diff --git a/source/dnode/vnode/src/tsdb/tsdbCommit.c b/source/dnode/vnode/src/tsdb/tsdbCommit.c
index 2f9e0ece227eb34d95f924a5d736ce7103f8b5cc..5e01a7f4c92b561235c897dd0b74a64174d2a57f 100644
--- a/source/dnode/vnode/src/tsdb/tsdbCommit.c
+++ b/source/dnode/vnode/src/tsdb/tsdbCommit.c
@@ -554,43 +554,44 @@ _err:
 static int32_t tsdbCommitDataBlock(SCommitter *pCommitter) {
   int32_t     code = 0;
   SBlockData *pBlockData = &pCommitter->dWriter.bData;
-  SDataBlk    block;
+  SDataBlk    dataBlk;
 
   ASSERT(pBlockData->nRow > 0);
 
-  tDataBlkReset(&block);
+  tDataBlkReset(&dataBlk);
 
   // info
-  block.nRow += pBlockData->nRow;
+  dataBlk.nRow += pBlockData->nRow;
   for (int32_t iRow = 0; iRow < pBlockData->nRow; iRow++) {
     TSDBKEY key = {.ts = pBlockData->aTSKEY[iRow], .version = pBlockData->aVersion[iRow]};
 
     if (iRow == 0) {
-      if (tsdbKeyCmprFn(&block.minKey, &key) > 0) {
-        block.minKey = key;
+      if (tsdbKeyCmprFn(&dataBlk.minKey, &key) > 0) {
+        dataBlk.minKey = key;
       }
     } else {
       if (pBlockData->aTSKEY[iRow] == pBlockData->aTSKEY[iRow - 1]) {
-        block.hasDup = 1;
+        dataBlk.hasDup = 1;
       }
     }
 
-    if (iRow == pBlockData->nRow - 1 && tsdbKeyCmprFn(&block.maxKey, &key) < 0) {
-      block.maxKey = key;
+    if (iRow == pBlockData->nRow - 1 && tsdbKeyCmprFn(&dataBlk.maxKey, &key) < 0) {
+      dataBlk.maxKey = key;
     }
 
-    block.minVer = TMIN(block.minVer, key.version);
-    block.maxVer = TMAX(block.maxVer, key.version);
+    dataBlk.minVer = TMIN(dataBlk.minVer, key.version);
+    dataBlk.maxVer = TMAX(dataBlk.maxVer, key.version);
   }
 
   // write
-  block.nSubBlock++;
-  code = tsdbWriteBlockData(pCommitter->dWriter.pWriter, pBlockData, &block.aSubBlock[block.nSubBlock - 1],
-                            ((block.nSubBlock == 1) && !block.hasDup) ? &block.smaInfo : NULL, pCommitter->cmprAlg, 0);
+  dataBlk.nSubBlock++;
+  code = tsdbWriteBlockData(pCommitter->dWriter.pWriter, pBlockData, &dataBlk.aSubBlock[dataBlk.nSubBlock - 1],
+                            ((dataBlk.nSubBlock == 1) && !dataBlk.hasDup) ? &dataBlk.smaInfo : NULL,
+                            pCommitter->cmprAlg, 0);
   if (code) goto _err;
 
   // put SDataBlk
-  code = tMapDataPutItem(&pCommitter->dWriter.mBlock, &block, tPutDataBlk);
+  code = tMapDataPutItem(&pCommitter->dWriter.mBlock, &dataBlk, tPutDataBlk);
   if (code) goto _err;
 
   // clear
@@ -605,33 +606,33 @@ _err:
 
 static int32_t tsdbCommitLastBlock(SCommitter *pCommitter) {
   int32_t     code = 0;
-  SSttBlk     blockL;
+  SSttBlk     sstBlk;
   SBlockData *pBlockData = &pCommitter->dWriter.bDatal;
 
   ASSERT(pBlockData->nRow > 0);
 
   // info
-  blockL.suid = pBlockData->suid;
-  blockL.nRow = pBlockData->nRow;
-  blockL.minKey = TSKEY_MAX;
-  blockL.maxKey = TSKEY_MIN;
-  blockL.minVer = VERSION_MAX;
-  blockL.maxVer = VERSION_MIN;
+  sstBlk.suid = pBlockData->suid;
+  sstBlk.nRow = pBlockData->nRow;
+  sstBlk.minKey = TSKEY_MAX;
+  sstBlk.maxKey = TSKEY_MIN;
+  sstBlk.minVer = VERSION_MAX;
+  sstBlk.maxVer = VERSION_MIN;
   for (int32_t iRow = 0; iRow < pBlockData->nRow; iRow++) {
-    blockL.minKey = TMIN(blockL.minKey, pBlockData->aTSKEY[iRow]);
-    blockL.maxKey = TMAX(blockL.maxKey, pBlockData->aTSKEY[iRow]);
-    blockL.minVer = TMIN(blockL.minVer, pBlockData->aVersion[iRow]);
-    blockL.maxVer = TMAX(blockL.maxVer, pBlockData->aVersion[iRow]);
+    sstBlk.minKey = TMIN(sstBlk.minKey, pBlockData->aTSKEY[iRow]);
+    sstBlk.maxKey = TMAX(sstBlk.maxKey, pBlockData->aTSKEY[iRow]);
+    sstBlk.minVer = TMIN(sstBlk.minVer, pBlockData->aVersion[iRow]);
+    sstBlk.maxVer = TMAX(sstBlk.maxVer, pBlockData->aVersion[iRow]);
   }
-  blockL.minUid = pBlockData->uid ? pBlockData->uid : pBlockData->aUid[0];
-  blockL.maxUid = pBlockData->uid ? pBlockData->uid : pBlockData->aUid[pBlockData->nRow - 1];
+  sstBlk.minUid = pBlockData->uid ? pBlockData->uid : pBlockData->aUid[0];
+  sstBlk.maxUid = pBlockData->uid ? pBlockData->uid : pBlockData->aUid[pBlockData->nRow - 1];
 
   // write
-  code = tsdbWriteBlockData(pCommitter->dWriter.pWriter, pBlockData, &blockL.bInfo, NULL, pCommitter->cmprAlg, 1);
+  code = tsdbWriteBlockData(pCommitter->dWriter.pWriter, pBlockData, &sstBlk.bInfo, NULL, pCommitter->cmprAlg, 1);
   if (code) goto _err;
 
   // push SSttBlk
-  if (taosArrayPush(pCommitter->dWriter.aSttBlk, &blockL) == NULL) {
+  if (taosArrayPush(pCommitter->dWriter.aSttBlk, &sstBlk) == NULL) {
     code = TSDB_CODE_OUT_OF_MEMORY;
     goto _err;
   }