老师端改版

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

@@ -1519,6 +1519,6 @@
         WHERE pg.educational_teacher_id_ = #{userId} AND cg.group_type_ = 'PRACTICE' AND cg.del_flag_ = 0
     </select>
     <select id="countCourseNum" resultType="int">
-        SELECT COUNT(id_) FROM course_schedule WHERE class_group_id_ = #{teachMode} AND teach_mode_ = #{teachMode}
+        SELECT COUNT(id_) FROM course_schedule WHERE class_group_id_ = #{classGroupId} AND teach_mode_ = #{teachMode}
     </select>
 </mapper>