使用laravel数据库报错喃？怎么处理

Fatal error: Uncaught Error: Class "PhpOption\Option" not found in C:\Users
\Desktop\zz\code\api\vendor\illuminate\support\Env.php:76
Stack trace:
#0 C:\Users\Desktop\zz\code\api\vendor\illuminate\support\helpers.php(133):
 Illuminate\Support\Env::get()
#1 C:\Users\Desktop\zz\code\api\config\database.php(35): env()
#2 C:\Users\Desktop\zz\code\api\vendor\workerman\webman-framework\src\Confi
g.php(65): include('...')
#3 C:\Users\Desktop\zz\code\api\start.php(28): Webman\Config::load()
#4 {main}
  thrown in C:\Users\Desktop\zz\code\api\vendor\illuminate\support\Env.php
on line 76