diff --git a/tests/Kernel/Http/StreamResponseTest.php b/tests/Kernel/Http/StreamResponseTest.php
index <HASH>..<HASH> 100644
--- a/tests/Kernel/Http/StreamResponseTest.php
+++ b/tests/Kernel/Http/StreamResponseTest.php
@@ -1,12 +1,20 @@
 <?php
 
+/*
+ * This file is part of the overtrue/wechat.
+ *
+ * (c) overtrue <i@overtrue.me>
+ *
+ * This source file is subject to the MIT license that is bundled
+ * with this source code in the file LICENSE.
+ */
+
 use EasyWeChat\Kernel\Http\StreamResponse;
 use EasyWeChat\Tests\TestCase;
 use org\bovigo\vfs\vfsStream;
 use org\bovigo\vfs\vfsStreamDirectory;
 use org\bovigo\vfs\vfsStreamWrapper;
 
-
 class StreamResponseTest extends TestCase
 {
     public function setUp()
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