更新库文件还是显示缺失，composer install有了vendor目录，但是报错Fatal error: Uncaught Error: Failed opening required '/www/wwwroot/tel.3zi.cn/public/../vendor/autoload.php' (include_path='.:') in /www/wwwroot/tel.3zi.cn/public/index.php:22 Stack trace: #0 {main} thrown in /www/wwwroot/tel.3zi.cn/public/index.php on line 22