Add import dropdown validation

ccdi-info-collection/src/main/resources/mapper/info/collection/CcdiBaseStaffMapper.xml

@@ -42,7 +42,7 @@
                 AND e.status = #{query.status}
             </if>
         </where>
-        ORDER BY e.create_time DESC
+        ORDER BY e.create_time DESC, e.staff_id DESC
     </select>
 
     <!-- 批量插入或更新员工信息（只更新非null字段） -->