补助问卷管理删除题目和相关答案失败

Learun.Framework.Ultimate V7/Learun.Framework.Module/Learun.Application.Module/Learun.Application.TwoDevelopment/StudentWork/SW_Ask_Question/SW_Ask_QuestionService.cs

@@ -114,6 +114,7 @@ namespace Learun.Application.TwoDevelopment.StudentWork
                 db.Delete<SW_Ask_Main_QuestionEntity>(x => x.QID == keyValue);
                 //问题答案表
                 db.Delete<SW_Ask_QuestionItemsEntity>(x => x.QID == keyValue);
+                db.Commit();
             }
             catch (Exception ex)
             {