diff --git a/application/admin/controller/oa/Doc.php b/application/admin/controller/oa/Doc.php
index f404f25..db9759a 100644
--- a/application/admin/controller/oa/Doc.php
+++ b/application/admin/controller/oa/Doc.php
@@ -90,7 +90,7 @@ class Doc extends Backend
 
         foreach ($list as $k => $row) {
             $list[$k]['fileurl'] = cdnurl($row['path']);
-            $list[$k]['filetype'] = pathinfo($list[$k]['url'], PATHINFO_EXTENSION);
+            $list[$k]['filetype'] = pathinfo($list[$k]['fileurl'], PATHINFO_EXTENSION);
         }
 
         $result = ['total' => $list->total(), 'rows' => $list->items()];