修改nginx伪静态

兼容包括.htm的链接，带有.htm的链接也可以正常访问

location ~* ^/(?!admin) {

    rewrite ^/([^/]+)$ /index.php?$1.htm$2 last;

}

location ~ ^/admin {

     rewrite "^(.*)/([^/]+)$" $1/index.php?$2.htm$3 last;

}