diff --git a/base/include/parcel.h b/base/include/parcel.h
index 5ea29b2feadedaffc0dc5f95fa96121af3d0d5ae..3f752d548a218818fa2c5787562bc6b541cb54be 100755
--- a/base/include/parcel.h
+++ b/base/include/parcel.h
@@ -292,7 +292,6 @@ public:
     bool WriteUint8Unaligned(uint8_t value);
     bool WriteUint16Unaligned(uint16_t value);
 
-
     bool ReadBoolUnaligned();
     bool ReadInt8Unaligned(int8_t &value);
     bool ReadInt16Unaligned(int16_t &value);
diff --git a/base/include/safe_block_queue.h b/base/include/safe_block_queue.h
index f85317d6582f27219c9c8a7c2bff1dc74e848aa6..f026169fc192c999a03c1dc54012db8c2f868ca0 100755
--- a/base/include/safe_block_queue.h
+++ b/base/include/safe_block_queue.h
@@ -121,7 +121,7 @@ public:
         unfinishedTaskCount_ = 0;
     }
 
-    virtual ~SafeBlockQueueTracking(){};
+    virtual ~SafeBlockQueueTracking() {};
 
     virtual void Push(T const& elem)
     {
diff --git a/base/include/sorted_vector.h b/base/include/sorted_vector.h
index 065dda754554092f8f759e1cd5a1528f3d1887a9..2877445bd0ffb5a18bab33fe199e7fd8278596af 100755
--- a/base/include/sorted_vector.h
+++ b/base/include/sorted_vector.h
@@ -43,7 +43,7 @@ public:
 
     SortedVector(const std::vector<TYPE>& orivect);
 
-    virtual ~SortedVector(){};
+    virtual ~SortedVector() {};
     // copy operator
     SortedVector<TYPE, AllowDuplicate>& operator=(const SortedVector<TYPE, false>& rhs);
     SortedVector<TYPE, AllowDuplicate>& operator=(const SortedVector<TYPE, true>& rhs);
diff --git a/base/include/timer.h b/base/include/timer.h
index b362175c7dd4d1fc6295d86bb18dc4ce605b5bf5..8b09ee4c151a733105c9aaf1cd4bcb30ae2d7e73 100755
--- a/base/include/timer.h
+++ b/base/include/timer.h
@@ -46,7 +46,7 @@ public:
      *          others: wait(until event-trigger)
      */
     explicit Timer(const std::string& name, int timeoutMs = 1000);
-    virtual ~Timer(){}
+    virtual ~Timer() {}
 
     virtual uint32_t Setup();
 
diff --git a/base/src/directory_ex.cpp b/base/src/directory_ex.cpp
index e3c9d2abf62a240156aa7e6f7171e13379040d81..80e89292cf6d76c94f85c5f7dbfdad4cb1fc8965 100755
--- a/base/src/directory_ex.cpp
+++ b/base/src/directory_ex.cpp
@@ -14,10 +14,10 @@
  */
 
 #include "directory_ex.h"
-#include "securec.h"
-#include "unistd.h"
 #include <dirent.h>
 #include <errno.h>
+#include "securec.h"
+#include "unistd.h"
 #include "utils_log.h"
 using namespace std;
 
diff --git a/base/src/event_handler.h b/base/src/event_handler.h
index 779563037699193cf551958efb985b5f605cb6db..c2434779b8abcbef921f70899ee4b3841c9087a0 100755
--- a/base/src/event_handler.h
+++ b/base/src/event_handler.h
@@ -34,7 +34,7 @@ public:
     EventHandler(const EventHandler&) = delete;
     EventHandler& operator=(const EventHandler&&) = delete;
     EventHandler(const EventHandler&&) = delete;
-    ~EventHandler(){};
+    ~EventHandler() {};
 
     int GetHandle() const { return (fd_); }
     uint32_t Events() const { return (events_); }
diff --git a/base/src/file_ex.cpp b/base/src/file_ex.cpp
index cd79a5f59a1b3dfda7c2c499eeeb0a12459387c8..d52f1b4de40f502bc2b1eae026725ad23761b819 100755
--- a/base/src/file_ex.cpp
+++ b/base/src/file_ex.cpp
@@ -14,7 +14,6 @@
  */
 
 #include "file_ex.h"
-#include "directory_ex.h"
 #include <fstream>
 #include <iostream>
 #include <algorithm>
@@ -25,6 +24,7 @@
 #include <cstdio>
 #include <securec.h>
 #include <cstring>
+#include "directory_ex.h"
 #include "utils_log.h"
 
 using namespace std;
diff --git a/base/src/parcel.cpp b/base/src/parcel.cpp
index 35b483283c3af8ef1c11dde77193804a087a7370..855f7cfe48fa18772d56a8e001f055bfb7f1ffc5 100755
--- a/base/src/parcel.cpp
+++ b/base/src/parcel.cpp
@@ -696,7 +696,7 @@ bool Parcel::Read(T &value)
 template <typename T>
 T Parcel::Read()
 {
-    T lvalue{};
+    T lvalue {};
     return Read<T>(lvalue) ? lvalue : 0;
 }
 
diff --git a/base/src/refbase.cpp b/base/src/refbase.cpp
index ab936534ea41bedeba5ce44c9b615d7ac4330510..fd15b8206ffc2ed0e992b70e75e480170600a4a9 100755
--- a/base/src/refbase.cpp
+++ b/base/src/refbase.cpp
@@ -34,7 +34,7 @@ WeakRefCounter::~WeakRefCounter()
 
 void* WeakRefCounter::GetRefPtr()
 {
-    if ((cookie_ != nullptr) && (!refCounter_->IsRefPtrValid())){
+    if ((cookie_ != nullptr) && (!refCounter_->IsRefPtrValid())) {
         cookie_ = nullptr;
     }
     return cookie_;
@@ -103,7 +103,7 @@ RefCounter::~RefCounter()
 {
 }
 
-int RefCounter::IncStrongRefCount(const void* /*objectId*/)
+int RefCounter::IncStrongRefCount(const void* /* objectId */)
 {
     int curCount = atomicStrong_.load(std::memory_order_relaxed);
 
@@ -117,7 +117,7 @@ int RefCounter::IncStrongRefCount(const void* /*objectId*/)
     return curCount;
 }
 
-int RefCounter::DecStrongRefCount(const void* /*objectId*/)
+int RefCounter::DecStrongRefCount(const void* /* objectId */)
 {
     int curCount = GetStrongRefCount();
     if (curCount == INITIAL_PRIMARY_VALUE) {
@@ -136,12 +136,12 @@ int RefCounter::GetStrongRefCount()
     return atomicStrong_.load(std::memory_order_relaxed);
 }
 
-int RefCounter::IncWeakRefCount(const void* /*objectId*/)
+int RefCounter::IncWeakRefCount(const void* /* objectId */)
 {
     return atomicWeak_.fetch_add(1, std::memory_order_relaxed);
 }
 
-int RefCounter::DecWeakRefCount(const void* /*objectId*/)
+int RefCounter::DecWeakRefCount(const void* /* objectId */)
 {
     int curCount = GetWeakRefCount();
     if (curCount > 0) {
@@ -237,7 +237,7 @@ RefBase::RefBase() : refs_(new RefCounter())
     refs_->SetCallback(std::bind(&RefBase::RefPtrCallback, this));
 }
 
-RefBase::RefBase(const RefBase &/*other*/)
+RefBase::RefBase(const RefBase & /* other */)
 {
     refs_ = new RefCounter();
     if (refs_ != nullptr) {
@@ -257,7 +257,7 @@ void RefBase::RefPtrCallback()
  * RISK: If there is a reference count on the left of the equal sign,
  * it may cause a reference count exception
  */
-RefBase &RefBase::operator=(const RefBase &/*other*/)
+RefBase &RefBase::operator=(const RefBase & /* other */)
 {
     if (refs_ != nullptr) {
         refs_->RemoveCallback();
@@ -426,16 +426,16 @@ bool RefBase::IsExtendLifeTimeSet()
     return refs_->IsLifeTimeExtended();
 }
 
-void RefBase::OnFirstStrongRef(const void* /*objectId*/)
+void RefBase::OnFirstStrongRef(const void* /* objectId */)
 {}
 
-void RefBase::OnLastStrongRef(const void* /*objectId*/)
+void RefBase::OnLastStrongRef(const void* /* objectId */)
 {}
 
-void RefBase::OnLastWeakRef(const void* /*objectId*/)
+void RefBase::OnLastWeakRef(const void* /* objectId */)
 {}
 
-bool RefBase::OnAttemptPromoted(const void* /*objectId*/)
+bool RefBase::OnAttemptPromoted(const void* /* objectId */)
 {
     return true;
 }
diff --git a/base/test/unittest/common/utils_refbase_test.cpp b/base/test/unittest/common/utils_refbase_test.cpp
index 257419dcce26186697aba69450a888e78b1d1731..ebd7f64449db7054d6b4a06c6700cbfab39d4e4e 100755
--- a/base/test/unittest/common/utils_refbase_test.cpp
+++ b/base/test/unittest/common/utils_refbase_test.cpp
@@ -82,7 +82,7 @@ class IRemoteObject : public virtual RefBase {
 public:
     IRemoteObject() { ExtendObjectLifetime(); };
     virtual bool IsProxyObject() = 0;
-    ~IRemoteObject(){};
+    ~IRemoteObject() {};
 };
 
 class RefBaseTestTracker : public RefBase {
@@ -205,7 +205,7 @@ public:
         tracker->TrackObject(this);
         tracker->TrackNewObject(this);
     };
-    ~IPCObjectProxy(){};
+    ~IPCObjectProxy() {};
     void RefPtrCallback() override;
     void OnLastStrongRef(const void *objectId) override;
     void OnFirstStrongRef(const void *objectId) override;
diff --git a/base/test/unittest/common/utils_singleton_test.cpp b/base/test/unittest/common/utils_singleton_test.cpp
index bfe9a63b4f0d07edea85836401dff6793b627d19..ded12b66803c8b0a3968a808592ff1c69c774aab 100644
--- a/base/test/unittest/common/utils_singleton_test.cpp
+++ b/base/test/unittest/common/utils_singleton_test.cpp
@@ -28,8 +28,8 @@ public:
     void* GetObjAddr() { return (void*)this; }
 };
 
-DelayedSingletonDeclearTest::~DelayedSingletonDeclearTest(){};
-DelayedSingletonDeclearTest::DelayedSingletonDeclearTest(){};
+DelayedSingletonDeclearTest::~DelayedSingletonDeclearTest() {};
+DelayedSingletonDeclearTest::DelayedSingletonDeclearTest() {};
 
 class SingletonDeclearTest {
     DECLARE_SINGLETON(SingletonDeclearTest);
@@ -37,8 +37,8 @@ public:
     void* GetObjAddr() { return (void*)this; }
 };
     
-SingletonDeclearTest::~SingletonDeclearTest(){};
-SingletonDeclearTest::SingletonDeclearTest(){};
+SingletonDeclearTest::~SingletonDeclearTest() {};
+SingletonDeclearTest::SingletonDeclearTest() {};
 
 class SingletonTest: public Singleton<SingletonTest> {
 public:
@@ -57,8 +57,8 @@ public:
     void* GetObjAddr() { return (void*)this; }
 };
 
-DelayedRefSingletonDeclearTest::DelayedRefSingletonDeclearTest(){};
-DelayedRefSingletonDeclearTest::~DelayedRefSingletonDeclearTest(){};
+DelayedRefSingletonDeclearTest::DelayedRefSingletonDeclearTest() {};
+DelayedRefSingletonDeclearTest::~DelayedRefSingletonDeclearTest() {};
 
 class DelayedRefSingletonTest: public DelayedRefSingleton<DelayedRefSingletonTest> {
 public:
diff --git a/base/test/unittest/common/utils_thread_pool_test.cpp b/base/test/unittest/common/utils_thread_pool_test.cpp
index dea8df9210153316d5bfeac553c5a884191d6c81..6a0cd20497b897b499c6e9b37f2e7bc106372e5a 100755
--- a/base/test/unittest/common/utils_thread_pool_test.cpp
+++ b/base/test/unittest/common/utils_thread_pool_test.cpp
@@ -120,13 +120,13 @@ HWTEST_F(UtilsThreadPoolTest, test_05, TestSize.Level0)
     EXPECT_EQ((int)pool.GetThreadsNum(), 5);
     EXPECT_EQ((int)pool.GetCurTaskNum(), 0);
 
-    for ( int i = 0; i < 3; ++i )
+    for (int i = 0; i < 3; ++i)
     {
         auto task = std::bind(TestFuncAddOneTime, i);
         pool.AddTask(task);
     }
 
-    for ( int i = 0; i < 2; ++i )
+    for (int i = 0; i < 2; ++i)
     {
         auto task = std::bind(TestFuncSubOneTime, i);
         pool.AddTask(task);
@@ -150,13 +150,13 @@ HWTEST_F(UtilsThreadPoolTest, test_06, TestSize.Level0)
 
     pool.SetMaxTaskNum(10);
 
-    for ( int i = 0; i < 8; ++i )
+    for (int i = 0; i < 8; ++i)
     {
         auto task = std::bind(TestFuncAddOneTime, i);
         pool.AddTask(task);
     }
 
-    for ( int i = 0; i < 7; ++i )
+    for (int i = 0; i < 7; ++i)
     {
         auto task = std::bind(TestFuncSubOneTime, i);
         pool.AddTask(task);
@@ -175,7 +175,7 @@ void TestFuncAddWait(int& i)
     ++g_times;
     printf("after func:%s0%d called, :%d\n", __func__, i, g_times);
     std::unique_lock<std::mutex> lk(g_mutex);
-    g_cv.wait(lk, []{return g_ready;});
+    g_cv.wait(lk, [] {return g_ready;});
     printf("func:%s0%d received ready signal!\n", __func__, i);
 }
 
@@ -184,7 +184,7 @@ void TestFuncSubWait(int& i)
     --g_times;
     printf("after func:%s0%d called, :%d\n", __func__, i, g_times);
     std::unique_lock<std::mutex> lk(g_mutex);
-    g_cv.wait(lk, []{return g_ready;});
+    g_cv.wait(lk, [] {return g_ready;});
     printf("func:%s0%d received ready signal!\n", __func__, i);
 }
 
@@ -198,13 +198,13 @@ HWTEST_F(UtilsThreadPoolTest, test_07, TestSize.Level0)
     EXPECT_EQ((int)pool.GetThreadsNum(), 5);
     EXPECT_EQ((int)pool.GetCurTaskNum(), 0);
 
-    for ( int i = 0; i < 3; ++i )
+    for (int i = 0; i < 3; ++i)
     {
         auto task = std::bind(TestFuncAddWait, i);
         pool.AddTask(task);
     }
 
-    for ( int i = 0; i < 2; ++i )
+    for (int i = 0; i < 2; ++i)
     {
         auto task = std::bind(TestFuncSubWait, i);
         pool.AddTask(task);
@@ -236,13 +236,13 @@ HWTEST_F(UtilsThreadPoolTest, test_08, TestSize.Level0)
     pool.SetMaxTaskNum(10);
 
     // ADD 15 tasks
-    for ( int i = 0; i < 8; ++i )
+    for (int i = 0; i < 8; ++i)
     {
         auto task = std::bind(TestFuncAddWait, i);
         pool.AddTask(task);
     }
 
-    for ( int i = 0; i < 7; ++i )
+    for (int i = 0; i < 7; ++i)
     {
         auto task = std::bind(TestFuncSubWait, i);
         pool.AddTask(task);
diff --git a/base/test/unittest/common/utils_thread_test.cpp b/base/test/unittest/common/utils_thread_test.cpp
index 7147b6b023e1bc0fb53a42af9acaf0eb798240ba..1cc7fca76cd60e3a55fefdef28a0bce38203b86a 100755
--- a/base/test/unittest/common/utils_thread_test.cpp
+++ b/base/test/unittest/common/utils_thread_test.cpp
@@ -25,9 +25,8 @@ using namespace std;
 static int times = 0;
 using ThreadRunFunc = bool (*)(int& data);
 
-class UtilsThreadTest : public testing::Test
-{
-public :
+class UtilsThreadTest : public testing::Test {
+public:
     static void SetUpTestCase(void);
     static void TearDownTestCase(void);
     void SetUp();
@@ -66,7 +65,7 @@ int GetThreadPriority(const pthread_t& thread)
 
     // scheduling parameters of target thread
     ret = pthread_getschedparam (thread, &policy, &param);
-    if (ret != 0){
+    if (ret != 0) {
         printf("pthread_getschedparam failed! thread:%lu, ret:%d\n", thread, ret);
         return -1;
     }
@@ -103,14 +102,14 @@ bool TestRun03(int& data)
 constexpr int DEFAULT_PRIO = 0;
 const std::string& DEFAULT_THREAD_NAME = "default";
 
-class TestThread : public OHOS::Thread{
+class TestThread : public OHOS::Thread {
 public:
     TestThread(const int data, const bool readyToWork, ThreadRunFunc runFunc)
         : data_(data), priority_(DEFAULT_PRIO), name_(DEFAULT_THREAD_NAME), readyToWork_(readyToWork), runFunc_(runFunc)
         {};
 
     TestThread() = delete;
-    ~TestThread(){};
+    ~TestThread() {};
 
     bool ReadyToWork() override;
 
@@ -158,7 +157,7 @@ HWTEST_F(UtilsThreadTest, testThread001, TestSize.Level0)
     pthread_t thread = test->GetThread();
 
     // pthread_equal return non-zero if equal
-    EXPECT_EQ(pthread_equal(thread ,-1) != 0, (test->IsRunning() ? false : true));
+    EXPECT_EQ(pthread_equal(thread, -1) != 0, (test->IsRunning() ? false : true));
 
     // ReadyToWork return false, RUN will not be called!
     EXPECT_EQ(test->priority_, DEFAULT_PRIO);
@@ -170,7 +169,7 @@ HWTEST_F(UtilsThreadTest, testThread001, TestSize.Level0)
     EXPECT_EQ(times, 0);
     test->NotifyExitSync();
     sleep(1);
-    EXPECT_EQ(pthread_equal(test->GetThread() ,-1) != 0, (test->IsRunning() ? false : true));
+    EXPECT_EQ(pthread_equal(test->GetThread(), -1) != 0, (test->IsRunning() ? false : true));
 }
 
 /*
@@ -188,7 +187,7 @@ HWTEST_F(UtilsThreadTest, testThread002, TestSize.Level0)
     sleep(1); // let the new thread has chance to run
 
     // pthread_equal return non-zero if equal, RUN return false,may exit already
-    EXPECT_EQ(pthread_equal(test->GetThread() ,-1) != 0, (test->IsRunning() ? false : true));
+    EXPECT_EQ(pthread_equal(test->GetThread(), -1) != 0, (test->IsRunning() ? false : true));
 
     // ReadyToWork return true, RUN will be called!
     EXPECT_EQ(test->priority_, THREAD_PROI_LOW);
@@ -198,7 +197,7 @@ HWTEST_F(UtilsThreadTest, testThread002, TestSize.Level0)
     EXPECT_EQ(times, 0);
     test->NotifyExitSync();
     sleep(1);
-    EXPECT_EQ(pthread_equal(test->GetThread() ,-1) != 0, (test->IsRunning() ? false : true));
+    EXPECT_EQ(pthread_equal(test->GetThread(), -1) != 0, (test->IsRunning() ? false : true));
 }
 
 /*
@@ -225,7 +224,7 @@ HWTEST_F(UtilsThreadTest, testThread003, TestSize.Level0)
     EXPECT_EQ(times, 0);
     test->NotifyExitSync();
     sleep(1);
-    EXPECT_EQ(pthread_equal(test->GetThread() ,-1) != 0, (test->IsRunning() ? false : true));
+    EXPECT_EQ(pthread_equal(test->GetThread(), -1) != 0, (test->IsRunning() ? false : true));
 }
 
 /*
@@ -243,7 +242,7 @@ HWTEST_F(UtilsThreadTest, testThread004, TestSize.Level0)
     sleep(1); // let the new thread has chance to run
 
     // pthread_equal return non-zero if equal, RUN return false,may exit already
-    EXPECT_EQ(pthread_equal(test->GetThread() ,-1) != 0, (test->IsRunning() ? false : true));
+    EXPECT_EQ(pthread_equal(test->GetThread(), -1) != 0, (test->IsRunning() ? false : true));
 
     // ReadyToWork return true, RUN will be called!
     EXPECT_EQ(test->priority_, THREAD_PROI_LOW);
@@ -253,7 +252,7 @@ HWTEST_F(UtilsThreadTest, testThread004, TestSize.Level0)
     EXPECT_EQ(times, 0);
     test->NotifyExitSync();
     sleep(1);
-    EXPECT_EQ(pthread_equal(test->GetThread() ,-1) != 0, (test->IsRunning() ? false : true));
+    EXPECT_EQ(pthread_equal(test->GetThread(), -1) != 0, (test->IsRunning() ? false : true));
 }
 
 /*
@@ -280,7 +279,7 @@ HWTEST_F(UtilsThreadTest, testThread005, TestSize.Level0)
     EXPECT_EQ(times, 0);
     test->NotifyExitSync();
     sleep(1);
-    EXPECT_EQ(pthread_equal(test->GetThread() ,-1) != 0, (test->IsRunning() ? false : true));
+    EXPECT_EQ(pthread_equal(test->GetThread(), -1) != 0, (test->IsRunning() ? false : true));
 }
 
 /*
@@ -298,7 +297,7 @@ HWTEST_F(UtilsThreadTest, testThread006, TestSize.Level0)
     sleep(1); // let the new thread has chance to run
 
     // pthread_equal return non-zero if equal, RUN return false,may exit already
-    EXPECT_EQ(pthread_equal(test->GetThread() ,-1) != 0, (test->IsRunning() ? false : true));
+    EXPECT_EQ(pthread_equal(test->GetThread(), -1) != 0, (test->IsRunning() ? false : true));
 
     // ReadyToWork return true, RUN will be called!
     EXPECT_EQ(test->priority_, THREAD_PROI_LOW);
@@ -308,11 +307,11 @@ HWTEST_F(UtilsThreadTest, testThread006, TestSize.Level0)
     EXPECT_EQ(times, 0);
 
     times = 100;
-    EXPECT_GT(test->data_, 10);    
+    EXPECT_GT(test->data_, 10);
 
     sleep(1); // let the new thread has chance to run
 
     // times > 10, TestRun03 return false, thread exit
-    EXPECT_EQ(pthread_equal(test->GetThread() ,-1) != 0, (test->IsRunning() ? false : true));
+    EXPECT_EQ(pthread_equal(test->GetThread(), -1) != 0, (test->IsRunning() ? false : true));
 }
 
diff --git a/base/test/unittest/common/utils_timer_test.cpp b/base/test/unittest/common/utils_timer_test.cpp
index 9f3c3a0c8343b42ae94ad7460bae85b0eb6a5d7c..392cc74801c16fb590c3adc87914c1931f6fa44b 100755
--- a/base/test/unittest/common/utils_timer_test.cpp
+++ b/base/test/unittest/common/utils_timer_test.cpp
@@ -145,7 +145,7 @@ HWTEST_F(UtilsTimerTest, testTimer004, TestSize.Level0)
 
 class A {
 public:
-    explicit A(int data) : data_(data), timer_("ATimer"){}
+    explicit A(int data) : data_(data), timer_("ATimer") {}
     ~A() = default;
     bool Init();
     bool StartTimer(int milliseconds, bool once);