diff --git a/include/libs/sync/sync.h b/include/libs/sync/sync.h
index ffe435a8b2..1176094630 100644
--- a/include/libs/sync/sync.h
+++ b/include/libs/sync/sync.h
@@ -89,7 +89,7 @@ typedef struct SSyncFSM {
 struct SSyncRaftEntry;
 typedef struct SSyncRaftEntry SSyncRaftEntry;
 
-#define SYNC_INDEX_BEGIN   0
+#define SYNC_INDEX_BEGIN 0
 #define SYNC_INDEX_INVALID -1
 
 // abstract definition of log store in raft
diff --git a/source/libs/sync/src/syncEnv.c b/source/libs/sync/src/syncEnv.c
index 4b2bc4130a..945d59646b 100644
--- a/source/libs/sync/src/syncEnv.c
+++ b/source/libs/sync/src/syncEnv.c
@@ -37,7 +37,7 @@ bool syncEnvIsStart() {
 int32_t syncEnvStart() {
   int32_t ret = 0;
   taosSeedRand(taosGetTimestampSec());
-  //gSyncEnv = doSyncEnvStart(gSyncEnv);
+  // gSyncEnv = doSyncEnvStart(gSyncEnv);
   gSyncEnv = doSyncEnvStart();
   assert(gSyncEnv != NULL);
   sTrace("syncEnvStart ok!");
@@ -97,14 +97,14 @@ static SSyncEnv *doSyncEnvStart() {
   // start tmr thread
   pSyncEnv->pTimerManager = taosTmrInit(1000, 50, 10000, "SYNC-ENV");
 
-  atomic_store_8(&(pSyncEnv->isStart), 1); 
+  atomic_store_8(&(pSyncEnv->isStart), 1);
   return pSyncEnv;
 }
 
 static int32_t doSyncEnvStop(SSyncEnv *pSyncEnv) {
   assert(pSyncEnv == gSyncEnv);
   if (pSyncEnv != NULL) {
-    atomic_store_8(&(pSyncEnv->isStart), 0); 
+    atomic_store_8(&(pSyncEnv->isStart), 0);
     taosTmrCleanUp(pSyncEnv->pTimerManager);
     taosMemoryFree(pSyncEnv);
   }
diff --git a/source/libs/sync/src/syncMain.c b/source/libs/sync/src/syncMain.c
index 262c9d5530..2dda089349 100644
--- a/source/libs/sync/src/syncMain.c
+++ b/source/libs/sync/src/syncMain.c
@@ -459,18 +459,17 @@ void syncNodeStart(SSyncNode* pSyncNode) {
   // start raft
   if (pSyncNode->replicaNum == 1) {
     syncNodeBecomeLeader(pSyncNode);
-    
+
     syncNodeLog2("==state change become leader immediately==", pSyncNode);
-    
+
     // Raft 3.6.2 Committing entries from previous terms
-    
+
     // use this now
     syncNodeAppendNoop(pSyncNode);
     syncMaybeAdvanceCommitIndex(pSyncNode);  // maybe only one replica
     return;
   }
 
-
   syncNodeBecomeFollower(pSyncNode);
 
   // for test