diff --git a/source/dnode/mnode/impl/src/mndStream.c b/source/dnode/mnode/impl/src/mndStream.c
index ffce9e73db..f901188570 100644
--- a/source/dnode/mnode/impl/src/mndStream.c
+++ b/source/dnode/mnode/impl/src/mndStream.c
@@ -2224,6 +2224,7 @@ static int32_t mndProcessNodeCheckReq(SRpcMsg *pMsg) {
     }
   } else {
     mDebug("no update found in nodeList");
+    taosArrayDestroy(pNodeSnapshot);
   }
 
   taosArrayDestroy(changeInfo.pUpdateNodeList);