diff --git a/src/kit/taosdemo/taosdemo.c b/src/kit/taosdemo/taosdemo.c
index 265786915074dcdbc8eee278ddbcea820266b0a9..c83b8349b74df42c95aab8f03739bd3fab5d1637 100644
--- a/src/kit/taosdemo/taosdemo.c
+++ b/src/kit/taosdemo/taosdemo.c
@@ -5698,7 +5698,7 @@ static void startMultiThreadInsertData(int threads, char* db_name,
   }
 
   uint64_t ntables = 0;
-  uint startFrom;
+  uint64_t startFrom;
 
   if (superTblInfo) {
     int64_t limit;