diff --git a/Backend/Controllers/SystemCategoryController.cs b/Backend/Controllers/SystemCategoryController.cs
index e063514..d183bf2 100644
--- a/Backend/Controllers/SystemCategoryController.cs
+++ b/Backend/Controllers/SystemCategoryController.cs
@@ -577,7 +577,7 @@ namespace Backend.Controllers
                         { "@updated_at", DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss")},
                     };
 
-                    await backendRepository.UpdateOneByCustomTable(Device_itemDic, "device_item", "id='" + device_Item.id + "'");
+                    await backendRepository.UpdateOneByCustomTable(Device_itemDic, "device_item", $"points='{device_Item.points}'");
 
                     apiResult.Code = "0000";
                     apiResult.Msg = "修改成功";