添加server

    1. server
    2. {
    3.     listen 80 default_server;
    4.     server_name _;
    5.     return 500;
    6. }
    7. 或者
    8. server {
    9.     listen 80 default_server;
    10.     server_name _;
    11.     rewrite ^(.*) http://www. exchangecn .net permanent;
    12. }