网上看easywechat这个微信的sdk评价挺高的，尝试导入TP5，无论是composer方式还是外部插件方式，都无法正常导入，导入后use，控制器方法直接500错误，runtime也没log，不知如何是好，请高手指教
<?php
namespace test\index\controller;
use think\Controller;
use think\Db;
use test\index\model\User;
include __DIR__ . '/vendor/autoload.php';
use EasyWeChat\Foundation\Application;
class Index extends Controller{
public function wx(){
$options = [
'debug' => true,
'app_id' => 'wx449b423402093e3d',
'secret' => 'ccbf823fdf5cc79900cfc3c1d0945689',
'token' => '111111',
'log' => [
'level' => 'debug',
'file' => '/tmp/easywechat.log',
],
// ...
];

$app = new Application($options);

$server = $app->server;
$user = $app->user;

$server->setMessageHandler(function($message) use ($user) {
$fromUser = $user->get($message->FromUserName);

return "{$fromUser->nickname} 您好！欢迎关注 overtrue!";
});

$server->serve()->send();
}
}