can't download file laravel use nginx (Failed - Network error) - laravel

Question

The problem has been solved !
i check error.log in nginx
2019/04/16 17:29:39 [crit] 12060#12060: *261 open() "/var/lib/nginx/fastcgi/6/05/0000000056" failed (13: Permission denied) while reading upstream, client: 118.70.67.64, server: govangtam.org, request: "GET /download HTTP/1.1", upstream: "fastcgi://unix:/var/run/php/php7.2-fpm.sock:", host: "govangtam.org"
i'm change chown var/lib/nginx/fastcgi with user run PHP-FPM
sudo chown -R forge:forge /var/lib/nginx/fastcgi
------------------Question--------------------
I can't download file in storage laravel 5.7, nginx, php7.2
I have not found the cause yet, I use code on another server that is still working normally.
when downloading error Failed - Network error or Failed - File incomplete. i use nginx version nginx/1.14.2, Ubuntu 16.04
url: http://govangtam.org/download
router web.php
Route::get('download', function () {
$file = storage_path('app').'/abc.mp3';
return response()->download($file);
});
nginx domain.conf
server {
listen 80;
listen [::]:80;
root /home/forge/govangtam.org/public;
index index.php index.html index.htm;
server_name govangtam.org www.govangtam.org;
location / {
#try_files $uri $uri/ =404;
try_files $uri $uri/ /index.php$is_args$args;
proxy_cache_revalidate on;
}
location ~ \.php$ {
include snippets/fastcgi-php.conf;
fastcgi_pass unix:/var/run/php/php7.2-fpm.sock;
}
}
nginx.conf
user forge;
worker_processes auto;
pid /run/nginx.pid;
include /etc/nginx/modules-enabled/*.conf;
events {
worker_connections 768;
# multi_accept on;
}
http {
# Basic Settings
sendfile on;
tcp_nopush on;
tcp_nodelay on;
keepalive_timeout 65;
types_hash_max_size 2048;
# server_tokens off;
client_max_body_size 20M;
server_names_hash_bucket_size 64;
# server_name_in_redirect off;
include /etc/nginx/mime.types;
default_type application/octet-stream;
# SSL Settings
ssl_protocols TLSv1 TLSv1.1 TLSv1.2; # Dropping SSLv3, ref: POODLE
ssl_prefer_server_ciphers on;
# Logging Settings
access_log /var/log/nginx/access.log;
error_log /var/log/nginx/error.log;
# Gzip Settings
gzip on;
gzip_disable "msie6";
# Virtual Host Configs
include /etc/nginx/conf.d/*.conf;
include /etc/nginx/sites-enabled/*;
proxy_read_timeout 950s;
map $http_upgrade $connection_upgrade {
default upgrade;
'' close;
}
}