diff --git a/backend/logic/file/FileManager.php b/backend/logic/file/FileManager.php
index cd65a41..4ab3ffd 100644
--- a/backend/logic/file/FileManager.php
+++ b/backend/logic/file/FileManager.php
@@ -22,7 +22,7 @@ class FileManager
      * @return int
      * 查看$extension数组中是否存在文件类型，不存在则返回-1
      */
-    public function searchKey($array,$value, $key=-1){
+    public function searchType($array,$value, $key=-1){
         foreach($array as $k=>$row){
             if(!is_array($row)){
                 if($row == $value){
@@ -33,7 +33,7 @@ class FileManager
                     }
                 }
             }else{
-                $r = self::searchKey($row,$value, $k);
+                $r = self::searchType($row,$value, $k);
                 if($r != -1){
                     return $r;
                 }