diff --git a/IRaCIS.Core.Application/Service/Inspection/InspectionService.cs b/IRaCIS.Core.Application/Service/Inspection/InspectionService.cs
index 4aeef6999..405c11185 100644
--- a/IRaCIS.Core.Application/Service/Inspection/InspectionService.cs
+++ b/IRaCIS.Core.Application/Service/Inspection/InspectionService.cs
@@ -73,7 +73,7 @@ namespace IRaCIS.Core.Application.Service.Inspection
                         };
             var frontAuditList =await query.ToListAsync();
 
-            var result= frontAuditList.Where(x=>x.ParentId==null).OrderBy(x=>x.Sort).ToList();
+            var result= frontAuditList.Where(x=>x.ParentId==default(Guid)).OrderBy(x=>x.Sort).ToList();
             result.ForEach(x =>
             {