diff --git a/src/libs/MyWebSocketHandler.php b/src/libs/MyWebSocketHandler.php
new file mode 100644
index 0000000..53aa708
--- /dev/null
+++ b/src/libs/MyWebSocketHandler.php
@@ -0,0 +1,24 @@
+<?php
+
+namespace App;
+
+use Workerman\Worker;
+use Workerman\Connection\TcpConnection;
+
+class MyWebSocketHandler
+{
+    public function onConnect(TcpConnection $connection): void
+    {
+        echo "New connection\n";
+    }
+
+    public function onMessage(TcpConnection $connection, string $data): void
+    {
+        $connection->send('Hello ' . $data);
+    }
+
+    public function onClose(TcpConnection $connection): void
+    {
+        echo "Connection closed\n";
+    }
+}
\ No newline at end of file
diff --git a/src/start.php b/src/start.php
index aeaeeaa..8b2ee36 100644
--- a/src/start.php
+++ b/src/start.php
@@ -1,27 +1,21 @@
 <?php
+// 手动加载类文件
+require_once __DIR__ . '/libs/MyWebSocketHandler.php';
 
 use Workerman\Worker;
+use App\MyWebSocketHandler;
 
 require_once __DIR__ . '/vendor/autoload.php';
 
-// Create a Websocket server
+$handler = new MyWebSocketHandler();
+
 $ws_worker = new Worker('websocket://0.0.0.0:2346');
 
-// Emitted when new connection come
-$ws_worker->onConnect = function ($connection) {
-    echo "New connection\n";
-};
+$ws_worker->onConnect = [$handler, 'onConnect'];
+$ws_worker->onMessage = [$handler, 'onMessage'];
+$ws_worker->onClose = [$handler, 'onClose'];
 
-// Emitted when data received
-$ws_worker->onMessage = function ($connection, $data) {
-    // Send hello $data
-    $connection->send('Hello ' . $data);
-};
-
-// Emitted when connection closed
-$ws_worker->onClose = function ($connection) {
-    echo "Connection closed\n";
-};
-
-// Run worker
-Worker::runAll();
\ No newline at end of file
+// 仅在非测试环境下运行
+if (!getenv('PHPUNIT_RUNNING')) {
+    Worker::runAll();
+}
\ No newline at end of file
diff --git a/src/workerman.log b/src/workerman.log
new file mode 100644
index 0000000..a652dec
--- /dev/null
+++ b/src/workerman.log
@@ -0,0 +1,8 @@
+2025-06-03 14:48:47 pid:6105 Workerman[start.php] start in DEBUG mode
+2025-06-03 14:48:49 pid:6105 Workerman[start.php] received signal SIGINT
+2025-06-03 14:48:49 pid:6105 Workerman[start.php] stopping
+2025-06-03 14:48:49 pid:6105 Workerman[start.php] has been stopped
+2025-06-03 15:11:55 pid:6213 Workerman[start.php] start in DEBUG mode
+2025-06-03 15:11:56 pid:6213 Workerman[start.php] received signal SIGINT
+2025-06-03 15:11:56 pid:6213 Workerman[start.php] stopping
+2025-06-03 15:11:56 pid:6213 Workerman[start.php] has been stopped
diff --git a/tests/CalculatorTest.php b/tests/Test.php
similarity index 100%
rename from tests/CalculatorTest.php
rename to tests/Test.php