fastcgi_param PHP_VALUE "upload_max_filesize=100M \n post_max_size=100M";
添加在 location ~ .php$ 块中
location ~ \.php$ {
#fastcgi_pass unix:/var/run/php/php8.0-fpm.sock;
fastcgi_pass unix:/var/run/php/php7.4-fpm.sock;
fastcgi_index index.php;
fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
fastcgi_param PHP_VALUE "upload_max_filesize=100M \n post_max_size=100M";
include fastcgi_params;
}