diff --git a/src/kiwi.cc b/src/kiwi.cc
index ed8ff95..3eac895 100644
--- a/src/kiwi.cc
+++ b/src/kiwi.cc
@@ -89,7 +89,7 @@ bool KiwiDB::ParseArgs(int argc, char* argv[]) {
     return false;
   }
   if (options_.GetConfigName().empty() && argc > 1 && argv[1] != nullptr) {
-    struct stat st {};
+    struct stat st{};
     if (stat(argv[1], &st) == 0 && S_ISREG(st.st_mode) && ::access(argv[1], R_OK) == 0) {
       options_.SetConfigName(argv[1]);
       argc = argc - 1;
diff --git a/src/net/epoll_event.cc b/src/net/epoll_event.cc
index c83413c..fbd7514 100644
--- a/src/net/epoll_event.cc
+++ b/src/net/epoll_event.cc
@@ -42,7 +42,7 @@ bool EpollEvent::Init() {
 }
 
 void EpollEvent::AddEvent(uint64_t id, int fd, int mask) {
-  struct epoll_event ev {};
+  struct epoll_event ev{};
   ev.events = mask;
   ev.data.u64 = id;
   if (epoll_ctl(EvFd(), EPOLL_CTL_ADD, fd, &ev) == -1) {
@@ -61,7 +61,7 @@ void EpollEvent::EventPoll() {
 }
 
 void EpollEvent::AddWriteEvent(uint64_t id, int fd) {
-  struct epoll_event ev {};
+  struct epoll_event ev{};
   ev.events = EVENT_WRITE;
   ev.data.u64 = id;
   if (mode_ & EVENT_MODE_READ) {  // If it is a read multiplex, modify the event
@@ -77,7 +77,7 @@ void EpollEvent::AddWriteEvent(uint64_t id, int fd) {
 }
 
 void EpollEvent::DelWriteEvent(uint64_t id, int fd) {
-  struct epoll_event ev {};
+  struct epoll_event ev{};
   ev.data.u64 = id;
   if (mode_ & EVENT_MODE_READ) {  // If it is a read multiplex, modify the event to rea
     ev.events = EVENT_READ;
diff --git a/src/net/kqueue_event.cc b/src/net/kqueue_event.cc
index 072548e..1178f88 100644
--- a/src/net/kqueue_event.cc
+++ b/src/net/kqueue_event.cc
@@ -92,7 +92,7 @@ void KqueueEvent::EventPoll() {
 void KqueueEvent::EventRead() {
   struct kevent events[eventsSize];
   struct timespec *pTimeout = nullptr;
-  struct timespec timeout {};
+  struct timespec timeout{};
   if (timer_) {
     pTimeout = &timeout;
     int waitInterval = static_cast<int>(timer_->Interval());
diff --git a/src/net/listen_socket.cc b/src/net/listen_socket.cc
index 093ef8e..ca3f183 100644
--- a/src/net/listen_socket.cc
+++ b/src/net/listen_socket.cc
@@ -20,7 +20,7 @@ const int ListenSocket::LISTENQ = 1024;
 bool ListenSocket::REUSE_PORT = true;
 
 int ListenSocket::OnReadable(const std::shared_ptr<Connection> &conn, std::string *readBuff) {
-  struct sockaddr_in clientAddr {};
+  struct sockaddr_in clientAddr{};
   auto newConnFd = Accept(&clientAddr);
   if (newConnFd == 0) {
     ERROR("ListenSocket fd:{},Accept error:{}", Fd(), errno);
diff --git a/src/net/timer.cc b/src/net/timer.cc
index 6394972..db651b1 100644
--- a/src/net/timer.cc
+++ b/src/net/timer.cc
@@ -23,7 +23,9 @@ int64_t Timer::AddTask(const std::shared_ptr<ITimerTask>& task) {
 void Timer::RePushTask() {
   for (const auto& task : list_) {
     task->Next();
-    { queue_.push(task); }
+    {
+      queue_.push(task);
+    }
   }
   list_.clear();
 }
diff --git a/src/storage/src/debug.h b/src/storage/src/debug.h
index 0e7da3d..47548db 100644
--- a/src/storage/src/debug.h
+++ b/src/storage/src/debug.h
@@ -9,5 +9,6 @@
 #  define TRACE(M, ...) fprintf(stderr, "[TRACE] (%s:%d) " M "\n", __FILE__, __LINE__, ##__VA_ARGS__)
 #else
 #  define TRACE(M, ...) \
-    {}
+    {                   \
+    }
 #endif  // NDEBUG
diff --git a/src/storage/src/options_helper.h b/src/storage/src/options_helper.h
index 74c02a5..c5fd7bb 100644
--- a/src/storage/src/options_helper.h
+++ b/src/storage/src/options_helper.h
@@ -29,7 +29,7 @@ struct MemberTypeInfo {
 // http://en.cppreference.com/w/cpp/concept/StandardLayoutType
 // https://gist.github.com/graphitemaster/494f21190bb2c63c5516
 template <typename T1, typename T2>
-inline int offset_of(T1 T2::*member) {
+inline int offset_of(T1 T2::* member) {
   static T2 obj;
   return int(size_t(&(obj.*member)) - size_t(&obj));
 }