diff --git a/source/dnode/mgmt/node_mgmt/src/dmTransport.c b/source/dnode/mgmt/node_mgmt/src/dmTransport.c
index 7f9a261cf27083c922dca5af9b66f206e2a2d0f6..c1ee87657d264b00cfcdcb0b249d1b1a1de01b28 100644
--- a/source/dnode/mgmt/node_mgmt/src/dmTransport.c
+++ b/source/dnode/mgmt/node_mgmt/src/dmTransport.c
@@ -284,9 +284,9 @@ int32_t dmInitClient(SDnode *pDnode) {
   rpcInit.failFastThreshold = 3;    // failed threshold
   rpcInit.ffp = dmFailFastFp;
 
-  int32_t connLimitNum = 10000 / (tsNumOfRpcThreads * 3);
-  connLimitNum = TMAX(connLimitNum, 100);
-  connLimitNum = TMIN(connLimitNum, 500);
+  int32_t connLimitNum = 1000 / (tsNumOfRpcThreads * 3);
+  connLimitNum = TMAX(connLimitNum, 10);
+  connLimitNum = TMIN(connLimitNum, 100);
 
   rpcInit.connLimitNum = connLimitNum;
   rpcInit.connLimitLock = 1;