排序问题

blade-service/blade-archive/src/main/java/org/springblade/archive/mapper/ArchivesAutoMapper.xml

@@ -172,7 +172,8 @@
                 #{nodeId}
             </foreach>
         </if>
-        order by m.tree_sort,u.auto_file_sort is null ,u.auto_file_sort,u.file_number is null,u.file_number,u.create_time asc
+        order by m.tree_sort,u.auto_file_sort is null ,u.auto_file_sort,u.file_number is null,
+        SUBSTRING_INDEX(u.file_number, '_', 1), SUBSTRING_INDEX(u.file_number, '_', -1) + 0 ,u.create_time asc
         limit #{current}, #{size}
     </select>