diff --git a/src/mnode/src/mnodeMain.c b/src/mnode/src/mnodeMain.c
index 05ea0b93a1a8c505f8f5ea1ab0206265a68c001e..b4c63c05e6ad5b1233f0e860e5ffaa7aaa298f71 100644
--- a/src/mnode/src/mnodeMain.c
+++ b/src/mnode/src/mnodeMain.c
@@ -55,7 +55,6 @@ typedef struct {
 } SMnodeComponent;
 
 void   *tsMnodeTmr = NULL;
-static bool       tsMgmtIsRunning = false;
 static EMndStatus tsMgmtStatus = TSDB_MND_STATUS_NOT_RUNNING;
 
 static const SMnodeComponent tsMnodeComponents[] = {
@@ -139,7 +138,7 @@ int32_t mnodeInitSystem() {
 }
 
 void mnodeCleanupSystem() {
-  if (tsMgmtIsRunning) {
+  if (mnodeIsRunning()) {
     mInfo("starting to clean up mnode");
     tsMgmtStatus = TSDB_MND_STATUS_CLEANING;
 
diff --git a/src/rpc/src/rpcMain.c b/src/rpc/src/rpcMain.c
index 044fe8c20400f613dbd96d78459ac41d27a4ab0a..c8f6a031d041536c68aab8c1486b10de614c6423 100644
--- a/src/rpc/src/rpcMain.c
+++ b/src/rpc/src/rpcMain.c
@@ -1559,13 +1559,18 @@ static int rpcCheckAuthentication(SRpcConn *pConn, char *msg, int msgLen) {
   if ( !rpcIsReq(pHead->msgType) ) {
     // for response, if code is auth failure, it shall bypass the auth process
     code = htonl(pHead->code);
-    if (code != 0) { 
-      // tTrace("%s, dont check authentication since code is:0x%x", pConn->info, code);
-      pHead->msgLen = (int32_t)htonl((uint32_t)pHead->msgLen);
-      return 0;
-    }
+#if 0
+    if (code != 0) {
+#else
+    if (code == TSDB_CODE_RPC_INVALID_TIME_STAMP || code == TSDB_CODE_RPC_AUTH_FAILURE ||
+        code == TSDB_CODE_RPC_AUTH_REQUIRED || code == TSDB_CODE_MND_INVALID_USER || code == TSDB_CODE_RPC_NOT_READY) {
+#endif
+    // tTrace("%s, dont check authentication since code is:0x%x", pConn->info, code);
+    pHead->msgLen = (int32_t)htonl((uint32_t)pHead->msgLen);
+    return 0;
   }
- 
+  }
+
   code = 0;
   if (pHead->spi == pConn->spi) {
     // authentication