fix 处理营业点分配功能问题

Src/Dlhis.Canteen/Order/Services/Implements/BalanceService.cs

@@ -303,7 +303,7 @@ public class BalanceService : IBalanceService
             .WhereIF(request.SearchDateTimePeriod?.End.HasValue == true, record => record.CostDate <= request.SearchDateTimePeriod.End)
             .WhereIF(request.ApplicationType.HasValue, record => record.ApplicationType == request.ApplicationType)
             .Where((record, ga) => ga.Code == jinkoCode)
-            .OrderBy(record => record.CreateTime, OrderByType.Desc)
+            .OrderBy(record => record.CostDateTime)
             .Select((record, ga, department, bPlace) => new BalanceRecordUserPageResponse
             {
                 Id = record.Id,
@@ -621,7 +621,7 @@ public class BalanceService : IBalanceService
                              .Where(x => x.Code == request.UserCode)
                              .SingleAsync();
 
-            (gainfo == null).ThrowIfTrue($"工号{request.UserCode}不存在");
+            gainfo.ThrowIfNull($"工号{request.UserCode}不存在");
 
             await _dbContext.InsertAsync(new BalanceRecordEntity
             {
@@ -686,7 +686,7 @@ public class BalanceService : IBalanceService
         }
     }
 
-    
+
     public async Task ReCalcAsync(BalanceReCalcRequest request)
     {
         await CommonHelper.RetryAsync(async () =>