init

- 框架初始化
 - 安装插件
 - 修复PHP8.4报错

addons/epay/library/v2/Yansongda/Pay/Exceptions/InvalidArgumentException.php

@@ -0,0 +1,19 @@
+<?php
+
+namespace Yansongda\Pay\Exceptions;
+
+class InvalidArgumentException extends Exception
+{
+    /**
+     * Bootstrap.
+     *
+     * @author yansongda <me@yansonga.cn>
+     *
+     * @param string       $message
+     * @param array|string $raw
+     */
+    public function __construct($message, $raw = [])
+    {
+        parent::__construct('INVALID_ARGUMENT: '.$message, $raw, self::INVALID_ARGUMENT);
+    }
+}