diff --git a/source/common/src/tglobal.c b/source/common/src/tglobal.c
index 3bcfddb8b2a186c4fd92519981e207a8e629dfd7..d1a3f38143371b5fb97c94c38e45c930bbc151c1 100644
--- a/source/common/src/tglobal.c
+++ b/source/common/src/tglobal.c
@@ -407,7 +407,7 @@ static int32_t taosAddServerCfg(SConfig *pCfg) {
 
   tsNumOfQnodeQueryThreads = tsNumOfCores * 2;
   tsNumOfQnodeQueryThreads = TMAX(tsNumOfQnodeQueryThreads, 4);
-  if (cfgAddInt32(pCfg, "numOfQnodeQueryThreads", tsNumOfQnodeQueryThreads, 1, 1024, 0) != 0) return -1;
+  if (cfgAddInt32(pCfg, "numOfQnodeQueryThreads", tsNumOfQnodeQueryThreads, 4, 1024, 0) != 0) return -1;
 
   //  tsNumOfQnodeFetchThreads = tsNumOfCores / 2;
   //  tsNumOfQnodeFetchThreads = TMAX(tsNumOfQnodeFetchThreads, 4);