644
--- a/services/5201.xml
+++ b/services/5201.xml
@@ -22,6 +22,6 @@
         <depend-time-out>60000</depend-time-out>        <!-- Check all dependencies are avaliable before the timeout period ended. The MAX_DEPENDENCY_TIMEOUT is 60s. -->
         <run-on-create>true</run-on-create>        <!-- "true" means the system ability would start imediately, "false" means the system ability would start on demand. -->
         <distributed>false</distributed>        <!-- "true" means the system ability supports distributed scheduling while "false" is not. -->
-        <dump-level>1</dump-level>        <!-- Declare the dump level. 1-high; 2-media; 3-low -->
+        <dump-level>1</dump-level>        <!-- Declare the dump level. 1-high; 2-medium; 3-low -->
     </systemability>
 </info>
diff --git a/services/5202.xml b/services/5202.xml
index f4131f9a6158ce47a50bd933e049f42ca2a5c012..ac72ba28684c4e3842bf6b75a8f1b09431fe3109 100644
--- a/services/5202.xml
+++ b/services/5202.xml
@@ -22,6 +22,6 @@
         <depend-time-out>60000</depend-time-out>      <!-- Check all dependencies are avaliable before the timeout period ended. The MAX_DEPENDENCY_TIMEOUT is 60s. -->
         <run-on-create>true</run-on-create>        <!-- "true" means the system ability would start imediately, "false" means the system ability would start on demand. -->
         <distributed>false</distributed>        <!-- "true" means the system ability supports distributed scheduling while "false" is not. -->
-        <dump-level>1</dump-level>        <!-- Declare the dump level. 1-high; 2-media; 3-low -->
+        <dump-level>1</dump-level>        <!-- Declare the dump level. 1-high; 2-medium; 3-low -->
     </systemability>
 </info>
diff --git a/services/distributedfiledaemon/src/device/device_info.cpp b/services/distributedfiledaemon/src/device/device_info.cpp
index 7f83943c415f3f28d1a50bc693929079e0f8a6fd..0f041f6784f98d004aaad4ac8bab5908e3520f6c 100644
--- a/services/distributedfiledaemon/src/device/device_info.cpp
+++ b/services/distributedfiledaemon/src/device/device_info.cpp
@@ -49,7 +49,7 @@ void DeviceInfo::SetCid(const string &cid)
         cid_ = cid;
         initCidFlag_ = true;
     } else {
-        LOGI("Cid is already initializing");
+        LOGI("Cid is already initialized");
     }
 }
 
diff --git a/services/distributedfiledaemon/src/device/device_manager_agent.cpp b/services/distributedfiledaemon/src/device/device_manager_agent.cpp
index 1e3f4850fa2d8a273d44604d99b1957c499b2937..d9b6b93e1931d99594923d220d124b04bc34cc8c 100644
--- a/services/distributedfiledaemon/src/device/device_manager_agent.cpp
+++ b/services/distributedfiledaemon/src/device/device_manager_agent.cpp
@@ -240,7 +240,7 @@ void DeviceManagerAgent::QueryRelatedGroups(const std::string &udid, const std::
     }
 
     if (groupNum == 0) {
-        LOGE("failed to get related groups, groupNum is %{public}d", groupNum);
+        LOGE("failed to get related groups, groupNum is %{public}u", groupNum);
         return;
     }
 
@@ -289,6 +289,7 @@ bool DeviceManagerAgent::CheckIsAccountless(const GroupInfo &group)
 
 void DeviceManagerAgent::OnDeviceChanged(const DistributedHardware::DmDeviceInfo &deviceInfo)
 {
+    (void)deviceInfo;
     LOGI("OnDeviceInfoChanged");
 }
 
diff --git a/services/distributedfiledaemon/src/ipc/daemon.cpp b/services/distributedfiledaemon/src/ipc/daemon.cpp
index c080df602b76b48ede7d11a92a5188bdd178de6e..8f9da6a61a85c810a2a58f1fecae8992bdb2b7c3 100644
--- a/services/distributedfiledaemon/src/ipc/daemon.cpp
+++ b/services/distributedfiledaemon/src/ipc/daemon.cpp
@@ -89,6 +89,7 @@ void Daemon::OnStop()
 
 int32_t Daemon::EchoServerDemo(const string &echoStr)
 {
+    (void)echoStr;
     return 0;
 }
 } // namespace DistributedFile
diff --git a/services/distributedfiledaemon/src/mountpoint/mount_manager.cpp b/services/distributedfiledaemon/src/mountpoint/mount_manager.cpp
index 52fca4351a952d9a0f7e1a9e885dafd2171990bb..2a7516f63d6cdac19677fe43bbe758e5dc40f983 100644
--- a/services/distributedfiledaemon/src/mountpoint/mount_manager.cpp
+++ b/services/distributedfiledaemon/src/mountpoint/mount_manager.cpp
@@ -37,14 +37,17 @@ MountManager::~MountManager()
 
 void MountManager::Mount(unique_ptr<MountPoint> mp)
 {
+    (void)mp;
 }
 
 void MountManager::Umount(weak_ptr<MountPoint> wmp)
 {
+    (void)wmp;
 }
 
 void MountManager::Umount(const std::string &groupId)
 {
+    (void)groupId;
 }
 } // namespace DistributedFile
 } // namespace Storage
diff --git a/services/distributedfiledaemon/src/network/network_agent_template.cpp b/services/distributedfiledaemon/src/network/network_agent_template.cpp
index 06c181a4b6b7427c65794ff39f7dabbc2e3e3dfa..d5e09d77d2e6026b7b19b8ab312716f75e1e23ae 100644
--- a/services/distributedfiledaemon/src/network/network_agent_template.cpp
+++ b/services/distributedfiledaemon/src/network/network_agent_template.cpp
@@ -74,6 +74,7 @@ void NetworkAgentTemplate::DisconnectDevice(const DeviceInfo info)
 
 void NetworkAgentTemplate::CloseSessionForOneDevice(const string &cid)
 {
+    (void)cid;
     LOGI("session closed!");
 }
 
diff --git a/services/distributedfiledaemon/src/network/softbus/softbus_agent.cpp b/services/distributedfiledaemon/src/network/softbus/softbus_agent.cpp
index 07d9193e85430ef69026911356049e0a4ec1acc3..f3a19dabbec3a61514ebe51a6210e60e8bc4e05c 100644
--- a/services/distributedfiledaemon/src/network/softbus/softbus_agent.cpp
+++ b/services/distributedfiledaemon/src/network/softbus/softbus_agent.cpp
@@ -57,7 +57,7 @@ void SoftbusAgent::JoinDomain()
 
     SoftbusSessionDispatcher::RegisterSessionListener(sessionName_, shared_from_this());
     int ret = ::CreateSessionServer(IDaemon::SERVICE_NAME.c_str(), sessionName_.c_str(), &sessionListener);
-    if (ret != 0) { // ! 错误码
+    if (ret != 0) {
         stringstream ss;
         ss << "Failed to CreateSessionServer, errno:" << ret;
         LOGE("%{public}s, sessionName:%{public}s", ss.str().c_str(), sessionName_.c_str());
@@ -69,7 +69,7 @@ void SoftbusAgent::JoinDomain()
 void SoftbusAgent::QuitDomain()
 {
     int ret = ::RemoveSessionServer(IDaemon::SERVICE_NAME.c_str(), sessionName_.c_str());
-    if (ret != 0) { // ! 错误码
+    if (ret != 0) {
         stringstream ss;
         ss << "Failed to RemoveSessionServer, errno:" << ret;
         LOGE("%{public}s", ss.str().c_str());
diff --git a/services/distributedfileservice/src/device/device_manager_agent.cpp b/services/distributedfileservice/src/device/device_manager_agent.cpp
index 9adfea8428a57e82d73eb465fa0e4b7076d75db3..9dd1b4f7fb346662699673348e21c8e6b7cd9d0e 100644
--- a/services/distributedfileservice/src/device/device_manager_agent.cpp
+++ b/services/distributedfileservice/src/device/device_manager_agent.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2021 Huawei Device Co., Ltd.
+ * Copyright (c) 2021-2022 Huawei Device Co., Ltd.
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
diff --git a/services/distributedfileservice/src/ipc/distributedfile_service.cpp b/services/distributedfileservice/src/ipc/distributedfile_service.cpp
index ed64de07e265d7dac63050df474393708b3a825a..945f8dd623ee7088ee50334190098a3c18ab01d1 100644
--- a/services/distributedfileservice/src/ipc/distributedfile_service.cpp
+++ b/services/distributedfileservice/src/ipc/distributedfile_service.cpp
@@ -243,7 +243,6 @@ int32_t DistributedFileService::OpenFile(int32_t fd, const std::string &fileName
 int32_t DistributedFileService::RegisterNotifyCallback(sptr<IFileTransferCallback> &callback)
 {
     SoftbusAgent::GetInstance()->SetTransCallback(callback);
-    LOGD("DistributedFileService::RegisterNotifyCallback: cb[%{public}p]", callback->AsObject().GetRefPtr());
     return DFS_SUCCESS;
 }
 
diff --git a/services/distributedfileservice/src/network/softbus_dispatcher.cpp b/services/distributedfileservice/src/network/softbus_dispatcher.cpp
index ac4ace9f4a07e5a6f7bb6f36ab9e2e693d366115..20a29f6ca6de3fc669ddb9772a5ba55cec4c5648 100644
--- a/services/distributedfileservice/src/network/softbus_dispatcher.cpp
+++ b/services/distributedfileservice/src/network/softbus_dispatcher.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2021 Huawei Device Co., Ltd.
+ * Copyright (c) 2022 Huawei Device Co., Ltd.
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at