first commit

app/Constants/ErrorCode.php

@@ -0,0 +1,25 @@
+<?php
+
+declare(strict_types=1);
+/**
+ * This file is part of Hyperf.
+ *
+ * @link     https://www.hyperf.io
+ * @document https://hyperf.wiki
+ * @contact  group@hyperf.io
+ * @license  https://github.com/hyperf/hyperf/blob/master/LICENSE
+ */
+
+namespace App\Constants;
+
+use Hyperf\Constants\AbstractConstants;
+use Hyperf\Constants\Annotation\Constants;
+
+#[Constants]
+class ErrorCode extends AbstractConstants
+{
+    /**
+     * @Message("Server Error！")
+     */
+    public const SERVER_ERROR = 500;
+}