diff --git a/source/dnode/mnode/impl/src/mndStreamTrans.c b/source/dnode/mnode/impl/src/mndStreamTrans.c
index bfea4349b0..847f55a8fd 100644
--- a/source/dnode/mnode/impl/src/mndStreamTrans.c
+++ b/source/dnode/mnode/impl/src/mndStreamTrans.c
@@ -92,6 +92,7 @@ bool mndStreamTransConflictCheck(SMnode* pMnode, int64_t streamUid, const char*
       if (strcmp(pTransName, MND_STREAM_DROP_NAME) != 0) {
         mWarn("conflict with other transId:%d streamUid:0x%" PRIx64 ", trans:%s", tInfo.transId, tInfo.streamUid,
               tInfo.name);
+        terrno = TSDB_CODE_MND_TRANS_CONFLICT;
         return true;
       } else {
         mDebug("not conflict with checkpoint trans, name:%s, continue create trans", pTransName);
@@ -100,6 +101,7 @@ bool mndStreamTransConflictCheck(SMnode* pMnode, int64_t streamUid, const char*
                (strcmp(tInfo.name, MND_STREAM_TASK_RESET_NAME) == 0)) {
       mWarn("conflict with other transId:%d streamUid:0x%" PRIx64 ", trans:%s", tInfo.transId, tInfo.streamUid,
             tInfo.name);
+      terrno = TSDB_CODE_MND_TRANS_CONFLICT;
       return true;
     }
   } else {