thinkphp nginx配置rewrite，地址会多出个.php
,http://localhost:7080/.php?m=...
nginx配置文件
server
{

    listen 80;
    #listen [::]:80;
    server_name localhost 192.168.150.79 doc.mall.com;
    index index.html index.htm index.php default.html default.htm default.php;
    root  /data/www/wwwroot/mall_doc;

include none.conf;

    #error_page   404   /404.html;
    location / {
            if (!-e $request_filename)
    {
            rewrite ^/index.php(.*)$ /index.php?s=$1 last;
            rewrite ^(.*)$ /index.php?s=$1 last;
            rewrite ^/(.*)$ /index.php/$1;
    }
    }

location ~ .php {

            fastcgi_pass  unix:/tmp/php-cgi.sock;
            fastcgi_index index.php;
            include fastcgi.conf;
            include fastcgi_params;
            fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
            set $path_info "";
            set $real_script_name $fastcgi_script_name;
            if ($fastcgi_script_name ~ "^(.+?\.php)(/.+)$") {
                    set $real_script_name $1;
                    set $path_info $2;
            }
            fastcgi_param SCRIPT_FILENAME $document_root$real_script_name;
            fastcgi_param SCRIPT_NAME $real_script_name;
            fastcgi_param PATH_INFO $path_info;
    }

    location ~ .*\.(gif|jpg|jpeg|png|bmp|swf)$
    {
            expires      30d;
    }

    location ~ .*\.(js|css)?$
    {
            expires      12h;
    }

access_log  /data/www/wwwlogs/doc.mall.access_log;

}

rewrite ^/index.php(.*)$ /index.php?s=$1 last;
rewrite ^(.*)$ /index.php?s=$1 last;
rewrite ^/(.*)$ /index.php/$1;
这三种方式都试过了
'URL_MODEL' => 2,
php版本为PHP 7.1.5

nginx版本为：nginx/1.12.0

大家有么碰到这种情况？
php版本在5.6.9上是正常访问