diff --git a/src/client/src/tscSQLParser.c b/src/client/src/tscSQLParser.c
index 4b6b6d585d..ece2ea5e92 100644
--- a/src/client/src/tscSQLParser.c
+++ b/src/client/src/tscSQLParser.c
@@ -7502,10 +7502,9 @@ int32_t loadAllTableMeta(SSqlObj* pSql, struct SSqlInfo* pInfo) {
   uint32_t maxSize = tscGetTableMetaMaxSize();
   char     name[TSDB_TABLE_FNAME_LEN] = {0};
 
-  // char buf[80 * 1024] = {0};
   assert(maxSize < 80 * TSDB_MAX_COLUMNS);
   if (!pSql->pBuf) {
-    if (NULL == (pSql->pBuf = calloc(1, 80 * TSDB_MAX_COLUMNS))) {
+    if (NULL == (pSql->pBuf = tcalloc(1, 80 * TSDB_MAX_COLUMNS))) {
       return TSDB_CODE_TSC_OUT_OF_MEMORY;
     }
   }
diff --git a/src/client/src/tscServer.c b/src/client/src/tscServer.c
index dbc53c5429..49cbf8b600 100644
--- a/src/client/src/tscServer.c
+++ b/src/client/src/tscServer.c
@@ -2509,10 +2509,9 @@ int32_t tscGetTableMetaImpl(SSqlObj* pSql, STableMetaInfo *pTableMetaInfo, bool
   taosHashGetClone(tscTableMetaInfo, name, len, NULL, pTableMetaInfo->pTableMeta, -1);
 
   // TODO resize the tableMeta
-  // char buf[80 * TSDB_MAX_COLUMNS] = {0};
   assert(size < 80 * TSDB_MAX_COLUMNS);
   if (!pSql->pBuf) {
-    if (NULL == (pSql->pBuf = calloc(1, 80 * TSDB_MAX_COLUMNS))) {
+    if (NULL == (pSql->pBuf = tcalloc(1, 80 * TSDB_MAX_COLUMNS))) {
       return TSDB_CODE_TSC_OUT_OF_MEMORY;
     }
   }