检测节点
| 区域/运营商 | 响应最快 | 响应最慢 | 平均响应 |
|---|---|---|---|
| 全部 | 上海电信0.246s | -7.096s | 1.401s |
| 电信 | 上海电信0.246s | 安徽合肥电信1.436s | 0.692s |
| 移动 | 江苏无锡移动0.325s | -7.096s | 1.922s |
| 联通 | 山西长治联通1.124s | 安徽亳州联通2.617s | 1.595s |
| 华东 | 上海电信0.246s | 安徽亳州联通2.617s | 0.962s |
| 华北 | 河北唐山电信0.441s | -2.13s | 1.125s |
| 华南 | 广西梧州移动1.192s | -7.096s | 3.263s |
| 华中 | 河南驻马店电信0.584s | 湖南邵阳联通1.666s | 1.07s |
| 西北 | 新疆昌吉回族自治州移动0.771s | 甘肃庆阳联通1.128s | 0.95s |
| 西南 | 贵州黔南布依族苗族自治州移动5.646s | 贵州黔南布依族苗族自治州移动5.646s | 5.646s |
| 东北 | 黑龙江鸡西移动0.475s | 吉林长春移动1.045s | 0.793s |
|
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
|
154.91.17.246 (香港香港罗格朗(法国)有限公司) | 200 | 0.728s | 0.001s | 0.06s |
下载时间:0.324s 下载大小:4.26KB 下载速度:13.148KB/s HEAD:
HTTP/1.1 301 Moved Permanently Server: nginx Date: Wed, 11 Nov 2026 16:21:45 GMT Content-Type: text/html Transfer-Encoding: chunked Connection: keep-alive Location: https://wmspd.cn/ Strict-Transport-Security: max-age=31536000 HTTP/1.1 200 OK Server: nginx Date: Wed, 11 Nov 2026 16:21:45 GMT Content-Type: text/html; charset=UTF-8 Transfer-Encoding: chunked Connection: keep-alive Vary: Accept-Encoding Set-Cookie: PHPSESSID=8pahsplairqsbtgjvjkp496sdp; path=/; HttpOnly Expires: Thu, 19 Nov 1981 08:52:00 GMT Cache-Control: no-store, no-cache, must-revalidate Pragma: no-cache Strict-Transport-Security: max-age=31536000 Content-Encoding: gzip |
|
电信
安徽合肥
|
154.91.17.246 (香港香港罗格朗(法国)有限公司) | 200 | 1.436s | 1.296s | 0.036s |
下载时间:0s 下载大小:4.26KB 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-Type: text/html; charset=UTF-8 Date: Wed, 11 Nov 2026 16:21:26 GMT Expires: Thu, 19 Nov 1981 08:52:00 GMT Pragma: no-cache Server: nginx Set-Cookie: PHPSESSID=idjfsdkb3m421khlk69lcugt31; path=/; HttpOnly Strict-Transport-Security: max-age=31536000 Vary: Accept-Encoding |
|
电信
河北唐山
|
154.91.17.246 (香港香港罗格朗(法国)有限公司) | 200 | 0.441s | 0.234s | 0.056s |
下载时间:0.001s 下载大小:4.26KB 下载速度:4260KB/s HEAD:
HTTP/1.1 200 OK Cache-Control: no-store, no-cache, must-revalidate Connection: keep-alive Content-Encoding: gzip Content-Type: text/html; charset=UTF-8 Date: Wed, 11 Nov 2026 16:21:25 GMT Expires: Thu, 19 Nov 1981 08:52:00 GMT Pragma: no-cache Server: nginx Set-Cookie: PHPSESSID=7j3ovjo9sa1v94gt78mcu8caqm; path=/; HttpOnly Strict-Transport-Security: max-age=31536000 Vary: Accept-Encoding |
|
电信
河南驻马店
|
154.91.17.246 (香港香港罗格朗(法国)有限公司) | 200 | 0.584s | 0.246s | 0.06s |
下载时间:0s 下载大小:4.26KB 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-Type: text/html; charset=UTF-8 Date: Wed, 11 Nov 2026 16:21:25 GMT Expires: Thu, 19 Nov 1981 08:52:00 GMT Pragma: no-cache Server: nginx Set-Cookie: PHPSESSID=m40ldl7o72d9ter38pl79rg52u; path=/; HttpOnly Strict-Transport-Security: max-age=31536000 Vary: Accept-Encoding |
|
电信
吉林长春
|
154.91.17.246 (香港香港罗格朗(法国)有限公司) | 200 | 0.685s | 0.428s | 0.072s |
下载时间:0s 下载大小:4.26KB 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-Type: text/html; charset=UTF-8 Date: Wed, 11 Nov 2026 16:21:25 GMT Expires: Thu, 19 Nov 1981 08:52:00 GMT Pragma: no-cache Server: nginx Set-Cookie: PHPSESSID=0hkg74c9eadnk5j9mah3hpq85u; path=/; HttpOnly Strict-Transport-Security: max-age=31536000 Vary: Accept-Encoding |
|
电信
江西宜春
|
154.91.17.246 (香港香港罗格朗(法国)有限公司) | 200 | 0.769s | 0.568s | 0.032s |
下载时间:0.001s 下载大小:4.26KB 下载速度:4260KB/s HEAD:
HTTP/1.1 200 OK Cache-Control: no-store, no-cache, must-revalidate Connection: keep-alive Content-Encoding: gzip Content-Type: text/html; charset=UTF-8 Date: Wed, 11 Nov 2026 16:21:25 GMT Expires: Thu, 19 Nov 1981 08:52:00 GMT Pragma: no-cache Server: nginx Set-Cookie: PHPSESSID=1eoa9uqc8af2k12shlqu66h3hd; path=/; HttpOnly Strict-Transport-Security: max-age=31536000 Vary: Accept-Encoding |
|
电信
辽宁盘锦
|
154.91.17.246 (香港香港罗格朗(法国)有限公司) | 200 | 0.965s | 0.332s | 0.062s |
下载时间:0s 下载大小:4.26KB 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-Type: text/html; charset=UTF-8 Date: Wed, 11 Nov 2026 16:21:25 GMT Expires: Thu, 19 Nov 1981 08:52:00 GMT Pragma: no-cache Server: nginx Set-Cookie: PHPSESSID=5rjkp48i8f00c6jmn837ms3at9; path=/; HttpOnly Strict-Transport-Security: max-age=31536000 Vary: Accept-Encoding |
|
电信
内蒙古包头
|
154.91.17.246 (香港香港罗格朗(法国)有限公司) | 200 | 0.517s | 0.204s | 0.065s |
下载时间:0.001s 下载大小:4.26KB 下载速度:4260KB/s HEAD:
HTTP/1.1 200 OK Cache-Control: no-store, no-cache, must-revalidate Connection: keep-alive Content-Encoding: gzip Content-Type: text/html; charset=UTF-8 Date: Wed, 11 Nov 2026 16:21:25 GMT Expires: Thu, 19 Nov 1981 08:52:00 GMT Pragma: no-cache Server: nginx Set-Cookie: PHPSESSID=gevaoq575fuq59vun9gtjd3iup; path=/; HttpOnly Strict-Transport-Security: max-age=31536000 Vary: Accept-Encoding |
|
电信
上海
|
154.91.17.246 (香港香港罗格朗(法国)有限公司) | 200 | 0.246s | 0.108s | 0.036s |
下载时间:0s 下载大小:4.26KB 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-Type: text/html; charset=UTF-8 Date: Wed, 11 Nov 2026 16:21:25 GMT Expires: Thu, 19 Nov 1981 08:52:00 GMT Pragma: no-cache Server: nginx Set-Cookie: PHPSESSID=4c72q96mdglas1cgdghnrp5vv2; path=/; HttpOnly Strict-Transport-Security: max-age=31536000 Vary: Accept-Encoding |
|
电信
浙江温州
|
154.91.17.246 (香港香港罗格朗(法国)有限公司) | 200 | 0.55s | 0.354s | 0.045s |
下载时间:0s 下载大小:4.26KB 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-Type: text/html; charset=UTF-8 Date: Wed, 11 Nov 2026 16:21:25 GMT Expires: Thu, 19 Nov 1981 08:52:00 GMT Pragma: no-cache Server: nginx Set-Cookie: PHPSESSID=99abe3r8a37le1ak78gbi157sr; path=/; HttpOnly Strict-Transport-Security: max-age=31536000 Vary: Accept-Encoding |
|
移动
海南
|
154.91.17.246 (香港香港罗格朗(法国)有限公司) | 200 | 7.096s | 0.057s | 0.031s |
下载时间:5.763s 下载大小:4.26KB 下载速度:0.739KB/s HEAD:
HTTP/1.1 301 Moved Permanently Server: nginx Date: Wed, 11 Nov 2026 16:21:30 GMT Content-Type: text/html Transfer-Encoding: chunked Connection: keep-alive Location: https://wmspd.cn/ Strict-Transport-Security: max-age=31536000 HTTP/1.1 200 OK Server: nginx Date: Wed, 11 Nov 2026 16:21:32 GMT Content-Type: text/html; charset=UTF-8 Transfer-Encoding: chunked Connection: keep-alive Vary: Accept-Encoding Set-Cookie: PHPSESSID=f379684fabho72ft23l133hif8; path=/; HttpOnly Expires: Thu, 19 Nov 1981 08:52:00 GMT Cache-Control: no-store, no-cache, must-revalidate Pragma: no-cache Strict-Transport-Security: max-age=31536000 Content-Encoding: gzip |
|
移动
北京
|
154.91.17.246 (香港香港罗格朗(法国)有限公司) | 200 | 2.13s | 0.001s | 0.066s |
下载时间:0.599s 下载大小:4.26KB 下载速度:7.112KB/s HEAD:
HTTP/1.1 301 Moved Permanently Server: nginx Date: Wed, 11 Nov 2026 16:21:25 GMT Content-Type: text/html Transfer-Encoding: chunked Connection: keep-alive Location: https://wmspd.cn/ Strict-Transport-Security: max-age=31536000 HTTP/1.1 200 OK Server: nginx Date: Wed, 11 Nov 2026 16:21:27 GMT Content-Type: text/html; charset=UTF-8 Transfer-Encoding: chunked Connection: keep-alive Vary: Accept-Encoding Set-Cookie: PHPSESSID=5cnl7lvfhjbl59hblc8qjphknc; path=/; HttpOnly Expires: Thu, 19 Nov 1981 08:52:00 GMT Cache-Control: no-store, no-cache, must-revalidate Pragma: no-cache Strict-Transport-Security: max-age=31536000 Content-Encoding: gzip |
|
移动
安徽芜湖
|
154.91.17.246 (香港香港罗格朗(法国)有限公司) | 200 | 1.022s | 0.339s | 0.043s |
下载时间:0s 下载大小:4.26KB 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-Type: text/html; charset=UTF-8 Date: Wed, 11 Nov 2026 16:21:25 GMT Expires: Thu, 19 Nov 1981 08:52:00 GMT Pragma: no-cache Server: nginx Set-Cookie: PHPSESSID=g383igp0mhoq75jov561tm1f8m; path=/; HttpOnly Strict-Transport-Security: max-age=31536000 Vary: Accept-Encoding |
|
移动
福建福州
|
154.91.17.246 (香港香港罗格朗(法国)有限公司) | 0 | *s | *s | *s |
下载时间:*s 下载大小:*KB 下载速度:*KB/s HEAD:
|
|
移动
广西梧州
|
154.91.17.246 (香港香港罗格朗(法国)有限公司) | 200 | 1.192s | 0.469s | 0.22s |
下载时间:0s 下载大小:4.26KB 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-Type: text/html; charset=UTF-8 Date: Wed, 11 Nov 2026 16:21:26 GMT Expires: Thu, 19 Nov 1981 08:52:00 GMT Pragma: no-cache Server: nginx Set-Cookie: PHPSESSID=efi4j0t4fipb1jbijpnloapabq; path=/; HttpOnly Strict-Transport-Security: max-age=31536000 Vary: Accept-Encoding |
|
移动
贵州黔南布依族苗族自治州
|
154.91.17.246 (香港香港罗格朗(法国)有限公司) | 200 | 5.646s | 5.352s | 0.046s |
下载时间:0s 下载大小:4.26KB 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-Type: text/html; charset=UTF-8 Date: Wed, 11 Nov 2026 16:21:30 GMT Expires: Thu, 19 Nov 1981 08:52:00 GMT Pragma: no-cache Server: nginx Set-Cookie: PHPSESSID=31bna9qu9j9fqfq6stc6ho0ott; path=/; HttpOnly Strict-Transport-Security: max-age=31536000 Vary: Accept-Encoding |
|
移动
河北沧州
|
154.91.17.246 (香港香港罗格朗(法国)有限公司) | 200 | 0.79s | 0.38s | 0.059s |
下载时间:0s 下载大小:4.26KB 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-Type: text/html; charset=UTF-8 Date: Wed, 11 Nov 2026 16:21:25 GMT Expires: Thu, 19 Nov 1981 08:52:00 GMT Pragma: no-cache Server: nginx Set-Cookie: PHPSESSID=j1loed4tpd1hqc2hi4u2ifi3vp; path=/; HttpOnly Strict-Transport-Security: max-age=31536000 Vary: Accept-Encoding |
|
移动
黑龙江鸡西
|
154.91.17.246 (香港香港罗格朗(法国)有限公司) | 200 | 0.475s | 0.215s | 0.08s |
下载时间:0s 下载大小:4.26KB 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-Type: text/html; charset=UTF-8 Date: Wed, 11 Nov 2026 16:21:25 GMT Expires: Thu, 19 Nov 1981 08:52:00 GMT Pragma: no-cache Server: nginx Set-Cookie: PHPSESSID=vgo5pu2k6ap4pqttlj95v4p9g0; path=/; HttpOnly Strict-Transport-Security: max-age=31536000 Vary: Accept-Encoding |
|
移动
湖北鄂州
|
154.91.17.246 (香港香港罗格朗(法国)有限公司) | 200 | 0.647s | 0.471s | 0.04s |
下载时间:0s 下载大小:4.26KB 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-Type: text/html; charset=UTF-8 Date: Wed, 11 Nov 2026 16:21:25 GMT Expires: Thu, 19 Nov 1981 08:52:00 GMT Pragma: no-cache Server: nginx Set-Cookie: PHPSESSID=0a0j0d6fritor28f86l158mm7d; path=/; HttpOnly Strict-Transport-Security: max-age=31536000 Vary: Accept-Encoding |
|
移动
吉林长春
|
154.91.17.246 (香港香港罗格朗(法国)有限公司) | 200 | 1.045s | 0.68s | 0.075s |
下载时间:0s 下载大小:4.26KB 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-Type: text/html; charset=UTF-8 Date: Wed, 11 Nov 2026 16:21:25 GMT Expires: Thu, 19 Nov 1981 08:52:00 GMT Pragma: no-cache Server: nginx Set-Cookie: PHPSESSID=5o0qavbkeuvk7if14656ae7l6o; path=/; HttpOnly Strict-Transport-Security: max-age=31536000 Vary: Accept-Encoding |
|
移动
江苏无锡
|
154.91.17.246 (香港香港罗格朗(法国)有限公司) | 200 | 0.325s | 0.142s | 0.039s |
下载时间:0.001s 下载大小:4.26KB 下载速度:4260KB/s HEAD:
HTTP/1.1 200 OK Cache-Control: no-store, no-cache, must-revalidate Connection: keep-alive Content-Encoding: gzip Content-Type: text/html; charset=UTF-8 Date: Wed, 11 Nov 2026 16:21:25 GMT Expires: Thu, 19 Nov 1981 08:52:00 GMT Pragma: no-cache Server: nginx Set-Cookie: PHPSESSID=kaqifq0mp3j127h28e48nk67u0; path=/; HttpOnly Strict-Transport-Security: max-age=31536000 Vary: Accept-Encoding |
|
移动
新疆昌吉回族自治州
|
154.91.17.246 (香港香港罗格朗(法国)有限公司) | 200 | 0.771s | 0.469s | 0.086s |
下载时间:0s 下载大小:4.26KB 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-Type: text/html; charset=UTF-8 Date: Wed, 11 Nov 2026 16:21:25 GMT Expires: Thu, 19 Nov 1981 08:52:00 GMT Pragma: no-cache Server: nginx Set-Cookie: PHPSESSID=mbsbc1vquags8a2nqta3dsehk5; path=/; HttpOnly Strict-Transport-Security: max-age=31536000 Vary: Accept-Encoding |
|
联通
北京
|
154.91.17.246 (香港香港罗格朗(法国)有限公司) | 200 | 1.749s | 0.001s | 0.201s |
下载时间:0.722s 下载大小:4.26KB 下载速度:5.9KB/s HEAD:
HTTP/1.1 301 Moved Permanently Server: nginx Date: Wed, 11 Nov 2026 16:21:25 GMT Content-Type: text/html Transfer-Encoding: chunked Connection: keep-alive Location: https://wmspd.cn/ Strict-Transport-Security: max-age=31536000 HTTP/1.1 200 OK Server: nginx Date: Wed, 11 Nov 2026 16:21:26 GMT Content-Type: text/html; charset=UTF-8 Transfer-Encoding: chunked Connection: keep-alive Vary: Accept-Encoding Set-Cookie: PHPSESSID=ah7arnpaan60tn8l31fipreu8v; path=/; HttpOnly Expires: Thu, 19 Nov 1981 08:52:00 GMT Cache-Control: no-store, no-cache, must-revalidate Pragma: no-cache Strict-Transport-Security: max-age=31536000 Content-Encoding: gzip |
|
联通
安徽亳州
|
154.91.17.246 (香港香港罗格朗(法国)有限公司) | 200 | 2.617s | 1.715s | 0.2s |
下载时间:0s 下载大小:4.26KB 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-Type: text/html; charset=UTF-8 Date: Wed, 11 Nov 2026 16:21:27 GMT Expires: Thu, 19 Nov 1981 08:52:00 GMT Pragma: no-cache Server: nginx Set-Cookie: PHPSESSID=ip8li4ru1gbtcamc771jeh1qal; path=/; HttpOnly Strict-Transport-Security: max-age=31536000 Vary: Accept-Encoding |
|
联通
甘肃庆阳
|
154.91.17.246 (香港香港罗格朗(法国)有限公司) | 200 | 1.128s | 0.502s | 0.198s |
下载时间:0s 下载大小:4.26KB 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-Type: text/html; charset=UTF-8 Date: Wed, 11 Nov 2026 16:21:25 GMT Expires: Thu, 19 Nov 1981 08:52:00 GMT Pragma: no-cache Server: nginx Set-Cookie: PHPSESSID=f2o0169msdr79fi7j52ag9bacl; path=/; HttpOnly Strict-Transport-Security: max-age=31536000 Vary: Accept-Encoding |
|
联通
广西梧州
|
154.91.17.246 (香港香港罗格朗(法国)有限公司) | 200 | 1.5s | 0.531s | 0.208s |
下载时间:0s 下载大小:4.26KB 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-Type: text/html; charset=UTF-8 Date: Wed, 11 Nov 2026 16:21:26 GMT Expires: Thu, 19 Nov 1981 08:52:00 GMT Pragma: no-cache Server: nginx Set-Cookie: PHPSESSID=52th5ku80geksq4hirs60iokig; path=/; HttpOnly Strict-Transport-Security: max-age=31536000 Vary: Accept-Encoding |
|
联通
河南南阳
|
154.91.17.246 (香港香港罗格朗(法国)有限公司) | 200 | 1.383s | 0.752s | 0.197s |
下载时间:0.001s 下载大小:4.26KB 下载速度:4260KB/s HEAD:
HTTP/1.1 200 OK Cache-Control: no-store, no-cache, must-revalidate Connection: keep-alive Content-Encoding: gzip Content-Type: text/html; charset=UTF-8 Date: Wed, 11 Nov 2026 16:21:26 GMT Expires: Thu, 19 Nov 1981 08:52:00 GMT Pragma: no-cache Server: nginx Set-Cookie: PHPSESSID=7bncigmkr6uco5eptjkd124lf2; path=/; HttpOnly Strict-Transport-Security: max-age=31536000 Vary: Accept-Encoding |
|
联通
湖南邵阳
|
154.91.17.246 (香港香港罗格朗(法国)有限公司) | 200 | 1.666s | 0.685s | 0.204s |
下载时间:0s 下载大小:4.26KB 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-Type: text/html; charset=UTF-8 Date: Wed, 11 Nov 2026 16:21:26 GMT Expires: Thu, 19 Nov 1981 08:52:00 GMT Pragma: no-cache Server: nginx Set-Cookie: PHPSESSID=kgnc81ble7rgvv00dqmfe12hsl; path=/; HttpOnly Strict-Transport-Security: max-age=31536000 Vary: Accept-Encoding |
|
联通
山西长治
|
154.91.17.246 (香港香港罗格朗(法国)有限公司) | 200 | 1.124s | 0.502s | 0.186s |
下载时间:0s 下载大小:4.26KB 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-Type: text/html; charset=UTF-8 Date: Wed, 11 Nov 2026 16:21:25 GMT Expires: Thu, 19 Nov 1981 08:52:00 GMT Pragma: no-cache Server: nginx Set-Cookie: PHPSESSID=um97htr9r5tjk3eq1dkhn8tfdk; path=/; HttpOnly Strict-Transport-Security: max-age=31536000 Vary: Accept-Encoding |
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