fix

zhongzheng-system/src/main/resources/mapper/modules/grade/ClassGradeMapper.xml

@@ -1143,7 +1143,7 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         FIND_IN_SET( id, d.subject_ids )) subject_names
         FROM
         class_grade g
-        LEFT JOIN class_grade_goods cgg ON cgg.grade_id = g.grade_id
+        LEFT JOIN (SELECT grade_id,any_value(goods_id) goods_id from  class_grade_goods   GROUP BY grade_id)cgg ON cgg.grade_id = g.grade_id
         LEFT JOIN goods d ON cgg.goods_id = d.goods_id
         LEFT JOIN course_business cb ON d.business_id = cb.id
         WHERE