diff --git a/VOL.Ai/Services/AiAppService.cs b/VOL.Ai/Services/AiAppService.cs
index 14dd53a..769105a 100644
--- a/VOL.Ai/Services/AiAppService.cs
+++ b/VOL.Ai/Services/AiAppService.cs
@@ -582,7 +582,7 @@ namespace VOL.Ai.Services
         public async Task<List<Ai_ItemTypeModel>> TeachingItems(Ai_Request paramDto)
         {
             var list = await (
-                from s in _studentRepository.DbContext.Set<Ai_Special>()
+                from s in _studentRepository.DbContext.Set<JS_Special>()
                 select new Ai_ItemTypeModel()
                 {
                     ItemCode = s.Id,
@@ -604,7 +604,7 @@ namespace VOL.Ai.Services
             }
 
             var result = await (
-                    from s in _studentRepository.DbContext.Set<Ai_Special>()
+                    from s in _studentRepository.DbContext.Set<JS_Special>()
                     where s.Id == paramDto.ItemCode
                     select new Ai_TeachingItemsDetailModel
                     {