fix

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

@@ -1927,7 +1927,7 @@
             resultMap="ClassPeriodStudentVo">
         SELECT
         g.goods_name,
-        g.create_time,
+        cgu.create_time,
         g.year as goods_year,
         cet.education_name,
         cpt.project_name,