Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; QQDownload 661; GTB6.6; TencentTraveler 4.0; .NET CLR 1.0.3705; .NET CLR 1.1.4322; Media Center PC 4.0; .NET CLR 2.0.50727; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729)