diff --git a/src/query/src/qExecutor.c b/src/query/src/qExecutor.c
index 17e39f031e329a786db2bca7a27322887d7c8d43..98a4cf2c423dd7b997a3fb59718b93dfae9a3ebf 100644
--- a/src/query/src/qExecutor.c
+++ b/src/query/src/qExecutor.c
@@ -7233,7 +7233,7 @@ void qCleanupQueryMgmt(void* pQMgmt) {
   pthread_mutex_destroy(&pQueryMgmt->lock);
   tfree(pQueryMgmt);
 
-  qDebug("vgId:%d queryMgmt cleanup completed", vgId);
+  qDebug("vgId:%d, queryMgmt cleanup completed", vgId);
 }
 
 void** qRegisterQInfo(void* pMgmt, uint64_t qInfo) {
diff --git a/src/sync/src/syncMain.c b/src/sync/src/syncMain.c
index ef1ada4c2efd4967bdfee871596a61806db46a15..5c92801cc389df6745377d81b4110ccf8fbc8441 100644
--- a/src/sync/src/syncMain.c
+++ b/src/sync/src/syncMain.c
@@ -486,7 +486,7 @@ static SSyncPeer *syncAddPeer(SSyncNode *pNode, const SNodeInfo *pInfo) {
   pPeer->ip = ip;
   pPeer->port = pInfo->nodePort;
   pPeer->fqdn[sizeof(pPeer->fqdn) - 1] = 0;
-  snprintf(pPeer->id, sizeof(pPeer->id), "vgId:%d peer:%s:%u", pNode->vgId, pPeer->fqdn, pPeer->port);
+  snprintf(pPeer->id, sizeof(pPeer->id), "vgId:%d, peer:%s:%u", pNode->vgId, pPeer->fqdn, pPeer->port);
 
   pPeer->peerFd = -1;
   pPeer->syncFd = -1;
diff --git a/src/sync/src/tarbitrator.c b/src/sync/src/tarbitrator.c
index ae8f2ea518204d57891aa71ac7b4f3ee9e863ed7..b7f819a3cd8f890d3580352322d8313f7cb2828e 100644
--- a/src/sync/src/tarbitrator.c
+++ b/src/sync/src/tarbitrator.c
@@ -128,7 +128,7 @@ static void arbProcessIncommingConnection(int32_t connFd, uint32_t sourceIp) {
   }
 
   firstPkt.fqdn[sizeof(firstPkt.fqdn) - 1] = 0;
-  snprintf(pNode->id, sizeof(pNode->id), "vgId:%d peer:%s:%d", firstPkt.sourceId, firstPkt.fqdn, firstPkt.port);
+  snprintf(pNode->id, sizeof(pNode->id), "vgId:%d, peer:%s:%d", firstPkt.sourceId, firstPkt.fqdn, firstPkt.port);
   if (firstPkt.syncHead.vgId) {
     sDebug("%s, vgId in head is not zero, close the connection", pNode->id);
     tfree(pNode);
diff --git a/src/tsdb/src/tsdbBuffer.c b/src/tsdb/src/tsdbBuffer.c
index dcc9d4ca1be724faba27a7479c340d5881f38432..7cea27658c80d689972e3cb0f5dda3269a34b720 100644
--- a/src/tsdb/src/tsdbBuffer.c
+++ b/src/tsdb/src/tsdbBuffer.c
@@ -110,7 +110,7 @@ void tsdbCloseBufPool(STsdbRepo *pRepo) {
     }
   }
 
-  tsdbDebug("vgId:%d buffer pool is closed", REPO_ID(pRepo));
+  tsdbDebug("vgId:%d, buffer pool is closed", REPO_ID(pRepo));
 }
 
 SListNode *tsdbAllocBufBlockFromPool(STsdbRepo *pRepo) {
@@ -134,7 +134,7 @@ SListNode *tsdbAllocBufBlockFromPool(STsdbRepo *pRepo) {
   pBufBlock->offset = 0;
   pBufBlock->remain = pBufPool->bufBlockSize;
 
-  tsdbDebug("vgId:%d buffer block is allocated, blockId:%" PRId64, REPO_ID(pRepo), pBufBlock->blockId);
+  tsdbDebug("vgId:%d, buffer block is allocated, blockId:%" PRId64, REPO_ID(pRepo), pBufBlock->blockId);
   return pNode;
 }
 
diff --git a/src/vnode/src/vnodeRead.c b/src/vnode/src/vnodeRead.c
index 55ddf3a34b42ea82ee169d2f25aeea23b3c0c972..9fa3a11c9c659b44a4edc12110969feb6779a8b7 100644
--- a/src/vnode/src/vnodeRead.c
+++ b/src/vnode/src/vnodeRead.c
@@ -229,7 +229,7 @@ static int32_t vnodeProcessQueryMsg(SVnodeObj *pVnode, SVReadMsg *pRead) {
       if (handle == NULL) {  // failed to register qhandle
         pRsp->code = terrno;
         terrno = 0;
-        vError("vgId:%d QInfo:%p register qhandle failed, return to app, code:%s", pVnode->vgId, (void *)pQInfo,
+        vError("vgId:%d, QInfo:%p register qhandle failed, return to app, code:%s", pVnode->vgId, (void *)pQInfo,
                tstrerror(pRsp->code));
         qDestroyQueryInfo(pQInfo);  // destroy it directly
         return pRsp->code;