When PHP downloads a file, the file is too large and times out

1. PHP code setting

set_time_limit(0);
ini_set('memory_limit', '1024M');
ini_set('max_execution_time', 1000);

Two, nginx configuration

 fastcgi_connect_timeout 1000;
 fastcgi_send_timeout 1000;
 fastcgi_read_timeout 1000;