diff --git a/source/dnode/mnode/impl/src/mndDnode.c b/source/dnode/mnode/impl/src/mndDnode.c
index 1073ebc316..6ead922d95 100644
--- a/source/dnode/mnode/impl/src/mndDnode.c
+++ b/source/dnode/mnode/impl/src/mndDnode.c
@@ -274,15 +274,14 @@ static void mndGetDnodeData(SMnode *pMnode, SArray *pDnodeEps) {
 
     SDnodeEp dnodeEp = {0};
     dnodeEp.id = pDnode->id;
-    dnodeEp.isMnode = 0;
     dnodeEp.ep.port = pDnode->port;
     memcpy(dnodeEp.ep.fqdn, pDnode->fqdn, TSDB_FQDN_LEN);
+    sdbRelease(pSdb, pDnode);
 
+    dnodeEp.isMnode = 0;
     if (mndIsMnode(pMnode, pDnode->id)) {
       dnodeEp.isMnode = 1;
     }
-
-    sdbRelease(pSdb, pDnode);
     taosArrayPush(pDnodeEps, &dnodeEp);
   }
 }
diff --git a/source/dnode/mnode/sdb/src/sdb.c b/source/dnode/mnode/sdb/src/sdb.c
index fbf66da632..3db0087334 100644
--- a/source/dnode/mnode/sdb/src/sdb.c
+++ b/source/dnode/mnode/sdb/src/sdb.c
@@ -131,7 +131,7 @@ int32_t sdbSetTable(SSdb *pSdb, SSdbTable table) {
     hashType = TSDB_DATA_TYPE_BINARY;
   }
 
-  SHashObj *hash = taosHashInit(64, taosGetDefaultHashFunction(hashType), true, HASH_NO_LOCK);
+  SHashObj *hash = taosHashInit(64, taosGetDefaultHashFunction(hashType), true, HASH_ENTRY_LOCK);
   if (hash == NULL) {
     terrno = TSDB_CODE_OUT_OF_MEMORY;
     return -1;