老师端作业优化

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

@@ -1223,7 +1223,7 @@
     <select id="countCourseStudentMemberNum" resultType="java.util.Map">
         SELECT cssp.course_schedule_id_ 'key',COUNT(CASE WHEN s.member_rank_setting_id_ IS NULL THEN NULL ELSE 1 END) 'value'
         FROM course_schedule_student_payment cssp
-        LEFT JOIN student s ON s.user_id_ = cssp.course_schedule_id_
+        LEFT JOIN student s ON s.user_id_ = cssp.user_id_
         WHERE cssp.course_schedule_id_ IN
         <foreach collection="courseIds" item="courseId" open="(" close=")" separator=",">
             #{courseId}