diff --git a/src/kit/taosdemo/taosdemo.c b/src/kit/taosdemo/taosdemo.c
index 7cd9a35a8ab69679f57e28b6417124a896cf2557..0db4b118d76c44ad17a4f293d29821925a119e89 100644
--- a/src/kit/taosdemo/taosdemo.c
+++ b/src/kit/taosdemo/taosdemo.c
@@ -4271,7 +4271,7 @@ void startMultiThreadInsertData(int threads, char* db_name, char* precision, SSu
   }
   cntDelay -= 1;
 
-  assert(cntDelay != 0);
+  if (cntDelay == 0)    cntDelay = 1;
   avgDelay = (double)totalDelay / cntDelay;
 
   double end = getCurrentTime();