1

Edu.Repository/Sell/RB_Order_GuestRepository.cs

@@ -853,7 +853,8 @@ WHERE A.Id ={guestId}
             string sql = $@"select og.*,a.LearnCourseId as CourseId FROM rb_order_guest og
 INNER JOIN rb_scroll_appointment a on og.Id = a.GuestId
 INNER JOIN rb_class_time t on t.ClassPlanId = a.ClassPlanId
-WHERE og.Group_Id ={demodel.Group_Id} and a.`Status` =0 and a.State <>5 and t.ClassTimeId ={demodel.ClassTimeId}";
+WHERE og.Group_Id ={demodel.Group_Id} and a.`Status` =0 and a.State <>5 and t.ClassTimeId ={demodel.ClassTimeId}
+group by og.Id";
             return Get<RB_Order_Guest_ViewModel>(sql).ToList();
         }