检测节点
| 区域/运营商 | 响应最快 | 响应最慢 | 平均响应 |
|---|---|---|---|
| 全部 | -1.047s | 贵州贵阳移动9.336s | 5.302s |
| 电信 | -1.047s | -6.575s | 3.832s |
| 移动 | 广西南宁移动4.246s | 贵州贵阳移动9.336s | 6.199s |
| 联通 | 湖北宜昌联通5.742s | 吉林长春联通6.601s | 6.203s |
| 华东 | 江苏淮安电信1.287s | 山东烟台联通6.558s | 4.946s |
| 华北 | 天津电信3.241s | -6.216s | 5.005s |
| 华南 | 广西南宁移动4.246s | 广西南宁移动4.246s | 4.246s |
| 华中 | -1.047s | 湖北宜昌联通5.742s | 3.336s |
| 西北 | 甘肃兰州移动5.883s | 新疆乌鲁木齐电信6.575s | 6.311s |
| 西南 | 贵州黔南布依族苗族自治州电信4.216s | 贵州贵阳移动9.336s | 6.709s |
| 东北 | 辽宁盘锦电信4.265s | 吉林长春联通6.601s | 5.985s |
|
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
西藏
|
8.135.45.92 （广东深圳阿里云） | 200 | 6.575s | 0.001s | 0.074s |
下载时间：4.757s 下载大小：0KB 下载速度：0KB/s HEAD：
HTTP/1.1 301 Moved Permanently Date: Thu, 15 Oct 2026 17:12:10 GMT Server: Apache Location: http://www.kejian-tech.com Vary: Accept-Encoding Content-Encoding: gzip Content-Length: 193 Content-Type: text/html; charset=iso-8859-1 HTTP/1.1 301 Moved Permanently Date: Thu, 15 Oct 2026 17:12:10 GMT Server: Apache Location: https://www.kejian-tech.com Vary: Accept-Encoding Content-Encoding: gzip Content-Length: 194 Content-Type: text/html; charset=iso-8859-1 HTTP/1.1 200 OK Date: Thu, 15 Oct 2026 17:12:12 GMT Server: Apache Expires: Thu, 19 Nov 1981 08:52:00 GMT Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0 Pragma: no-cache Set-Cookie: PHPSESSID=79708alk0uvvjf4d2q1spb1mp7; path=/ Vary: User-Agent,Accept-Encoding Content-Encoding: gzip |
|
电信
河南
|
8.135.45.92 （广东深圳阿里云） | 200 | 1.047s | 0.002s | 0.039s |
下载时间：0.337s 下载大小：0KB 下载速度：0KB/s HEAD：
HTTP/1.1 301 Moved Permanently Date: Thu, 15 Oct 2026 17:12:26 GMT Server: Apache Location: http://www.kejian-tech.com Vary: Accept-Encoding Content-Encoding: gzip Content-Length: 193 Content-Type: text/html; charset=iso-8859-1 HTTP/1.1 301 Moved Permanently Date: Thu, 15 Oct 2026 17:12:26 GMT Server: Apache Location: https://www.kejian-tech.com Vary: Accept-Encoding Content-Encoding: gzip Content-Length: 194 Content-Type: text/html; charset=iso-8859-1 HTTP/1.1 200 OK Date: Thu, 15 Oct 2026 17:12:26 GMT Server: Apache Expires: Thu, 19 Nov 1981 08:52:00 GMT Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0 Pragma: no-cache Set-Cookie: PHPSESSID=hv4gs7h88f28e8mk31537cd3s5; path=/ Vary: User-Agent,Accept-Encoding Content-Encoding: gzip |
|
电信
福建厦门
|
8.135.45.92 （广东深圳阿里云） | 200 | 1.651s | 0.4s | 0.018s |
下载时间：0.001s 下载大小：0KB 下载速度：0KB/s HEAD：
HTTP/1.1 200 OK Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0 Content-Encoding: gzip Content-Length: 12220 Content-Type: text/html; charset=utf-8 Date: Thu, 15 Oct 2026 17:12:07 GMT Expires: Thu, 19 Nov 1981 08:52:00 GMT Pragma: no-cache Server: Apache Set-Cookie: PHPSESSID=f5pc91qlnjbr74hmslbr2u0rn7; path=/ Vary: User-Agent,Accept-Encoding |
|
电信
贵州黔南布依族苗族自治州
|
8.135.45.92 （广东深圳阿里云） | 200 | 4.216s | 3.272s | 0.031s |
下载时间：0.001s 下载大小：0KB 下载速度：0KB/s HEAD：
HTTP/1.1 200 OK Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0 Content-Encoding: gzip Content-Length: 12220 Content-Type: text/html; charset=utf-8 Date: Thu, 15 Oct 2026 17:12:09 GMT Expires: Thu, 19 Nov 1981 08:52:00 GMT Pragma: no-cache Server: Apache Set-Cookie: PHPSESSID=hrab7kjvd39vjauhaa83ajhth2; path=/ Vary: User-Agent,Accept-Encoding |
|
电信
河北唐山
|
8.135.45.92 （广东深圳阿里云） | 200 | 4.765s | 3.78s | 0.043s |
下载时间：0.001s 下载大小：0KB 下载速度：0KB/s HEAD：
HTTP/1.1 200 OK Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0 Content-Encoding: gzip Content-Length: 12220 Content-Type: text/html; charset=utf-8 Date: Thu, 15 Oct 2026 17:12:10 GMT Expires: Thu, 19 Nov 1981 08:52:00 GMT Pragma: no-cache Server: Apache Set-Cookie: PHPSESSID=gih4o1v6ejhmjghmql85qj1ke7; path=/ Vary: User-Agent,Accept-Encoding |
|
电信
湖南长沙
|
8.135.45.92 （广东深圳阿里云） | 200 | 3.218s | 1.775s | 0.026s |
下载时间：0.001s 下载大小：0KB 下载速度：0KB/s HEAD：
HTTP/1.1 200 OK Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0 Content-Encoding: gzip Content-Length: 12220 Content-Type: text/html; charset=utf-8 Date: Thu, 15 Oct 2026 17:12:08 GMT Expires: Thu, 19 Nov 1981 08:52:00 GMT Pragma: no-cache Server: Apache Set-Cookie: PHPSESSID=i52am2vtpgkou9legcb4jg0gq3; path=/ Vary: User-Agent,Accept-Encoding |
|
电信
吉林长春
|
8.135.45.92 （广东深圳阿里云） | 200 | 5.31s | 4.271s | 0.069s |
下载时间：0.001s 下载大小：0KB 下载速度：0KB/s HEAD：
HTTP/1.1 200 OK Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0 Content-Encoding: gzip Content-Length: 12220 Content-Type: text/html; charset=utf-8 Date: Thu, 15 Oct 2026 17:12:10 GMT Expires: Thu, 19 Nov 1981 08:52:00 GMT Pragma: no-cache Server: Apache Set-Cookie: PHPSESSID=jhbmb1v6pes740nab8lp0nooj4; path=/ Vary: User-Agent,Accept-Encoding |
|
电信
江苏淮安
|
8.135.45.92 （广东深圳阿里云） | 200 | 1.287s | 0.211s | 0.034s |
下载时间：0s 下载大小：0KB 下载速度：0KB/s HEAD：
HTTP/1.1 200 OK Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0 Content-Encoding: gzip Content-Length: 12220 Content-Type: text/html; charset=utf-8 Date: Thu, 15 Oct 2026 17:12:06 GMT Expires: Thu, 19 Nov 1981 08:52:00 GMT Pragma: no-cache Server: Apache Set-Cookie: PHPSESSID=5h4rcdtf8lf7giqhbdshijh1n0; path=/ Vary: User-Agent,Accept-Encoding |
|
电信
辽宁盘锦
|
8.135.45.92 （广东深圳阿里云） | 200 | 4.265s | 3.341s | 0.058s |
下载时间：0.001s 下载大小：0KB 下载速度：0KB/s HEAD：
HTTP/1.1 200 OK Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0 Content-Encoding: gzip Content-Length: 12220 Content-Type: text/html; charset=utf-8 Date: Thu, 15 Oct 2026 17:12:09 GMT Expires: Thu, 19 Nov 1981 08:52:00 GMT Pragma: no-cache Server: Apache Set-Cookie: PHPSESSID=pvr53td2oknm7qqonbnt3pi6j1; path=/ Vary: User-Agent,Accept-Encoding |
|
电信
天津
|
8.135.45.92 （广东深圳阿里云） | 200 | 3.241s | 2.545s | 0.041s |
下载时间：0.001s 下载大小：0KB 下载速度：0KB/s HEAD：
HTTP/1.1 200 OK Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0 Content-Encoding: gzip Content-Length: 12220 Content-Type: text/html; charset=utf-8 Date: Thu, 15 Oct 2026 17:12:08 GMT Expires: Thu, 19 Nov 1981 08:52:00 GMT Pragma: no-cache Server: Apache Set-Cookie: PHPSESSID=32t1dd4bnbh5bjkbejrl0u87g3; path=/ Vary: User-Agent,Accept-Encoding |
|
电信
新疆乌鲁木齐
|
8.135.45.92 （广东深圳阿里云） | 200 | 6.575s | 4.897s | 0.075s |
下载时间：0.001s 下载大小：0KB 下载速度：0KB/s HEAD：
HTTP/1.1 200 OK Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0 Content-Encoding: gzip Content-Length: 12220 Content-Type: text/html; charset=utf-8 Date: Thu, 15 Oct 2026 17:12:11 GMT Expires: Thu, 19 Nov 1981 08:52:00 GMT Pragma: no-cache Server: Apache Set-Cookie: PHPSESSID=pscafvtl0a8q0fdo7dootimor7; path=/ Vary: User-Agent,Accept-Encoding |
|
移动
内蒙古
|
8.135.45.92 （广东深圳阿里云） | 200 | 6.216s | 0.002s | 0.05s |
下载时间：4.707s 下载大小：0KB 下载速度：0KB/s HEAD：
HTTP/1.1 301 Moved Permanently Date: Thu, 15 Oct 2026 17:12:09 GMT Server: Apache Location: http://www.kejian-tech.com Vary: Accept-Encoding Content-Encoding: gzip Content-Length: 193 Content-Type: text/html; charset=iso-8859-1 HTTP/1.1 301 Moved Permanently Date: Thu, 15 Oct 2026 17:12:10 GMT Server: Apache Location: https://www.kejian-tech.com Vary: Accept-Encoding Content-Encoding: gzip Content-Length: 194 Content-Type: text/html; charset=iso-8859-1 HTTP/1.1 200 OK Date: Thu, 15 Oct 2026 17:12:11 GMT Server: Apache Expires: Thu, 19 Nov 1981 08:52:00 GMT Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0 Pragma: no-cache Set-Cookie: PHPSESSID=u4i9cd0le1ohanva54468a2ie7; path=/ Vary: User-Agent,Accept-Encoding Content-Encoding: gzip |
|
移动
安徽六安
|
8.135.45.92 （广东深圳阿里云） | 200 | 5.247s | 4.343s | 0.045s |
下载时间：0.001s 下载大小：0KB 下载速度：0KB/s HEAD：
HTTP/1.1 200 OK Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0 Content-Encoding: gzip Content-Length: 12220 Content-Type: text/html; charset=utf-8 Date: Thu, 15 Oct 2026 17:12:10 GMT Expires: Thu, 19 Nov 1981 08:52:00 GMT Pragma: no-cache Server: Apache Set-Cookie: PHPSESSID=3ms9896955j68op09g1ro6mi60; path=/ Vary: User-Agent,Accept-Encoding |
|
移动
北京
|
8.135.45.92 （广东深圳阿里云） | 0 | *s | *s | *s |
下载时间：*s 下载大小：*KB 下载速度：*KB/s HEAD：
|
|
移动
甘肃兰州
|
8.135.45.92 （广东深圳阿里云） | 200 | 5.883s | 4.772s | 0.053s |
下载时间：0s 下载大小：0KB 下载速度：0KB/s HEAD：
HTTP/1.1 200 OK Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0 Content-Encoding: gzip Content-Length: 12220 Content-Type: text/html; charset=utf-8 Date: Thu, 15 Oct 2026 17:12:11 GMT Expires: Thu, 19 Nov 1981 08:52:00 GMT Pragma: no-cache Server: Apache Set-Cookie: PHPSESSID=93dpne5p9deh544j0e9fjnmkg2; path=/ Vary: User-Agent,Accept-Encoding |
|
移动
广西南宁
|
8.135.45.92 （广东深圳阿里云） | 200 | 4.246s | 3.404s | 0.034s |
下载时间：0.001s 下载大小：0KB 下载速度：0KB/s HEAD：
HTTP/1.1 200 OK Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0 Content-Encoding: gzip Content-Length: 12220 Content-Type: text/html; charset=utf-8 Date: Thu, 15 Oct 2026 17:12:09 GMT Expires: Thu, 19 Nov 1981 08:52:00 GMT Pragma: no-cache Server: Apache Set-Cookie: PHPSESSID=qblbgkh9476m1ope6fojqkcnj7; path=/ Vary: User-Agent,Accept-Encoding |
|
移动
贵州贵阳
|
8.135.45.92 （广东深圳阿里云） | 200 | 9.336s | 8.824s | 0.027s |
下载时间：0s 下载大小：0KB 下载速度：0KB/s HEAD：
HTTP/1.1 200 OK Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0 Content-Encoding: gzip Content-Length: 12220 Content-Type: text/html; charset=utf-8 Date: Thu, 15 Oct 2026 17:12:14 GMT Expires: Thu, 19 Nov 1981 08:52:00 GMT Pragma: no-cache Server: Apache Set-Cookie: PHPSESSID=2km11ek9c3e7rh0678esdpq237; path=/ Vary: User-Agent,Accept-Encoding |
|
移动
黑龙江鸡西
|
8.135.45.92 （广东深圳阿里云） | 200 | 6.591s | 4.77s | 0.071s |
下载时间：0.001s 下载大小：0KB 下载速度：0KB/s HEAD：
HTTP/1.1 200 OK Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0 Content-Encoding: gzip Content-Length: 12220 Content-Type: text/html; charset=utf-8 Date: Thu, 15 Oct 2026 17:12:11 GMT Expires: Thu, 19 Nov 1981 08:52:00 GMT Pragma: no-cache Server: Apache Set-Cookie: PHPSESSID=8bvp4c4rc1696oehi0ecokrr03; path=/ Vary: User-Agent,Accept-Encoding |
|
移动
吉林长春
|
8.135.45.92 （广东深圳阿里云） | 200 | 6.597s | 4.899s | 0.065s |
下载时间：0.001s 下载大小：0KB 下载速度：0KB/s HEAD：
HTTP/1.1 200 OK Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0 Content-Encoding: gzip Content-Length: 12220 Content-Type: text/html; charset=utf-8 Date: Thu, 15 Oct 2026 17:12:11 GMT Expires: Thu, 19 Nov 1981 08:52:00 GMT Pragma: no-cache Server: Apache Set-Cookie: PHPSESSID=t20o77dg8k43473ulvu45rsm27; path=/ Vary: User-Agent,Accept-Encoding |
|
移动
江苏常州
|
8.135.45.92 （广东深圳阿里云） | 200 | 6.555s | 4.87s | 0.038s |
下载时间：0s 下载大小：0KB 下载速度：0KB/s HEAD：
HTTP/1.1 200 OK Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0 Content-Encoding: gzip Content-Length: 12220 Content-Type: text/html; charset=utf-8 Date: Thu, 15 Oct 2026 17:12:11 GMT Expires: Thu, 19 Nov 1981 08:52:00 GMT Pragma: no-cache Server: Apache Set-Cookie: PHPSESSID=k0loncvsuldal967bpev116kq6; path=/ Vary: User-Agent,Accept-Encoding |
|
移动
辽宁大连
|
8.135.45.92 （广东深圳阿里云） | 200 | 6.546s | 4.736s | 0.072s |
下载时间：0.001s 下载大小：0KB 下载速度：0KB/s HEAD：
HTTP/1.1 200 OK Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0 Content-Encoding: gzip Content-Length: 12220 Content-Type: text/html; charset=utf-8 Date: Thu, 15 Oct 2026 17:12:11 GMT Expires: Thu, 19 Nov 1981 08:52:00 GMT Pragma: no-cache Server: Apache Set-Cookie: PHPSESSID=8m57eait8ato62cd7fpjsv8pu5; path=/ Vary: User-Agent,Accept-Encoding |
|
移动
山东青岛
|
8.135.45.92 （广东深圳阿里云） | 200 | 6.174s | 4.728s | 0.055s |
下载时间：0.001s 下载大小：0KB 下载速度：0KB/s HEAD：
HTTP/1.1 200 OK Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0 Content-Encoding: gzip Content-Length: 12220 Content-Type: text/html; charset=utf-8 Date: Thu, 15 Oct 2026 17:12:11 GMT Expires: Thu, 19 Nov 1981 08:52:00 GMT Pragma: no-cache Server: Apache Set-Cookie: PHPSESSID=07t3mgd48ufn4dlqbh8id72pe1; path=/ Vary: User-Agent,Accept-Encoding |
|
移动
山西长治
|
8.135.45.92 （广东深圳阿里云） | 200 | 5.799s | 4.766s | 0.042s |
下载时间：0s 下载大小：0KB 下载速度：0KB/s HEAD：
HTTP/1.1 200 OK Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0 Content-Encoding: gzip Content-Length: 12220 Content-Type: text/html; charset=utf-8 Date: Thu, 15 Oct 2026 17:12:11 GMT Expires: Thu, 19 Nov 1981 08:52:00 GMT Pragma: no-cache Server: Apache Set-Cookie: PHPSESSID=s0ulb237q0qm0e41et0tb5jjo6; path=/ Vary: User-Agent,Accept-Encoding |
|
移动
上海
|
8.135.45.92 （广东深圳阿里云） | 200 | 5.202s | 4.32s | 0.031s |
下载时间：0.001s 下载大小：0KB 下载速度：0KB/s HEAD：
HTTP/1.1 200 OK Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0 Content-Encoding: gzip Content-Length: 12220 Content-Type: text/html; charset=utf-8 Date: Thu, 15 Oct 2026 17:12:10 GMT Expires: Thu, 19 Nov 1981 08:52:00 GMT Pragma: no-cache Server: Apache Set-Cookie: PHPSESSID=lntk3deumq3jj6pdgb9tdu65f3; path=/ Vary: User-Agent,Accept-Encoding |
|
联通
甘肃庆阳
|
8.135.45.92 （广东深圳阿里云） | 200 | 6.474s | 4.801s | 0.052s |
下载时间：0.001s 下载大小：0KB 下载速度：0KB/s HEAD：
HTTP/1.1 200 OK Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0 Content-Encoding: gzip Content-Length: 12220 Content-Type: text/html; charset=utf-8 Date: Thu, 15 Oct 2026 17:12:11 GMT Expires: Thu, 19 Nov 1981 08:52:00 GMT Pragma: no-cache Server: Apache Set-Cookie: PHPSESSID=pjqmr91739lg1n7vgp8g62rg13; path=/ Vary: User-Agent,Accept-Encoding |
|
联通
湖北宜昌
|
8.135.45.92 （广东深圳阿里云） | 200 | 5.742s | 4.773s | 0.04s |
下载时间：0.001s 下载大小：0KB 下载速度：0KB/s HEAD：
HTTP/1.1 200 OK Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0 Content-Encoding: gzip Content-Length: 12220 Content-Type: text/html; charset=utf-8 Date: Thu, 15 Oct 2026 17:12:11 GMT Expires: Thu, 19 Nov 1981 08:52:00 GMT Pragma: no-cache Server: Apache Set-Cookie: PHPSESSID=223q4k0qcp788435osuhalvr35; path=/ Vary: User-Agent,Accept-Encoding |
|
联通
吉林长春
|
8.135.45.92 （广东深圳阿里云） | 200 | 6.601s | 5.507s | 0.062s |
下载时间：0.001s 下载大小：0KB 下载速度：0KB/s HEAD：
HTTP/1.1 200 OK Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0 Content-Encoding: gzip Content-Length: 12220 Content-Type: text/html; charset=utf-8 Date: Thu, 15 Oct 2026 17:12:11 GMT Expires: Thu, 19 Nov 1981 08:52:00 GMT Pragma: no-cache Server: Apache Set-Cookie: PHPSESSID=drrigeu0cicuaemu7m2tiurg90; path=/ Vary: User-Agent,Accept-Encoding |
|
联通
江苏
|
8.135.45.92 （广东深圳阿里云） | 200 | 6.094s | 4.769s | 0.076s |
下载时间：0.001s 下载大小：0KB 下载速度：0KB/s HEAD：
HTTP/1.1 200 OK Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0 Content-Encoding: gzip Content-Length: 12220 Content-Type: text/html; charset=utf-8 Date: Thu, 15 Oct 2026 17:12:11 GMT Expires: Thu, 19 Nov 1981 08:52:00 GMT Pragma: no-cache Server: Apache Set-Cookie: PHPSESSID=2snqua8o69lbpnd1eh557u20e7; path=/ Vary: User-Agent,Accept-Encoding |
|
联通
山东烟台
|
8.135.45.92 （广东深圳阿里云） | 200 | 6.558s | 4.817s | 0.056s |
下载时间：0.001s 下载大小：0KB 下载速度：0KB/s HEAD：
HTTP/1.1 200 OK Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0 Content-Encoding: gzip Content-Length: 12220 Content-Type: text/html; charset=utf-8 Date: Thu, 15 Oct 2026 17:12:11 GMT Expires: Thu, 19 Nov 1981 08:52:00 GMT Pragma: no-cache Server: Apache Set-Cookie: PHPSESSID=m4dh9kmufndd2pgfstpk84cp71; path=/ Vary: User-Agent,Accept-Encoding |
|
联通
浙江金华
|
8.135.45.92 （广东深圳阿里云） | 200 | 5.749s | 4.78s | 0.038s |
下载时间：0.001s 下载大小：0KB 下载速度：0KB/s HEAD：
HTTP/1.1 200 OK Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0 Content-Encoding: gzip Content-Length: 12220 Content-Type: text/html; charset=utf-8 Date: Thu, 15 Oct 2026 17:12:11 GMT Expires: Thu, 19 Nov 1981 08:52:00 GMT Pragma: no-cache Server: Apache Set-Cookie: PHPSESSID=drljjren3pfeg3rnljdoinqf34; path=/ Vary: User-Agent,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
