检测节点
| 区域/运营商 | 响应最快 | 响应最慢 | 平均响应 |
|---|---|---|---|
| 全部 | 宁夏银川电信0.236s | 广东广州电信2.031s | 0.704s |
| 电信 | 宁夏银川电信0.236s | 广东广州电信2.031s | 0.792s |
| 移动 | 广东广州移动0.237s | 江苏无锡移动1.61s | 0.701s |
| 联通 | -0.252s | 山西临汾联通1.182s | 0.619s |
| 华东 | 江苏淮安电信0.243s | 江苏无锡移动1.61s | 0.546s |
| 华北 | 山西长治电信0.32s | -1.255s | 0.854s |
| 华南 | 广西北海移动0.673s | 广东广州电信2.031s | 1.314s |
| 华中 | 湖南长沙移动0.405s | 湖南长沙移动0.405s | 0.405s |
| 西北 | 宁夏银川电信0.236s | 青海西宁电信1.102s | 0.623s |
| 西南 | 云南昆明联通0.361s | 西藏拉萨移动1.047s | 0.644s |
| 东北 | 黑龙江鸡西移动0.356s | 吉林长春电信0.756s | 0.574s |
|
检测点
运营商
检测节点
|
解析IP |
状态 |
总时间 |
解析时间 |
连接时间 |
操作 |
|---|---|---|---|---|---|---|
|
电信
山东
|
211.149.225.81 （四川绵阳电信） | 200 | 0.566s | 0.444s | 0.05s |
下载时间：0.001s 下载大小：3.83KB 下载速度：3830KB/s HEAD：
HTTP/1.1 200 OK Date: Thu, 29 Oct 2026 16:35:28 GMT Content-Type: text/html; charset=utf-8 Content-Length: 3922 Connection: keep-alive X-UA-Compatible: IE=edge,chrome=1 Expires: Thu, 19 Nov 1981 08:52:00 GMT Cache-Control: no-store, no-cache, must-revalidate Pragma: no-cache Set-Cookie: lg=cn; path=/ Set-Cookie: PbootSystem=6ktmd1rtn373fh6fvvsun0prja; path=/ Vary: Accept-Encoding Content-Encoding: gzip Server: wts |
|
电信
北京
|
211.149.225.81 （四川绵阳电信） | 200 | 1.255s | 1.015s | 0.103s |
下载时间：0.006s 下载大小：3.83KB 下载速度：638.333KB/s HEAD：
HTTP/1.1 200 OK Date: Thu, 29 Oct 2026 16:35:09 GMT Content-Type: text/html; charset=utf-8 Content-Length: 3922 Connection: keep-alive X-UA-Compatible: IE=edge,chrome=1 Expires: Thu, 19 Nov 1981 08:52:00 GMT Cache-Control: no-store, no-cache, must-revalidate Pragma: no-cache Set-Cookie: lg=cn; path=/ Set-Cookie: PbootSystem=vtaf2mf6jgecm1oik7g1fc64pg; path=/ Vary: Accept-Encoding Content-Encoding: gzip Server: wts |
|
电信
甘肃兰州
|
211.149.225.81 （四川绵阳电信） | 200 | 1.064s | 0.992s | 0.026s |
下载时间：0.001s 下载大小：3.83KB 下载速度：3830KB/s HEAD：
HTTP/1.1 200 OK Cache-Control: no-store, no-cache, must-revalidate Connection: keep-alive Content-Encoding: gzip Content-Length: 3922 Content-Type: text/html; charset=utf-8 Date: Thu, 29 Oct 2026 16:35:08 GMT Expires: Thu, 19 Nov 1981 08:52:00 GMT Pragma: no-cache Server: wts Set-Cookie: lg=cn; path=/, PbootSystem=6rd3o8im18tohj7672j02unt8v; path=/ Vary: Accept-Encoding X-Ua-Compatible: IE=edge,chrome=1 |
|
电信
广东广州
|
211.149.225.81 （四川绵阳电信） | 200 | 2.031s | 0.088s | 0.032s |
下载时间：0s 下载大小：3.83KB 下载速度：0KB/s HEAD：
HTTP/1.1 200 OK Cache-Control: no-store, no-cache, must-revalidate Connection: keep-alive Content-Encoding: gzip Content-Length: 3922 Content-Type: text/html; charset=utf-8 Date: Thu, 29 Oct 2026 16:35:09 GMT Expires: Thu, 19 Nov 1981 08:52:00 GMT Pragma: no-cache Server: wts Set-Cookie: lg=cn; path=/, PbootSystem=fh89qkb6jren5tunb079rdtn0k; path=/ Vary: Accept-Encoding X-Ua-Compatible: IE=edge,chrome=1 |
|
电信
吉林长春
|
211.149.225.81 （四川绵阳电信） | 200 | 0.756s | 0.624s | 0.056s |
下载时间：0.001s 下载大小：3.83KB 下载速度：3830KB/s HEAD：
HTTP/1.1 200 OK Cache-Control: no-store, no-cache, must-revalidate Connection: keep-alive Content-Encoding: gzip Content-Length: 3922 Content-Type: text/html; charset=utf-8 Date: Thu, 29 Oct 2026 16:35:08 GMT Expires: Thu, 19 Nov 1981 08:52:00 GMT Pragma: no-cache Server: wts Set-Cookie: lg=cn; path=/, PbootSystem=5ecobal09u4j93g3674b1k0ve8; path=/ Vary: Accept-Encoding X-Ua-Compatible: IE=edge,chrome=1 |
|
电信
江苏淮安
|
211.149.225.81 （四川绵阳电信） | 200 | 0.243s | 0.119s | 0.035s |
下载时间：0.001s 下载大小：3.83KB 下载速度：3830KB/s HEAD：
HTTP/1.1 200 OK Cache-Control: no-store, no-cache, must-revalidate Connection: keep-alive Content-Encoding: gzip Content-Length: 3922 Content-Type: text/html; charset=utf-8 Date: Thu, 29 Oct 2026 16:35:07 GMT Expires: Thu, 19 Nov 1981 08:52:00 GMT Pragma: no-cache Server: wts Set-Cookie: lg=cn; path=/, PbootSystem=s5b9ri7i4sbahtrivdq8i0dcqt; path=/ Vary: Accept-Encoding X-Ua-Compatible: IE=edge,chrome=1 |
|
电信
宁夏银川
|
211.149.225.81 （四川绵阳电信） | 200 | 0.236s | 0.129s | 0.031s |
下载时间：0s 下载大小：3.83KB 下载速度：0KB/s HEAD：
HTTP/1.1 200 OK Cache-Control: no-store, no-cache, must-revalidate Connection: keep-alive Content-Encoding: gzip Content-Length: 3922 Content-Type: text/html; charset=utf-8 Date: Thu, 29 Oct 2026 16:35:07 GMT Expires: Thu, 19 Nov 1981 08:52:00 GMT Pragma: no-cache Server: wts Set-Cookie: lg=cn; path=/, PbootSystem=pqc6tcr0ivlbrgao06141o2iq1; path=/ Vary: Accept-Encoding X-Ua-Compatible: IE=edge,chrome=1 |
|
电信
青海西宁
|
211.149.225.81 （四川绵阳电信） | 200 | 1.102s | 1.029s | 0.026s |
下载时间：0s 下载大小：3.83KB 下载速度：0KB/s HEAD：
HTTP/1.1 200 OK Cache-Control: no-store, no-cache, must-revalidate Connection: keep-alive Content-Encoding: gzip Content-Length: 3922 Content-Type: text/html; charset=utf-8 Date: Thu, 29 Oct 2026 16:35:08 GMT Expires: Thu, 19 Nov 1981 08:52:00 GMT Pragma: no-cache Server: wts Set-Cookie: lg=cn; path=/, PbootSystem=t2ra3o3rnfnk5t9kn60gdjcp0s; path=/ Vary: Accept-Encoding X-Ua-Compatible: IE=edge,chrome=1 |
|
电信
山西长治
|
211.149.225.81 （四川绵阳电信） | 200 | 0.32s | 0.22s | 0.038s |
下载时间：0s 下载大小：3.83KB 下载速度：0KB/s HEAD：
HTTP/1.1 200 OK Cache-Control: no-store, no-cache, must-revalidate Connection: keep-alive Content-Encoding: gzip Content-Length: 3922 Content-Type: text/html; charset=utf-8 Date: Thu, 29 Oct 2026 16:35:07 GMT Expires: Thu, 19 Nov 1981 08:52:00 GMT Pragma: no-cache Server: wts Set-Cookie: lg=cn; path=/, PbootSystem=k9pvueb280klbuha9m2j8b5gbl; path=/ Vary: Accept-Encoding X-Ua-Compatible: IE=edge,chrome=1 |
|
电信
上海
|
211.149.225.81 （四川绵阳电信） | 200 | 0.347s | 0.246s | 0.042s |
下载时间：0s 下载大小：3.83KB 下载速度：0KB/s HEAD：
HTTP/1.1 200 OK Cache-Control: no-store, no-cache, must-revalidate Connection: keep-alive Content-Encoding: gzip Content-Length: 3922 Content-Type: text/html; charset=utf-8 Date: Thu, 29 Oct 2026 16:35:07 GMT Expires: Thu, 19 Nov 1981 08:52:00 GMT Pragma: no-cache Server: wts Set-Cookie: lg=cn; path=/, PbootSystem=4u4k4017ca1dg3l60edealahkk; path=/ Vary: Accept-Encoding X-Ua-Compatible: IE=edge,chrome=1 |
|
移动
海南
|
211.149.225.81 （四川绵阳电信） | 200 | 1.237s | 0.559s | 0.274s |
下载时间：0.005s 下载大小：3.83KB 下载速度：766KB/s HEAD：
HTTP/1.1 200 OK Date: Thu, 29 Oct 2026 16:35:08 GMT Content-Type: text/html; charset=utf-8 Content-Length: 3922 Connection: keep-alive X-UA-Compatible: IE=edge,chrome=1 Expires: Thu, 19 Nov 1981 08:52:00 GMT Cache-Control: no-store, no-cache, must-revalidate Pragma: no-cache Set-Cookie: lg=cn; path=/ Set-Cookie: PbootSystem=anhcupsedjln548qi6shp03pqs; path=/ Vary: Accept-Encoding Content-Encoding: gzip Server: wts |
|
移动
广东广州
|
211.149.225.81 （四川绵阳电信） | 200 | 0.237s | 0.162s | 0.023s |
下载时间：0s 下载大小：3.83KB 下载速度：0KB/s HEAD：
HTTP/1.1 200 OK Cache-Control: no-store, no-cache, must-revalidate Connection: keep-alive Content-Encoding: gzip Content-Length: 3922 Content-Type: text/html; charset=utf-8 Date: Thu, 29 Oct 2026 16:35:07 GMT Expires: Thu, 19 Nov 1981 08:52:00 GMT Pragma: no-cache Server: wts Set-Cookie: lg=cn; path=/, PbootSystem=t29oj67iqbr73e4c8l5382fn4v; path=/ Vary: Accept-Encoding X-Ua-Compatible: IE=edge,chrome=1 |
|
移动
广西北海
|
211.149.225.81 （四川绵阳电信） | 200 | 0.673s | 0.575s | 0.039s |
下载时间：0.001s 下载大小：3.83KB 下载速度：3830KB/s HEAD：
HTTP/1.1 200 OK Cache-Control: no-store, no-cache, must-revalidate Connection: keep-alive Content-Encoding: gzip Content-Length: 3922 Content-Type: text/html; charset=utf-8 Date: Thu, 29 Oct 2026 16:35:08 GMT Expires: Thu, 19 Nov 1981 08:52:00 GMT Pragma: no-cache Server: wts Set-Cookie: lg=cn; path=/, PbootSystem=edtgqbs9fom0k6f0ghr9643ibf; path=/ Vary: Accept-Encoding X-Ua-Compatible: IE=edge,chrome=1 |
|
移动
黑龙江鸡西
|
211.149.225.81 （四川绵阳电信） | 200 | 0.356s | 0.198s | 0.068s |
下载时间：0s 下载大小：3.83KB 下载速度：0KB/s HEAD：
HTTP/1.1 200 OK Cache-Control: no-store, no-cache, must-revalidate Connection: keep-alive Content-Encoding: gzip Content-Length: 3922 Content-Type: text/html; charset=utf-8 Date: Thu, 29 Oct 2026 16:35:07 GMT Expires: Thu, 19 Nov 1981 08:52:00 GMT Pragma: no-cache Server: wts Set-Cookie: lg=cn; path=/, PbootSystem=jbp4kc65k45se91kqjutc0u8m1; path=/ Vary: Accept-Encoding X-Ua-Compatible: IE=edge,chrome=1 |
|
移动
湖南长沙
|
211.149.225.81 （四川绵阳电信） | 200 | 0.405s | 0.194s | 0.035s |
下载时间：0.001s 下载大小：3.83KB 下载速度：3830KB/s HEAD：
HTTP/1.1 200 OK Cache-Control: no-store, no-cache, must-revalidate Connection: keep-alive Content-Encoding: gzip Content-Length: 3922 Content-Type: text/html; charset=utf-8 Date: Thu, 29 Oct 2026 16:35:08 GMT Expires: Thu, 19 Nov 1981 08:52:00 GMT Pragma: no-cache Server: wts Set-Cookie: lg=cn; path=/, PbootSystem=5d0psvdc2r8ksthqka21aglgiv; path=/ Vary: Accept-Encoding X-Ua-Compatible: IE=edge,chrome=1 |
|
移动
江苏无锡
|
211.149.225.81 （四川绵阳电信） | 200 | 1.61s | 1.5s | 0.042s |
下载时间：0.001s 下载大小：3.83KB 下载速度：3830KB/s HEAD：
HTTP/1.1 200 OK Cache-Control: no-store, no-cache, must-revalidate Connection: keep-alive Content-Encoding: gzip Content-Length: 3922 Content-Type: text/html; charset=utf-8 Date: Thu, 29 Oct 2026 16:35:09 GMT Expires: Thu, 19 Nov 1981 08:52:00 GMT Pragma: no-cache Server: wts Set-Cookie: lg=cn; path=/, PbootSystem=cocsqskt32d0149o2ki5gcf4fc; path=/ Vary: Accept-Encoding X-Ua-Compatible: IE=edge,chrome=1 |
|
移动
上海
|
211.149.225.81 （四川绵阳电信） | 200 | 0.316s | 0.211s | 0.041s |
下载时间：0s 下载大小：3.83KB 下载速度：0KB/s HEAD：
HTTP/1.1 200 OK Cache-Control: no-store, no-cache, must-revalidate Connection: keep-alive Content-Encoding: gzip Content-Length: 3922 Content-Type: text/html; charset=utf-8 Date: Thu, 29 Oct 2026 16:35:07 GMT Expires: Thu, 19 Nov 1981 08:52:00 GMT Pragma: no-cache Server: wts Set-Cookie: lg=cn; path=/, PbootSystem=mdovrielpjfl7ofmhpk4qkeq08; path=/ Vary: Accept-Encoding X-Ua-Compatible: IE=edge,chrome=1 |
|
移动
西藏拉萨
|
211.149.225.81 （四川绵阳电信） | 200 | 1.047s | 0.938s | 0.039s |
下载时间：0s 下载大小：3.83KB 下载速度：0KB/s HEAD：
HTTP/1.1 200 OK Cache-Control: no-store, no-cache, must-revalidate Connection: keep-alive Content-Encoding: gzip Content-Length: 3922 Content-Type: text/html; charset=utf-8 Date: Thu, 29 Oct 2026 16:35:08 GMT Expires: Thu, 19 Nov 1981 08:52:00 GMT Pragma: no-cache Server: wts Set-Cookie: lg=cn; path=/, PbootSystem=sg8spimkqn4nu6ni0s7p5hpqeq; path=/ Vary: Accept-Encoding X-Ua-Compatible: IE=edge,chrome=1 |
|
移动
云南保山
|
211.149.225.81 （四川绵阳电信） | 200 | 0.43s | 0.351s | 0.028s |
下载时间：0.001s 下载大小：3.83KB 下载速度：3830KB/s HEAD：
HTTP/1.1 200 OK Cache-Control: no-store, no-cache, must-revalidate Connection: keep-alive Content-Encoding: gzip Content-Length: 3922 Content-Type: text/html; charset=utf-8 Date: Thu, 29 Oct 2026 16:35:08 GMT Expires: Thu, 19 Nov 1981 08:52:00 GMT Pragma: no-cache Server: wts Set-Cookie: lg=cn; path=/, PbootSystem=927bdumouvvvu05bbg44vni5e6; path=/ Vary: Accept-Encoding X-Ua-Compatible: IE=edge,chrome=1 |
|
联通
江西
|
211.149.225.81 （四川绵阳电信） | 200 | 0.252s | 0.148s | 0.041s |
下载时间：0.002s 下载大小：3.83KB 下载速度：1915KB/s HEAD：
HTTP/1.1 200 OK Date: Thu, 29 Oct 2026 16:35:08 GMT Content-Type: text/html; charset=utf-8 Content-Length: 3922 Connection: keep-alive X-UA-Compatible: IE=edge,chrome=1 Expires: Thu, 19 Nov 1981 08:52:00 GMT Cache-Control: no-store, no-cache, must-revalidate Pragma: no-cache Set-Cookie: lg=cn; path=/ Set-Cookie: PbootSystem=np1d5fvrurd7seeinr7miemd5r; path=/ Vary: Accept-Encoding Content-Encoding: gzip Server: wts |
|
联通
四川
|
211.149.225.81 （四川绵阳电信） | 200 | 0.738s | 0.68s | 0.018s |
下载时间：0.001s 下载大小：3.83KB 下载速度：3830KB/s HEAD：
HTTP/1.1 200 OK Date: Thu, 29 Oct 2026 16:35:08 GMT Content-Type: text/html; charset=utf-8 Content-Length: 3922 Connection: keep-alive X-UA-Compatible: IE=edge,chrome=1 Expires: Thu, 19 Nov 1981 08:52:00 GMT Cache-Control: no-store, no-cache, must-revalidate Pragma: no-cache Set-Cookie: lg=cn; path=/ Set-Cookie: PbootSystem=2stn2bqun4pmmsjf1gi4rkqd3u; path=/ Vary: Accept-Encoding Content-Encoding: gzip Server: wts |
|
联通
甘肃庆阳
|
211.149.225.81 （四川绵阳电信） | 200 | 0.475s | 0.398s | 0.029s |
下载时间：0s 下载大小：3.83KB 下载速度：0KB/s HEAD：
HTTP/1.1 200 OK Cache-Control: no-store, no-cache, must-revalidate Connection: keep-alive Content-Encoding: gzip Content-Length: 3922 Content-Type: text/html; charset=utf-8 Date: Thu, 29 Oct 2026 16:35:08 GMT Expires: Thu, 19 Nov 1981 08:52:00 GMT Pragma: no-cache Server: wts Set-Cookie: lg=cn; path=/, PbootSystem=4hjm796eleg36g3fsd133c7dlc; path=/ Vary: Accept-Encoding X-Ua-Compatible: IE=edge,chrome=1 |
|
联通
河北廊坊
|
211.149.225.81 （四川绵阳电信） | 200 | 1.103s | 1.007s | 0.038s |
下载时间：0.001s 下载大小：3.83KB 下载速度：3830KB/s HEAD：
HTTP/1.1 200 OK Cache-Control: no-store, no-cache, must-revalidate Connection: keep-alive Content-Encoding: gzip Content-Length: 3922 Content-Type: text/html; charset=utf-8 Date: Thu, 29 Oct 2026 16:35:08 GMT Expires: Thu, 19 Nov 1981 08:52:00 GMT Pragma: no-cache Server: wts Set-Cookie: lg=cn; path=/, PbootSystem=fb20ag23gjcu5cunglpptutpm8; path=/ Vary: Accept-Encoding X-Ua-Compatible: IE=edge,chrome=1 |
|
联通
河南南阳
|
解析失败
解析失败：通常发生在网络请求中，设备无法通过DNS解析目标服务器的IP地。
|
0 | *s | *s | *s |
下载时间：*s 下载大小：*KB 下载速度：*KB/s HEAD：
|
|
联通
吉林长春
|
211.149.225.81 （四川绵阳电信） | 200 | 0.657s | 0.522s | 0.055s |
下载时间：0.001s 下载大小：3.83KB 下载速度：3830KB/s HEAD：
HTTP/1.1 200 OK Cache-Control: no-store, no-cache, must-revalidate Connection: keep-alive Content-Encoding: gzip Content-Length: 3922 Content-Type: text/html; charset=utf-8 Date: Thu, 29 Oct 2026 16:35:08 GMT Expires: Thu, 19 Nov 1981 08:52:00 GMT Pragma: no-cache Server: wts Set-Cookie: lg=cn; path=/, PbootSystem=602717jhh3f345lf390dj48j9o; path=/ Vary: Accept-Encoding X-Ua-Compatible: IE=edge,chrome=1 |
|
联通
江苏
|
211.149.225.81 （四川绵阳电信） | 200 | 0.489s | 0.352s | 0.057s |
下载时间：0s 下载大小：3.83KB 下载速度：0KB/s HEAD：
HTTP/1.1 200 OK Cache-Control: no-store, no-cache, must-revalidate Connection: keep-alive Content-Encoding: gzip Content-Length: 3922 Content-Type: text/html; charset=utf-8 Date: Thu, 29 Oct 2026 16:35:08 GMT Expires: Thu, 19 Nov 1981 08:52:00 GMT Pragma: no-cache Server: wts Set-Cookie: lg=cn; path=/, PbootSystem=nqcouhsamraemt4h44gpshmi34; path=/ Vary: Accept-Encoding X-Ua-Compatible: IE=edge,chrome=1 |
|
联通
辽宁营口
|
211.149.225.81 （四川绵阳电信） | 200 | 0.526s | 0.391s | 0.056s |
下载时间：0s 下载大小：3.83KB 下载速度：0KB/s HEAD：
HTTP/1.1 200 OK Cache-Control: no-store, no-cache, must-revalidate Connection: keep-alive Content-Encoding: gzip Content-Length: 3922 Content-Type: text/html; charset=utf-8 Date: Thu, 29 Oct 2026 16:35:08 GMT Expires: Thu, 19 Nov 1981 08:52:00 GMT Pragma: no-cache Server: wts Set-Cookie: lg=cn; path=/, PbootSystem=mione7jeg8ficdg6g4g5cm598m; path=/ Vary: Accept-Encoding X-Ua-Compatible: IE=edge,chrome=1 |
|
联通
山西临汾
|
211.149.225.81 （四川绵阳电信） | 200 | 1.182s | 1.056s | 0.037s |
下载时间：0s 下载大小：3.83KB 下载速度：0KB/s HEAD：
HTTP/1.1 200 OK Cache-Control: no-store, no-cache, must-revalidate Connection: keep-alive Content-Encoding: gzip Content-Length: 3922 Content-Type: text/html; charset=utf-8 Date: Thu, 29 Oct 2026 16:35:08 GMT Expires: Thu, 19 Nov 1981 08:52:00 GMT Pragma: no-cache Server: wts Set-Cookie: lg=cn; path=/, PbootSystem=d569ejp4rphfufvoli8980laqe; path=/ Vary: Accept-Encoding X-Ua-Compatible: IE=edge,chrome=1 |
|
联通
天津
|
211.149.225.81 （四川绵阳电信） | 200 | 0.41s | 0.301s | 0.043s |
下载时间：0s 下载大小：3.83KB 下载速度：0KB/s HEAD：
HTTP/1.1 200 OK Cache-Control: no-store, no-cache, must-revalidate Connection: keep-alive Content-Encoding: gzip Content-Length: 3922 Content-Type: text/html; charset=utf-8 Date: Thu, 29 Oct 2026 16:35:08 GMT Expires: Thu, 19 Nov 1981 08:52:00 GMT Pragma: no-cache Server: wts Set-Cookie: lg=cn; path=/, PbootSystem=o50u1iu8rqmo364lc4lep50emd; path=/ Vary: Accept-Encoding X-Ua-Compatible: IE=edge,chrome=1 |
|
联通
云南昆明
|
211.149.225.81 （四川绵阳电信） | 200 | 0.361s | 0.301s | 0.019s |
下载时间：0s 下载大小：3.83KB 下载速度：0KB/s HEAD：
HTTP/1.1 200 OK Cache-Control: no-store, no-cache, must-revalidate Connection: keep-alive Content-Encoding: gzip Content-Length: 3922 Content-Type: text/html; charset=utf-8 Date: Thu, 29 Oct 2026 16:35:08 GMT Expires: Thu, 19 Nov 1981 08:52:00 GMT Pragma: no-cache Server: wts Set-Cookie: lg=cn; path=/, PbootSystem=vm698ilvm6rtms96aknam2hija; path=/ Vary: Accept-Encoding X-Ua-Compatible: IE=edge,chrome=1 |
查询结果仅供参考，不保证100%准确。
最新检测
网站测速
PING检测
劫持检测
