diff --git a/src/mnode/src/mnodeProfile.c b/src/mnode/src/mnodeProfile.c
index 17a4282d05935684df4ab6585fef5f2398a62979..f0ff016694086586b55c7d1ef633bdbf5ad97851 100644
--- a/src/mnode/src/mnodeProfile.c
+++ b/src/mnode/src/mnodeProfile.c
@@ -123,8 +123,9 @@ SConnObj *mnodeAccquireConn(int32_t connId, char *user, uint32_t ip, uint16_t po
   if (/* pConn->ip != ip || */ pConn->port != port /* || strcmp(pConn->user, user) != 0 */) {
     mDebug("connId:%d, incoming conn user:%s ip:%s:%u, not match exist conn user:%s ip:%s:%u", connId, user,
            taosIpStr(ip), port, pConn->user, taosIpStr(pConn->ip), pConn->port);
-    taosCacheRelease(tsMnodeConnCache, (void **)&pConn, false);
-    return NULL;
+    pConn->port = port;
+    //taosCacheRelease(tsMnodeConnCache, (void **)&pConn, false);
+    //return NULL;
   }
 
   // mDebug("connId:%d, is incoming, user:%s ip:%s:%u", connId, pConn->user, taosIpStr(pConn->ip), pConn->port);
diff --git a/src/mnode/src/mnodeShow.c b/src/mnode/src/mnodeShow.c
index c0fa6368f302387a4cec841215761063be7415d8..5fe22826b7d0a2270300bacc3d1ae8f59d346a54 100644
--- a/src/mnode/src/mnodeShow.c
+++ b/src/mnode/src/mnodeShow.c
@@ -253,10 +253,6 @@ static int32_t mnodeProcessHeartBeatMsg(SMnodeMsg *pMsg) {
     
   int32_t connId = htonl(pHBMsg->connId);
   SConnObj *pConn = mnodeAccquireConn(connId, connInfo.user, connInfo.clientIp, connInfo.clientPort);
-  if (pConn == NULL) {
-    pHBMsg->pid = htonl(pHBMsg->pid);
-    pConn = mnodeCreateConn(connInfo.user, connInfo.clientIp, connInfo.clientPort, pHBMsg->pid, pHBMsg->appName);
-  }
 
   if (pConn == NULL) {
     // do not close existing links, otherwise