update

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

@@ -496,7 +496,8 @@
         left join organization o on o.id_ = cs.organ_id_
         LEFT JOIN student_visit sv ON cssp.id_ = sv.object_id_
         <include refid="findStudentAttendanceSql"/>
-        ORDER BY CONCAT(cs.class_date_, ' ', cs.start_class_time_) asc
+        GROUP BY cssp.id_
+        ORDER BY CONCAT(cs.class_date_, ' ', cs.start_class_time_) ASC
         <include refid="global.limit"/>
     </select>
     <sql id="findStudentAttendanceSql">