fix MusicGroupMapper.xml 错误

mec-biz/src/main/resources/config/mybatis/MusicGroupMapper.xml

@@ -68,7 +68,7 @@
          bill_start_date_, improvent_classes_num_, enroll_classes_, payment_expire_date_, is_extra_class_,
          settlement_type_, cooperation_organ_id_, enlightenment_course_time_,
          parent_meeting_time_, img_, director_user_id_, is_classroom_lessons_, memo_, expect_start_group_date_,
-         ownership_type_, repair_user_id_, fee_type_,del_flag)
+         ownership_type_, repair_user_id_, fee_type_,del_flag_)
         VALUES (#{id}, #{name}, #{organId}, #{schoolId}, #{applyExpireDate}, #{teamTeacherId}, #{educationalTeacherId},
                 #{chargeTypeId}, #{courseForm}, now(), now(),
                 #{status, typeHandler=com.ym.mec.common.dal.CustomEnumTypeHandler}, #{billStartDate},