Merge remote-tracking branch 'origin/master'

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

@@ -498,7 +498,7 @@
             LEFT JOIN course_schedule cs ON cssp.course_schedule_id_=cs.id_
             LEFT JOIN student stu ON cssp.user_id_ = stu.user_id_
         WHERE stu.service_tag_=1
-            AND stu.service_tag_update_time_<#{nextMonday}
+            AND (stu.service_tag_update_time_ IS NULL OR stu.service_tag_update_time_<#{nextMonday})
             AND cs.class_date_>=#{monday}
             AND cs.type_ IN ('SINGLE','VIP','MIX','PRACTICE')
             AND cssp.create_time_<#{nextMonday}