无法删除科室字典部分数据

performance/Performance.Services/PersonService.cs

@@ -464,8 +464,10 @@ public bool UpdateDeptDic(DeptdicResponse request)
         /// <returns></returns>
         public bool DeleteDeptDic(DeptdicResponse request)
         {
-            var deptdics = perdeptdicRepository.GetEntities(t => (t.HISDeptName ?? "") == request.HISDeptName
-            && (t.Department ?? "") == request.Department && t.HospitalId == request.HospitalId);
+            if (request == null)
+                throw new PerformanceException("科室记录不存在!");
+
+            var deptdics = perdeptdicRepository.GetEntities(t => t.HISDeptName == request.HISDeptName && t.Department == request.Department && t.HospitalId == request.HospitalId);
             if (deptdics == null || !deptdics.Any())
                 throw new PerformanceException("科室记录不存在!");