1、添加教务老师字段

2、布置作业

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

@@ -151,7 +151,7 @@
         WHERE student_id_ = #{userId}
           AND group_status_ = 'NORMAL'
           AND buy_months_ IS NULL
-          AND create_time_ > '2020-01-25'
+          AND create_time_ > '2020-03-25'
     </select>
     <select id="countPracticeGroupByOrgan" resultType="java.lang.Integer">
         SELECT count(*) FROM practice_group pg