diff --git a/source/dnode/mnode/impl/src/mndConfig.c b/source/dnode/mnode/impl/src/mndConfig.c
index f7d0cd9d1b..7b32b8348d 100644
--- a/source/dnode/mnode/impl/src/mndConfig.c
+++ b/source/dnode/mnode/impl/src/mndConfig.c
@@ -506,6 +506,7 @@ static int32_t mndSendCfgDnodeReq(SMnode *pMnode, int32_t dnodeId, SDCfgDnodeReq
         sdbRelease(pMnode->pSdb, pDnode);
         return code;
       }
+      rpcFreeCont(rpcRsp.pCont);
     }
     sdbRelease(pSdb, pDnode);
   }