Fixed #31

via https://github.com/zgldh/qiniu-laravel-storage/blob/master/src/QiniuFilesystemServiceProvider.php

Author: hihuangwei

src/QiniuStorageServiceProvider.php

@@ -11,15 +11,15 @@ class QiniuStorageServiceProvider extends ServiceProvider
 {
     public function boot()
     {
-        app('filesystem')->extend('qiniu', function ($config) {
+        app('filesystem')->extend('qiniu', function ($app, $config) {
             $adapter = new QiniuAdapter(
                 $config['access_key'],
                 $config['secret_key'],
                 $config['bucket'],
                 $config['domain']
             );
 
-            return new FilesystemAdapter(new Filesystem($adapter), $adapter);
+            return new FilesystemAdapter(new Filesystem($adapter), $adapter, $config);
         });
     }
 }