diff --git a/source/dnode/mgmt/node_mgmt/src/dmTransport.c b/source/dnode/mgmt/node_mgmt/src/dmTransport.c
index c1ee87657d..659dae142e 100644
--- a/source/dnode/mgmt/node_mgmt/src/dmTransport.c
+++ b/source/dnode/mgmt/node_mgmt/src/dmTransport.c
@@ -286,7 +286,7 @@ int32_t dmInitClient(SDnode *pDnode) {
 
   int32_t connLimitNum = 1000 / (tsNumOfRpcThreads * 3);
   connLimitNum = TMAX(connLimitNum, 10);
-  connLimitNum = TMIN(connLimitNum, 100);
+  connLimitNum = TMIN(connLimitNum, 50);
 
   rpcInit.connLimitNum = connLimitNum;
   rpcInit.connLimitLock = 1;