去除warn

BasicData/Tnb.BasicData/BasRouteService.cs

@@ -83,7 +83,6 @@ namespace Tnb.BasicData
         /// <summary>
         /// 获取有效的已发布的工艺路线
         /// </summary>
-        /// <param name="parameters"></param>
         [HttpPost]
         public async Task<dynamic> GetValidRouteList([FromBody]VisualDevDataFieldDataListInput pageInput)
         {
@@ -99,8 +98,8 @@ namespace Tnb.BasicData
                     id = x.id,
                     code = x.code,
                     name = x.name,
-                    start_time = x.start_time.Value.ToString("yyyy-MM-dd"),
-                    end_time = x.end_time.Value.ToString("yyyy-MM-dd"),
+                    start_time = x.start_time==null ? "" : x.start_time.Value.ToString("yyyy-MM-dd"),
+                    end_time = x.end_time==null ? "" : x.end_time.Value.ToString("yyyy-MM-dd"),
                 }).ToPagedListAsync(pageInput.currentPage, pageInput.pageSize);
             return PageResult<VaildRouteOutput>.SqlSugarPageResult(result);
         }