diff --git a/source/dnode/mnode/impl/src/mndVgroup.c b/source/dnode/mnode/impl/src/mndVgroup.c
index 0b24b570a5..3eb3a6cd1f 100644
--- a/source/dnode/mnode/impl/src/mndVgroup.c
+++ b/source/dnode/mnode/impl/src/mndVgroup.c
@@ -639,6 +639,7 @@ static int32_t mndRetrieveVgroups(SRpcMsg *pReq, SShowObj *pShow, SSDataBlock *p
     if (pShow->pIter == NULL) break;
 
     if (pDb != NULL && pVgroup->dbUid != pDb->uid) {
+      sdbRelease(pSdb, pVgroup);
       continue;
     }