diff --git a/ProductionMgr/Tnb.ProductionMgr/TimeWorkService.cs b/ProductionMgr/Tnb.ProductionMgr/TimeWorkService.cs
index 6e94a14b..d00ffe77 100644
--- a/ProductionMgr/Tnb.ProductionMgr/TimeWorkService.cs
+++ b/ProductionMgr/Tnb.ProductionMgr/TimeWorkService.cs
@@ -365,7 +365,7 @@ namespace Tnb.ProductionMgr
             {
                 return "无载具或数量为0";
             }
-            PrdMoTask prdMoTask = await _db.Queryable<PrdMoTask>().Where(x => x.workline_id == WmsWareHouseConst.XUELUGUAN1XIAN && x.mo_task_status == DictConst.InProgressEnCode && x.parent_id == null).FirstAsync();
+            PrdMoTask prdMoTask = await _db.Queryable<PrdMoTask>().Where(x => x.workline_id == WmsWareHouseConst.XUELUGUAN1XIAN && x.mo_task_status == DictConst.InProgressEnCode && x.parent_id != null).FirstAsync();
             if (prdMoTask == null)
             {
                 return "血路管1线没有进行中的任务单";