diff --git a/phpunit/code/count-literal-fold-safe.php b/phpunit/code/count-literal-fold-safe.php
index 66c558c0..8c777ccf 100644
--- a/phpunit/code/count-literal-fold-safe.php
+++ b/phpunit/code/count-literal-fold-safe.php
@@ -1,4 +1,11 @@
 <?php
+/**
+ * This file is part of TypePHP(AOT).
+ *
+ * @link     https://www.swoole.com/aot/
+ * @contact  service@swoole.com
+ */
+
 function main(): void
 {
     $a = 1;
diff --git a/phpunit/code/count-literal-fold-unsafe.php b/phpunit/code/count-literal-fold-unsafe.php
index fe07dca2..f9d51fcd 100644
--- a/phpunit/code/count-literal-fold-unsafe.php
+++ b/phpunit/code/count-literal-fold-unsafe.php
@@ -1,4 +1,11 @@
 <?php
+/**
+ * This file is part of TypePHP(AOT).
+ *
+ * @link     https://www.swoole.com/aot/
+ * @contact  service@swoole.com
+ */
+
 function bump(): int
 {
     echo "bump\n";
diff --git a/phpunit/src/CountLiteralFoldTest.php b/phpunit/src/CountLiteralFoldTest.php
index 83785291..a68d30af 100644
--- a/phpunit/src/CountLiteralFoldTest.php
+++ b/phpunit/src/CountLiteralFoldTest.php
@@ -1,10 +1,20 @@
 <?php
+/**
+ * This file is part of TypePHP(AOT).
+ *
+ * @link     https://www.swoole.com/aot/
+ * @contact  service@swoole.com
+ */
 
 namespace TypePhp\Tests;
 
 use PHPUnit\Framework\TestCase;
 use TypePhp\CompilerTest;
 
+/**
+ * @internal
+ * @coversNothing
+ */
 class CountLiteralFoldTest extends TestCase
 {
     public function testUnfoldableArrayLiteralsKeepTheRuntimeCall(): void