Merge branch '2021-07-19_children' of http://git.dayaedu.com/yonge/mec

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

@@ -157,7 +157,7 @@
 
     <!-- 查询当前表的总记录数 -->
     <select id="queryCount" resultType="int">
-        SELECT COUNT(s.id_) FROM student s
+        SELECT COUNT(s.user_id_) FROM student s
         LEFT JOIN sys_user su ON  su.id_ = s.user_id_
         <include refid="queryPageSql"/>
     </select>