获取绩效列表数据时，如果不存在，返回空列表

performance/Performance.Services/CostTransfer/CostTransferService.cs

@@ -567,10 +567,10 @@ private per_allot PrevAllot(int hospitalId, int allotId)
         private List<per_allot> PrevAllotList(int hospitalId, int allotId)
         {
             var allotList = perallotRepository.GetEntities(w => w.HospitalId == hospitalId)?.OrderBy(s => s.Year).ThenBy(s => s.Month).ToList();
-            if (allotList == null || !allotList.Any()) throw new PerformanceException("未查询到符合的绩效记录");
+            if (allotList == null || !allotList.Any()) return new List<per_allot>();
 
             var allot = allotList.FirstOrDefault(w => w.ID == allotId);
-            if (allot == null) throw new PerformanceException("未查询到符合的绩效记录");
+            if (allot == null) return new List<per_allot>();
 
             return allotList.Where(t => t.Year <= allot.Year && t.Month <= allot.Month)?.ToList();
         }