8787能不能换成80(已解决)

server {
listen 80;
location / {
    proxy_pass http://localhost:8787;
    proxy_set_header Host $host;
    proxy_set_header X-Real-IP $remote_addr;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header X-Forwarded-Proto $scheme;
}