diff --git a/extend/service/UploadService.php b/extend/service/UploadService.php
index a787214d..0976d0e7 100644
--- a/extend/service/UploadService.php
+++ b/extend/service/UploadService.php
@@ -79,8 +79,8 @@ class UploadService
      */
     protected static function uploadDir($path, $root=null)
     {
-        if($root === null) $root = 'public/' . 'uploads';
-        return $root . DS . $path;
+        if($root === null) $root = PUBILC_PATH.'uploads';
+        return ltrim($root . DS . $path,'/');
     }
 
     /**
@@ -97,7 +97,7 @@ class UploadService
     {
         self::init();
         $path = self::uploadDir($path,$root);
-        $dir = ROOT_PATH . $path;
+        $dir = ROOT_PATH . $path;echo $path;echo $dir;
         if(!self::validDir($dir)) return self::setError('生成上传目录失败,请检查权限!');
         if(!isset($_FILES[$fileName])) return self::setError('上传文件不存在!');
         $file = request()->file($fileName);