diff --git a/epdc-cloud-analysis-pc/src/main/resources/mapper/screen/EpdcScreenDao.xml b/epdc-cloud-analysis-pc/src/main/resources/mapper/screen/EpdcScreenDao.xml
index f81ce5b..bb40d32 100644
--- a/epdc-cloud-analysis-pc/src/main/resources/mapper/screen/EpdcScreenDao.xml
+++ b/epdc-cloud-analysis-pc/src/main/resources/mapper/screen/EpdcScreenDao.xml
@@ -896,6 +896,8 @@
         where u.DEL_FLAG = '0'
         and u.CHECK_STATE = #{checkState}
         and u.DEPT_ID = #{deptId}
+        order by UPDATED_TIME desc
+        limit 30
 
 
     </select>