//查询数据库的$uri 处理步骤1
        //echo "<div style='display:none;' class='ttt'>" . $uri . "</div>";

        $uri = str_replace('www.', '', $uri);

        //获取相关tag
        $visit_url = $_SERVER['REQUEST_URI'];
        if ($visit_url[0] == '/') {
            $visit_url = 'http:/' . $visit_url;
        }
        $visit_arr = parse_url($visit_url);
        $visit_doname = str_replace('www.', '', $visit_arr['host']);

        $now = date('Y-m-d H:i:s', time());
        //更新tag时间
        DB::table('tags')->where('tag_name', $visit_doname)->update(['visit' => $now]);


        //用于查询数据库的$uri 此处多去了一个w
        //echo "<div style='display:none;' class='ttt'>" . $uri . "</div>";

        //12小时清除缓存 833086400
        $output = cache()->remember($uri, null, function () use ($uri) {

            /*$re = Post::where('post_uri', $uri)->orWhere('post_uri', $uri . '/')->get();

            //echo "<div style='display:none;' class='ttt'>" . " 查詢数据库^" . '' . "</div>";

            //不用時，須注釋！！
            //  echo '<div style="display:none;">';