diff --git a/source/dnode/vnode/src/tq/tq.c b/source/dnode/vnode/src/tq/tq.c
index d0269c18b8..85bbfe5a3d 100644
--- a/source/dnode/vnode/src/tq/tq.c
+++ b/source/dnode/vnode/src/tq/tq.c
@@ -1723,25 +1723,28 @@ int32_t tqProcessTaskCheckPointSourceReq(STQ* pTq, SRpcMsg* pMsg, SRpcMsg* pRsp)
   if (status == TASK_STATUS__HALT || status == TASK_STATUS__PAUSE) {
     tqError("s-task:%s not ready for checkpoint, since it is halt, ignore this checkpoint:%" PRId64 ", set it failure",
            pTask->id.idStr, req.checkpointId);
-    taosThreadMutexUnlock(&pTask->lock);
 
+    taosThreadMutexUnlock(&pTask->lock);
     streamMetaReleaseTask(pMeta, pTask);
 
     SRpcMsg rsp = {0};
     buildCheckpointSourceRsp(&req, &pMsg->info, &rsp, 0);
     tmsgSendRsp(&rsp);   // error occurs
+
     return TSDB_CODE_SUCCESS;
   }
 
   // check if the checkpoint msg already sent or not.
   if (status == TASK_STATUS__CK) {
     ASSERT(pTask->checkpointingId == req.checkpointId);
-
     tqWarn("s-task:%s recv checkpoint-source msg again checkpointId:%" PRId64
            " already received, ignore this msg and continue process checkpoint",
            pTask->id.idStr, pTask->checkpointingId);
+
+    taosThreadMutexUnlock(&pTask->lock);
     streamMetaReleaseTask(pMeta, pTask);
-    return code;
+
+    return TSDB_CODE_SUCCESS;
   }
 
   streamProcessCheckpointSourceReq(pTask, &req);