diff --git a/src/client/src/tscLocalMerge.c b/src/client/src/tscLocalMerge.c
index d176d026f04898febecf590d312caf182d688f1c..8436777ddfd1563c4a9d7db131a256de65896022 100644
--- a/src/client/src/tscLocalMerge.c
+++ b/src/client/src/tscLocalMerge.c
@@ -915,7 +915,7 @@ static void doFillResult(SSqlObj *pSql, SLocalReducer *pLocalReducer, bool doneO
     if (pQueryInfo->limit.limit >= 0 && pRes->numOfRowsGroup > pQueryInfo->limit.limit) {
       /* impose the limitation of output rows on the final result */
       int32_t prevSize = (int32_t)pFinalDataPage->num;
-	    int32_t overflow = (int32_t)(pRes->numOfRowsGroup - pQueryInfo->limit.limit);
+      int32_t overflow = (int32_t)(pRes->numOfRowsGroup - pQueryInfo->limit.limit);
       assert(overflow < pRes->numOfRows);
 
       pRes->numOfRowsGroup = pQueryInfo->limit.limit;
diff --git a/src/client/src/tscSQLParser.c b/src/client/src/tscSQLParser.c
index 05218dc74c7669ff3d3595a4c248bbc37f738e6d..8e398fbf1fe63207254caed0f1918761373bce8f 100644
--- a/src/client/src/tscSQLParser.c
+++ b/src/client/src/tscSQLParser.c
@@ -1182,7 +1182,7 @@ static int32_t handleArithmeticExpr(SSqlCmd* pCmd, int32_t clauseIndex, int32_t
     char* c = tbufGetData(&bw, true);
 
     // set the serialized binary string as the parameter of arithmetic expression
-	  addExprParams(pExpr, c, TSDB_DATA_TYPE_BINARY, (int32_t)len, index.tableIndex);
+    addExprParams(pExpr, c, TSDB_DATA_TYPE_BINARY, (int32_t)len, index.tableIndex);
 
     insertResultField(pQueryInfo, exprIndex, &columnList, sizeof(double), TSDB_DATA_TYPE_DOUBLE, pExpr->aliasName, pExpr);
 
diff --git a/src/query/src/qResultbuf.c b/src/query/src/qResultbuf.c
index 4c198ac176cb37550bcf7b379f5372ddc7752e68..51ff892b3351eb2a6d077910be1a2cef4420728a 100644
--- a/src/query/src/qResultbuf.c
+++ b/src/query/src/qResultbuf.c
@@ -327,7 +327,7 @@ tFilePage* getResBufPage(SDiskbasedResultBuf* pResultBuf, int32_t id) {
     // no need to update the LRU list if only one page exists
     if (pResultBuf->numOfPages == 1) {
       (*pi)->used = true;
-	    return (void *)(GET_DATA_PAYLOAD(*pi));
+      return (void *)(GET_DATA_PAYLOAD(*pi));
     }
 
     SPageInfo** pInfo = (SPageInfo**) ((*pi)->pn->data);
@@ -336,7 +336,7 @@ tFilePage* getResBufPage(SDiskbasedResultBuf* pResultBuf, int32_t id) {
     lruListMoveToFront(pResultBuf->lruList, (*pi));
     (*pi)->used = true;
 
-	  return (void *)(GET_DATA_PAYLOAD(*pi));
+    return (void *)(GET_DATA_PAYLOAD(*pi));
 
   } else { // not in memory
     assert((*pi)->pData == NULL && (*pi)->pn == NULL && (*pi)->info.length >= 0 && (*pi)->info.offset >= 0);
@@ -358,7 +358,7 @@ tFilePage* getResBufPage(SDiskbasedResultBuf* pResultBuf, int32_t id) {
     (*pi)->used = true;
 
     loadPageFromDisk(pResultBuf, *pi);
-	  return (void *)(GET_DATA_PAYLOAD(*pi));
+    return (void *)(GET_DATA_PAYLOAD(*pi));
   }
 }
 
diff --git a/src/tsdb/src/tsdbRead.c b/src/tsdb/src/tsdbRead.c
index 572af8b3b6aaf898d0ca958cf3e864a1bf60133f..4edbadc72559cbf1c0149377e5238b8c5e878411 100644
--- a/src/tsdb/src/tsdbRead.c
+++ b/src/tsdb/src/tsdbRead.c
@@ -247,7 +247,7 @@ TsdbQueryHandleT* tsdbQueryTables(TSDB_REPO_T* tsdb, STsdbQueryCond* pCond, STab
           .lastKey = pKeyInfo->lastKey,
           .pTableObj = pKeyInfo->pTable,
       };
-	    info.tableId = ((STable*)(pKeyInfo->pTable))->tableId;
+      info.tableId = ((STable*)(pKeyInfo->pTable))->tableId;
 
       assert(info.pTableObj != NULL && (info.pTableObj->type == TSDB_NORMAL_TABLE ||
       info.pTableObj->type == TSDB_CHILD_TABLE || info.pTableObj->type == TSDB_STREAM_TABLE));
diff --git a/src/util/src/tcache.c b/src/util/src/tcache.c
index 7bb7133337561c4cdcc63fd26325a357b137749a..fee7ed3c8b923599a75be13acc44af68329636b2 100644
--- a/src/util/src/tcache.c
+++ b/src/util/src/tcache.c
@@ -388,7 +388,7 @@ void taosCacheRelease(SCacheObj *pCacheObj, void **data, bool _remove) {
         } else {  // ref == 0
           atomic_sub_fetch_64(&pCacheObj->totalSize, pNode->size);
 
-		  int32_t size = (int32_t)taosHashGetSize(pCacheObj->pHashTable);
+          int32_t size = (int32_t)taosHashGetSize(pCacheObj->pHashTable);
           uDebug("cache:%s, key:%p, %p is destroyed from cache, size:%dbytes, num:%d size:%" PRId64 "bytes",
                  pCacheObj->name, pNode->key, pNode->data, pNode->size, size, pCacheObj->totalSize);