diff --git a/lms/nladmin-system/src/main/java/org/nl/wms/basedata/master/standard/service/dao/mapper/ClassStandardMapper.xml b/lms/nladmin-system/src/main/java/org/nl/wms/basedata/master/standard/service/dao/mapper/ClassStandardMapper.xml
index 9a5fcb8..b6ce826 100644
--- a/lms/nladmin-system/src/main/java/org/nl/wms/basedata/master/standard/service/dao/mapper/ClassStandardMapper.xml
+++ b/lms/nladmin-system/src/main/java/org/nl/wms/basedata/master/standard/service/dao/mapper/ClassStandardMapper.xml
@@ -10,7 +10,7 @@
                      t1.class_id,
                      IF(find_in_set(parent_class_id, @pids) > 0, @pids := concat(@pids, ',', class_id), 0) AS ischild
                  FROM (
-                          SELECT class_id, parent_class_id FROM md_base_classstandard t WHERE t.is_delete = '0' ORDER BY class_code
+                          SELECT class_id, parent_class_id FROM md_pd_classstandard t WHERE t.is_delete = '0' ORDER BY class_code
                       ) t1,
                       (SELECT @pids := #{classId}) t2
              ) t3