diff --git a/interfaces/inner_api/file_access/src/js_file_access_ext_ability.cpp b/interfaces/inner_api/file_access/src/js_file_access_ext_ability.cpp
index 0af42686c445c7b9b7f4b49e4dd53f5acfeaedad..bb9da3dc09b4f9bff22a2467f0a580337e5e063e 100644
--- a/interfaces/inner_api/file_access/src/js_file_access_ext_ability.cpp
+++ b/interfaces/inner_api/file_access/src/js_file_access_ext_ability.cpp
@@ -244,7 +244,7 @@ int JsFileAccessExtAbility::CallJsMethod(const std::string &funcName, JsRuntime
             CallJsParam *param = reinterpret_cast<CallJsParam *>(work->data);
             if (param == nullptr) {
                 HILOG_ERROR("failed to get CallJsParam.");
-                return; 
+                return;
             }
 
             napi_handle_scope scope = nullptr;
diff --git a/test/unittest/external_notify_test.cpp b/test/unittest/external_notify_test.cpp
index dbe74f90fab6b388fb1704a8a1281717746c82cf..b419a7cf72b632565000301784beb21746e331c9 100644
--- a/test/unittest/external_notify_test.cpp
+++ b/test/unittest/external_notify_test.cpp
@@ -49,6 +49,7 @@ vector<string> g_notifyUris;
 const int SLEEP_TIME = 600 * 1000;
 const int UID_TRANSFORM_TMP = 20000000;
 const int UID_DEFAULT = 0;
+const int SLEEP_TIME_TWO = 2;
 shared_ptr<OHOS::AbilityRuntime::Context> g_context = nullptr;
 
 void SetNativeToken()
@@ -862,7 +863,7 @@ static void RegisterDirNotify(Uri parentUri, std::string dirName, IFileAccessObs
     usleep(SLEEP_TIME);
     EXPECT_EQ(g_notifyEvent, DELETE_EVENT);
     EXPECT_EQ(g_notifyUri, newDirUriTest.ToString());
-    sleep(2);
+    sleep(SLEEP_TIME_TWO);
     g_fah->UnregisterNotify(newDirUriTest, myObserver);
 }
 
diff --git a/utils/user_access_tracer.h b/utils/user_access_tracer.h
index d0e9c2fbd1db652571d30ae989321cbccfeedfc2..e1d596bf916007bd42f3006a19a51e06788c7da2 100644
--- a/utils/user_access_tracer.h
+++ b/utils/user_access_tracer.h
@@ -25,7 +25,7 @@ public:
 
     virtual ~UserAccessTracer()
     {
-        for (int32_t i = 0; i < count_; i++ ) {
+        for (int32_t i = 0; i < count_; i++) {
             FinishTrace(HITRACE_TAG_FILEMANAGEMENT);
         }
         count_ = 0;
@@ -44,7 +44,6 @@ public:
     }
 private:
     int32_t count_ = 0;
-
 };
 
 #endif // OHOS_USER_ACCESS_TRACER