I think I found the answer
sudo nano /etc/nginx/sites-availables/default

and add this

location /IdeaSpace1.0.1/ {
try_files $uri $uri/ /index.php/$args/;
}

I`ve install nginx web server and it shows the same error message."404 not found"
How should I do to solve the problem?
Can anyone please tell me.
THanks!