我的网站是https://antilicense.com/ 我给了一个白页
PHP致命错误：require（）：打开失败需要'.../vendor/composer/../symfony/polyfill-mbstring/bootstrap.php'（include_path ='。：/opt/alt/php72/usr/share/ pear') 在 .../vendor/composer/autoload_real.php 第 66 行
我的错误日志：
[06-Mar-2018 10:31:34 UTC] PHP Warning: require(/home/antilic1/public_html/vendor/composer/../symfony/polyfill-mbstring/bootstrap.php): failed to open stream: No such file or directory in /home/antilic1/public_html/vendor/composer/autoload_real.php on line 66
[06-Mar-2018 10:31:34 UTC] PHP Fatal error: require(): Failed opening required '/home/antilic1/public_html/vendor/composer/../symfony/polyfill-mbstring/bootstrap.php' (include_path='.:/opt/alt/php72/usr/share/pear') in /home/antilic1/public_html/vendor/composer/autoload_real.php on line 66
[06-Mar-2018 10:31:53 UTC] PHP Warning: require(/home/antilic1/public_html/vendor/composer/../symfony/polyfill-mbstring/bootstrap.php): failed to open stream: No such file or directory in /home/antilic1/public_html/vendor/composer/autoload_real.php on line 66
[06-Mar-2018 10:31:53 UTC] PHP Fatal error: require(): Failed opening required '/home/antilic1/public_html/vendor/composer/../symfony/polyfill-mbstring/bootstrap.php' (include_path='.:/opt/alt/php72/usr/share/pear') in /home/antilic1/public_html/vendor/composer/autoload_real.php on line 66
[06-Mar-2018 10:35:49 UTC] PHP Warning: include(/home/antilic1/public_html/vendor/composer/../laravel/framework/src/Illuminate/Filesystem/Filesystem.php): failed to open stream: No such file or directory in /home/antilic1/public_html/vendor/composer/ClassLoader.php on line 444
[06-Mar-2018 10:35:49 UTC] PHP Warning: include(): Failed opening '/home/antilic1/public_html/vendor/composer/../laravel/framework/src/Illuminate/Filesystem/Filesystem.php' for inclusion (include_path='.:/opt/alt/php72/usr/share/pear') in /home/antilic1/public_html/vendor/composer/ClassLoader.php on line 444
[06-Mar-2018 10:35:49 UTC] PHP Fatal error: Uncaught Error: Class 'Illuminate\Filesystem\Filesystem' not found in /home/antilic1/public_html/vendor/laravel/framework/src/Illuminate/Foundation/Application.php:175
Stack trace:
#0 /home/antilic1/public_html/vendor/laravel/framework/src/Illuminate/Foundation/Application.php(144): Illuminate\Foundation\Application->registerBaseBindings()
#1 /home/antilic1/public_html/bootstrap/app.php(15): Illuminate\Foundation\Application->__construct('/home/antilic1/...')
#2 /home/antilic1/public_html/public/index.php(38): require_once('/home/antilic1/...')
#3 {main}
thrown in /home/antilic1/public_html/vendor/laravel/framework/src/Illuminate/Foundation/Application.php on line 175
[06-Mar-2018 10:35:50 UTC] PHP Warning: include(/home/antilic1/public_html/vendor/composer/../laravel/framework/src/Illuminate/Filesystem/Filesystem.php): failed to open stream: No such file or directory in /home/antilic1/public_html/vendor/composer/ClassLoader.php on line 444
[06-Mar-2018 10:35:50 UTC] PHP Warning: include(): Failed opening '/home/antilic1/public_html/vendor/composer/../laravel/framework/src/Illuminate/Filesystem/Filesystem.php' for inclusion (include_path='.:/opt/alt/php72/usr/share/pear') in /home/antilic1/public_html/vendor/composer/ClassLoader.php on line 444
[06-Mar-2018 10:35:50 UTC] PHP Fatal error: Uncaught Error: Class 'Illuminate\Filesystem\Filesystem' not found in /home/antilic1/public_html/vendor/laravel/framework/src/Illuminate/Foundation/Application.php:175
Stack trace:
当我解压缩文件时，一切都很好，但几分钟后我看到白页......
我尝试：
php artisan key:generate
composer update --no-scripts
composer update
composer install
composer dump-autoload
但我仍然有问题请帮助我。tnx。