1、编辑php-fpm配置
php-fpm 配置名称视具体版本而定
sudo vi /etc/php/7.2/fpm/php.ini找到以下两项，修改为自己想要的值，比如50M
post_max_size = 50M
upload_max_filesize = 50M2、重启nginx.service和php7.2-fpm.service
sudo systemctl restart php7.2-fpm
sudo systemctl restart nginxphp-fpm 配置名称视具体版本而定
sudo vi /etc/php/7.2/fpm/php.ini找到以下两项，修改为自己想要的值，比如50M
post_max_size = 50M
upload_max_filesize = 50Msudo systemctl restart php7.2-fpm
sudo systemctl restart nginx