问题修改

src/main/resources/mapper/UserMaterialMapper.xml

@@ -13,6 +13,7 @@
             c.user_name as userName,
             b.code as wllbCode,
             c.real_name,
+            a.modify_time,
             f.user_name as modifyUser
         from tld_user_material a
         left join tld_material b on a.material_id = b.tld_id