fix: memory while use taosx

source/dnode/mnode/impl/src/mndStream.c

@@ -525,6 +525,7 @@ static int32_t mndCreateStbForStream(SMnode *pMnode, STrans *pTrans, const SStre
 
   tFreeSMCreateStbReq(&createReq);
   mndFreeStb(&stbObj);
+  mndReleaseStb(pMnode, pStb);
   mndReleaseDb(pMnode, pDb);
 
   return 0;

source/dnode/mnode/impl/src/mndTopic.c

@@ -434,6 +434,7 @@ static int32_t mndCreateTopic(SMnode *pMnode, SRpcMsg *pReq, SCMCreateTopicReq *
       return -1;
     }
     topicObj.stbUid = pStb->uid;
+    mndReleaseStb(pMnode, pStb);
   }
   /*} else if (pCreate->subType == TOPIC_SUB_TYPE__DB) {*/
   /*topicObj.ast = NULL;*/