diff --git a/library/think/File.php b/library/think/File.php
index ba59273f..636a3430 100644
--- a/library/think/File.php
+++ b/library/think/File.php
@@ -11,7 +11,6 @@
 
 namespace think;
 
-use SplFileInfo;
 use SplFileObject;
 
 class File extends SplFileObject
@@ -281,7 +280,7 @@ class File extends SplFileObject
      * @param  string           $path    保存路径
      * @param  string|bool      $savename    保存的文件名 默认自动生成
      * @param  boolean          $replace 同名文件是否覆盖
-     * @return false|SplFileInfo false-失败 否则返回SplFileInfo实例
+     * @return false|File false-失败 否则返回File实例
      */
     public function move($path, $savename = true, $replace = true)
     {