diff --git a/src/inc/tsdb.h b/src/inc/tsdb.h
index 9f80b4e6acb483207d771cbbf1245ca568ec48d9..15e6d5920fa26ce7267bee45f58c997bbc8398d8 100644
--- a/src/inc/tsdb.h
+++ b/src/inc/tsdb.h
@@ -421,7 +421,7 @@ bool tsdbNoProblem(STsdbRepo* pRepo);
 // unit of walSize: MB
 int tsdbCheckWal(STsdbRepo *pRepo, uint32_t walSize);
 
-int tsdbGetNumOfWaitCommit(STsdbRepo *pRepo, int *nNum);
+int tsdbGetValOfWaitCommit(STsdbRepo *pRepo, int *nVal);
 
 #ifdef __cplusplus
 }
diff --git a/src/tsdb/src/tsdbMain.c b/src/tsdb/src/tsdbMain.c
index 10cfacca57a543886c85f52a6c2ea9c4a911de6e..da68cb63919cb9767c97009e662346b1c8f44cac 100644
--- a/src/tsdb/src/tsdbMain.c
+++ b/src/tsdb/src/tsdbMain.c
@@ -199,8 +199,8 @@ int tsdbCheckCommit(STsdbRepo *pRepo) {
   return 0;
 }
 
-int tsdbGetNumOfWaitCommit(STsdbRepo *pRepo, int *nNum) {
-  if (sem_getvalue(&pRepo->readyToCommit, nNum) != 0) {
+int tsdbGetValOfWaitCommit(STsdbRepo *pRepo, int *nVal) {
+  if (sem_getvalue(&pRepo->readyToCommit, nVal) != 0) {
     tsdbError("vgId:%d failed to sem_getvalue of readyToCommit", REPO_ID(pRepo));
     return -1;
   }
diff --git a/src/vnode/src/vnodeWrite.c b/src/vnode/src/vnodeWrite.c
index 0b6064474a925474390c71f4c09ce0052ff33a2f..efbdfed80ec276a77647eefefe12a1a38e16df70 100644
--- a/src/vnode/src/vnodeWrite.c
+++ b/src/vnode/src/vnodeWrite.c
@@ -169,14 +169,14 @@ static int32_t vnodeProcessSubmitMsg(SVnodeObj *pVnode, void *pCont, SRspRet *pR
 }
 
 static int32_t vnodeCheckWal(SVnodeObj *pVnode) {
-  // no need to check wal size to trigger commit if:
-  // 1) vnode in committing state;
-  // 2) other instance wait to commit;
-  int nWaitCommit = 0;
-  if (tsdbGetNumOfWaitCommit(pVnode->tsdb, &nWaitCommit) != 0) {
+  int nVal = 0;
+  if (tsdbGetValOfWaitCommit(pVnode->tsdb, &nVal) != 0) {
     return -1;
   }
-  if ((nWaitCommit > 0) && (pVnode->isCommiting == 0)) {
+  // no need to check wal size to trigger commit if:
+  // 1) have instances waiting to commit;
+  // or 2) vnode in committing state;
+  if ((nVal > 0) && (pVnode->isCommiting == 0)) {
     return tsdbCheckWal(pVnode->tsdb, walGetFSize(pVnode->wal) >> 20);
   }
   return 0;