diff --git a/DOAN.Service/MES/product/ProweekplanManageService.cs b/DOAN.Service/MES/product/ProweekplanManageService.cs
index 70c4900..e76db23 100644
--- a/DOAN.Service/MES/product/ProweekplanManageService.cs
+++ b/DOAN.Service/MES/product/ProweekplanManageService.cs
@@ -558,6 +558,10 @@ namespace DOAN.Service.MES.product
             //获取周的日期开始到结束
             var WeekStartAndEnd = Context.Queryable<ProWeeklyPlan>().Where(it => it.PlanYear == year && it.PlanWeek == week)
                    .Select(it => new { it.PlanStartDate, it.PlanEndDate }).First();
+            if(WeekStartAndEnd == null)
+            {
+                return result;
+            }
             DateTime WeekStartDate = WeekStartAndEnd.PlanStartDate;
             DateTime WeekEndDate = WeekStartAndEnd.PlanEndDate;
             //