检测节点
| 区域/运营商 | 响应最快 | 响应最慢 | 平均响应 |
|---|---|---|---|
| 全部 | 湖南长沙电信0.412s | 上海电信3.652s | 1.045s |
| 电信 | 湖南长沙电信0.412s | 上海电信3.652s | 0.939s |
| 移动 | 广西北海移动0.483s | 江苏淮安移动2.484s | 1.15s |
| 联通 | -0.885s | 江苏联通1.416s | 1.102s |
| 华东 | 山东济南电信0.488s | 上海电信3.652s | 1.497s |
| 华北 | -0.612s | 山西临汾联通1.036s | 0.89s |
| 华南 | 广西桂林电信0.428s | 海南三亚联通1.13s | 0.68s |
| 华中 | 湖南长沙电信0.412s | 湖北襄阳移动0.69s | 0.586s |
| 西北 | -0.885s | 青海西宁电信1.639s | 1.135s |
| 西南 | 重庆电信0.455s | 四川成都电信0.708s | 0.566s |
| 东北 | 辽宁大连移动0.93s | 吉林长春移动2.24s | 1.335s |
|
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
北京
|
124.172.154.196 （广东佛山电信） | 200 | 0.612s | 0s | 0.04s |
下载时间：0.522s 下载大小：7.47KB 下载速度：14.31KB/s HEAD：
HTTP/1.1 301 Moved Permanently Server: nginx Date: Tue, 20 Oct 2026 16:37:04 GMT Content-Type: text/html; charset=UTF-8 Transfer-Encoding: chunked Connection: keep-alive X-Powered-By: PHP/7.1.9 Location: http://www.pvd888.com/ HTTP/1.1 302 Found Server: Safedog/4.0.0 Location: /?WebShieldDRSessionVerify=UsatNO1PNcaTxuPHXMcR Content-Length: 0 Connection: Close Content-Type: text/html HTTP/1.1 302 Found Server: Safedog/4.0.0 Location: / Content-Length: 0 Connection: Close Content-Type: text/html HTTP/1.1 200 OK Content-Length: 7653 Content-Type: text/html Content-Encoding: gzip Last-Modified: Fri, 09 Dec 2022 02:55:37 GMT Accept-Ranges: bytes ETag: "805acdb679bd91:0" Vary: Accept-Encoding Server: Microsoft-IIS/7.5 Set-Cookie: _d_id=65b50207fcdd5b7e710964d493e66b; Path=/; HttpOnly; SameSite=Strict Date: Tue, 20 Oct 2026 16:34:59 GMT |
|
电信
福建漳州
|
124.172.154.196 （广东佛山电信） | 200 | 0.621s | 0.553s | 0.017s |
下载时间：0.029s 下载大小：7.47KB 下载速度：257.586KB/s HEAD：
HTTP/1.1 200 OK Accept-Ranges: bytes Content-Encoding: gzip Content-Length: 7653 Content-Type: text/html Date: Tue, 20 Oct 2026 16:34:59 GMT Etag: "805acdb679bd91:0" Last-Modified: Fri, 09 Dec 2022 02:55:37 GMT Server: Microsoft-IIS/7.5 Set-Cookie: _d_id=65b30215fd474d7e71ec64d40c0d6b; Path=/; HttpOnly; SameSite=Strict Vary: Accept-Encoding |
|
电信
广西桂林
|
124.172.154.196 （广东佛山电信） | 200 | 0.428s | 0.328s | 0.025s |
下载时间：0.044s 下载大小：7.47KB 下载速度：169.773KB/s HEAD：
HTTP/1.1 200 OK Accept-Ranges: bytes Content-Encoding: gzip Content-Length: 7653 Content-Type: text/html Date: Tue, 20 Oct 2026 16:34:59 GMT Etag: "805acdb679bd91:0" Last-Modified: Fri, 09 Dec 2022 02:55:37 GMT Server: Microsoft-IIS/7.5 Set-Cookie: _d_id=65ad0219da181c7e71ec64d40c0d6b; Path=/; HttpOnly; SameSite=Strict Vary: Accept-Encoding |
|
电信
河南驻马店
|
124.172.154.196 （广东佛山电信） | 200 | 0.656s | 0.509s | 0.036s |
下载时间：0.062s 下载大小：7.47KB 下载速度：120.484KB/s HEAD：
HTTP/1.1 200 OK Accept-Ranges: bytes Content-Encoding: gzip Content-Length: 7653 Content-Type: text/html Date: Tue, 20 Oct 2026 16:34:59 GMT Etag: "805acdb679bd91:0" Last-Modified: Fri, 09 Dec 2022 02:55:37 GMT Server: Microsoft-IIS/7.5 Set-Cookie: _d_id=65b402c6d7b8cf7e71ec64d40c0d6b; Path=/; HttpOnly; SameSite=Strict Vary: Accept-Encoding |
|
电信
湖南长沙
|
124.172.154.196 （广东佛山电信） | 200 | 0.412s | 0.31s | 0.021s |
下载时间：0.052s 下载大小：9.93KB 下载速度：190.962KB/s HEAD：
HTTP/1.1 200 OK Accept-Ranges: bytes Content-Encoding: gzip Content-Length: 10173 Content-Type: text/html Date: Tue, 20 Oct 2026 16:34:59 GMT Etag: "c059fcb679bd91:0" Last-Modified: Fri, 09 Dec 2022 02:55:37 GMT Server: Microsoft-IIS/7.5 Set-Cookie: _d_id=65aa021c2f0bd87e71ec64d40c0d6b; Path=/; HttpOnly; SameSite=Strict Vary: Accept-Encoding |
|
电信
宁夏银川
|
124.172.154.196 （广东佛山电信） | 200 | 0.89s | 0.753s | 0.04s |
下载时间：0.052s 下载大小：7.47KB 下载速度：143.654KB/s HEAD：
HTTP/1.1 200 OK Accept-Ranges: bytes Content-Encoding: gzip Content-Length: 7653 Content-Type: text/html Date: Tue, 20 Oct 2026 16:34:59 GMT Etag: "805acdb679bd91:0" Last-Modified: Fri, 09 Dec 2022 02:55:37 GMT Server: Microsoft-IIS/7.5 Set-Cookie: _d_id=65b902635d46d97e71ec64d40c0d6b; Path=/; HttpOnly; SameSite=Strict Vary: Accept-Encoding |
|
电信
青海西宁
|
124.172.154.196 （广东佛山电信） | 200 | 1.639s | 1.459s | 0.042s |
下载时间：0.083s 下载大小：7.47KB 下载速度：90KB/s HEAD：
HTTP/1.1 200 OK Accept-Ranges: bytes Content-Encoding: gzip Content-Length: 7653 Content-Type: text/html Date: Tue, 20 Oct 2026 16:35:00 GMT Etag: "805acdb679bd91:0" Last-Modified: Fri, 09 Dec 2022 02:55:37 GMT Server: Microsoft-IIS/7.5 Set-Cookie: _d_id=65c402037c98537e71f564d40c0d6b; Path=/; HttpOnly; SameSite=Strict Vary: Accept-Encoding |
|
电信
山东济南
|
124.172.154.196 （广东佛山电信） | 200 | 0.488s | 0.338s | 0.04s |
下载时间：0.05s 下载大小：7.47KB 下载速度：149.4KB/s HEAD：
HTTP/1.1 200 OK Accept-Ranges: bytes Content-Encoding: gzip Content-Length: 7653 Content-Type: text/html Date: Tue, 20 Oct 2026 16:34:59 GMT Etag: "805acdb679bd91:0" Last-Modified: Fri, 09 Dec 2022 02:55:37 GMT Server: Microsoft-IIS/7.5 Set-Cookie: _d_id=65ae021c5b7f437e71ec64d40c0d6b; Path=/; HttpOnly; SameSite=Strict Vary: Accept-Encoding |
|
电信
上海
|
124.172.154.196 （广东佛山电信） | 200 | 3.652s | 3.555s | 0.028s |
下载时间：0.033s 下载大小：7.47KB 下载速度：226.364KB/s HEAD：
HTTP/1.1 200 OK Accept-Ranges: bytes Content-Encoding: gzip Content-Length: 7653 Content-Type: text/html Date: Tue, 20 Oct 2026 16:35:02 GMT Etag: "805acdb679bd91:0" Last-Modified: Fri, 09 Dec 2022 02:55:37 GMT Server: Microsoft-IIS/7.5 Set-Cookie: _d_id=65c902d97746d87e71f564d40c0d6b; Path=/; HttpOnly; SameSite=Strict Vary: Accept-Encoding |
|
电信
四川成都
|
124.172.154.196 （广东佛山电信） | 200 | 0.708s | 0.577s | 0.031s |
下载时间：0.032s 下载大小：7.47KB 下载速度：233.438KB/s HEAD：
HTTP/1.1 200 OK Accept-Ranges: bytes Content-Encoding: gzip Content-Length: 7653 Content-Type: text/html Date: Tue, 20 Oct 2026 16:34:59 GMT Etag: "805acdb679bd91:0" Last-Modified: Fri, 09 Dec 2022 02:55:37 GMT Server: Microsoft-IIS/7.5 Set-Cookie: _d_id=65b602db51dddf7e71ec64d40c0d6b; Path=/; HttpOnly; SameSite=Strict Vary: Accept-Encoding |
|
电信
云南曲靖
|
124.172.154.196 （广东佛山电信） | 200 | 0.459s | 0.341s | 0.026s |
下载时间：0.061s 下载大小：7.47KB 下载速度：122.459KB/s HEAD：
HTTP/1.1 200 OK Accept-Ranges: bytes Content-Encoding: gzip Content-Length: 7653 Content-Type: text/html Date: Tue, 20 Oct 2026 16:34:59 GMT Etag: "805acdb679bd91:0" Last-Modified: Fri, 09 Dec 2022 02:55:37 GMT Server: Microsoft-IIS/7.5 Set-Cookie: _d_id=65af02db2b08e07e71ec64d40c0d6b; Path=/; HttpOnly; SameSite=Strict Vary: Accept-Encoding |
|
电信
浙江宁波
|
124.172.154.196 （广东佛山电信） | 200 | 1.181s | 1.086s | 0.027s |
下载时间：0.037s 下载大小：7.47KB 下载速度：201.892KB/s HEAD：
HTTP/1.1 200 OK Accept-Ranges: bytes Content-Encoding: gzip Content-Length: 7653 Content-Type: text/html Date: Tue, 20 Oct 2026 16:35:00 GMT Etag: "805acdb679bd91:0" Last-Modified: Fri, 09 Dec 2022 02:55:37 GMT Server: Microsoft-IIS/7.5 Set-Cookie: _d_id=65be021e02312d7e71ec64d40c0d6b; Path=/; HttpOnly; SameSite=Strict Vary: Accept-Encoding |
|
电信
重庆
|
124.172.154.196 （广东佛山电信） | 200 | 0.455s | 0.319s | 0.029s |
下载时间：0.061s 下载大小：7.47KB 下载速度：122.459KB/s HEAD：
HTTP/1.1 200 OK Accept-Ranges: bytes Content-Encoding: gzip Content-Length: 7653 Content-Type: text/html Date: Tue, 20 Oct 2026 16:34:59 GMT Etag: "805acdb679bd91:0" Last-Modified: Fri, 09 Dec 2022 02:55:37 GMT Server: Microsoft-IIS/7.5 Set-Cookie: _d_id=65ac020787de927e71ec64d40c0d6b; Path=/; HttpOnly; SameSite=Strict Vary: Accept-Encoding |
|
移动
北京
|
124.172.154.196 （广东佛山电信） | 200 | 1.022s | 0.883s | 0.043s |
下载时间：0.044s 下载大小：7.47KB 下载速度：169.773KB/s HEAD：
HTTP/1.1 200 OK Accept-Ranges: bytes Content-Encoding: gzip Content-Length: 7653 Content-Type: text/html Date: Tue, 20 Oct 2026 16:34:59 GMT Etag: "805acdb679bd91:0" Last-Modified: Fri, 09 Dec 2022 02:55:37 GMT Server: Microsoft-IIS/7.5 Set-Cookie: _d_id=65bd02152f5b377e71ec64d40c0d6b; Path=/; HttpOnly; SameSite=Strict Vary: Accept-Encoding |
|
移动
广东广州
|
124.172.154.196 （广东佛山电信） | 200 | 1.222s | 1.061s | 0.049s |
下载时间：0.058s 下载大小：7.47KB 下载速度：128.793KB/s HEAD：
HTTP/1.1 200 OK Accept-Ranges: bytes Content-Encoding: gzip Content-Length: 7653 Content-Type: text/html Date: Tue, 20 Oct 2026 16:35:00 GMT Etag: "805acdb679bd91:0" Last-Modified: Fri, 09 Dec 2022 02:55:37 GMT Server: Microsoft-IIS/7.5 Set-Cookie: _d_id=65c00202f7c99ae5c49d64d40c0d6b; Path=/; HttpOnly; SameSite=Strict Vary: Accept-Encoding |
|
移动
广西北海
|
124.172.154.196 （广东佛山电信） | 200 | 0.483s | 0.37s | 0.026s |
下载时间：0.03s 下载大小：7.47KB 下载速度：249KB/s HEAD：
HTTP/1.1 200 OK Accept-Ranges: bytes Content-Encoding: gzip Content-Length: 7653 Content-Type: text/html Date: Tue, 20 Oct 2026 16:34:59 GMT Etag: "805acdb679bd91:0" Last-Modified: Fri, 09 Dec 2022 02:55:37 GMT Server: Microsoft-IIS/7.5 Set-Cookie: _d_id=65b10202e1a4917e71ec64d40c0d6b; Path=/; HttpOnly; SameSite=Strict Vary: Accept-Encoding |
|
移动
湖北襄阳
|
124.172.154.196 （广东佛山电信） | 200 | 0.69s | 0.572s | 0.028s |
下载时间：0.032s 下载大小：7.47KB 下载速度：233.438KB/s HEAD：
HTTP/1.1 200 OK Accept-Ranges: bytes Content-Encoding: gzip Content-Length: 7653 Content-Type: text/html Date: Tue, 20 Oct 2026 16:34:59 GMT Etag: "805acdb679bd91:0" Last-Modified: Fri, 09 Dec 2022 02:55:37 GMT Server: Microsoft-IIS/7.5 Set-Cookie: _d_id=65b702184228687e71ec64d40c0d6b; Path=/; HttpOnly; SameSite=Strict Vary: Accept-Encoding |
|
移动
吉林长春
|
124.172.154.196 （广东佛山电信） | 200 | 2.24s | 2.055s | 0.055s |
下载时间：0.062s 下载大小：7.47KB 下载速度：120.484KB/s HEAD：
HTTP/1.1 200 OK Accept-Ranges: bytes Content-Encoding: gzip Content-Length: 7653 Content-Type: text/html Date: Tue, 20 Oct 2026 16:35:01 GMT Etag: "805acdb679bd91:0" Last-Modified: Fri, 09 Dec 2022 02:55:37 GMT Server: Microsoft-IIS/7.5 Set-Cookie: _d_id=65c70202c2b6c97e71ec64d40c0d6b; Path=/; HttpOnly; SameSite=Strict Vary: Accept-Encoding |
|
移动
江苏淮安
|
124.172.154.196 （广东佛山电信） | 200 | 2.484s | 2.362s | 0.036s |
下载时间：0.044s 下载大小：7.47KB 下载速度：169.773KB/s HEAD：
HTTP/1.1 200 OK Accept-Ranges: bytes Content-Encoding: gzip Content-Length: 7653 Content-Type: text/html Date: Tue, 20 Oct 2026 16:35:01 GMT Etag: "805acdb679bd91:0" Last-Modified: Fri, 09 Dec 2022 02:55:37 GMT Server: Microsoft-IIS/7.5 Set-Cookie: _d_id=65c6021dd9995a7e71ec64d40c0d6b; Path=/; HttpOnly; SameSite=Strict Vary: Accept-Encoding |
|
移动
辽宁大连
|
124.172.154.196 （广东佛山电信） | 200 | 0.93s | 0.739s | 0.058s |
下载时间：0.067s 下载大小：7.47KB 下载速度：111.493KB/s HEAD：
HTTP/1.1 200 OK Accept-Ranges: bytes Content-Encoding: gzip Content-Length: 7653 Content-Type: text/html Date: Tue, 20 Oct 2026 16:34:59 GMT Etag: "805acdb679bd91:0" Last-Modified: Fri, 09 Dec 2022 02:55:37 GMT Server: Microsoft-IIS/7.5 Set-Cookie: _d_id=65bb021df17e4c7e71ec64d40c0d6b; Path=/; HttpOnly; SameSite=Strict Vary: Accept-Encoding |
|
移动
上海
|
124.172.154.196 （广东佛山电信） | 200 | 0.639s | 0.507s | 0.038s |
下载时间：0.051s 下载大小：7.47KB 下载速度：146.471KB/s HEAD：
HTTP/1.1 200 OK Accept-Ranges: bytes Content-Encoding: gzip Content-Length: 7653 Content-Type: text/html Date: Tue, 20 Oct 2026 16:34:59 GMT Etag: "805acdb679bd91:0" Last-Modified: Fri, 09 Dec 2022 02:55:37 GMT Server: Microsoft-IIS/7.5 Set-Cookie: _d_id=65b00215179ad07e71ec64d40c0d6b; Path=/; HttpOnly; SameSite=Strict Vary: Accept-Encoding |
|
移动
重庆
|
124.172.154.196 （广东佛山电信） | 200 | 0.641s | 0.521s | 0.03s |
下载时间：0.054s 下载大小：7.47KB 下载速度：138.333KB/s HEAD：
HTTP/1.1 200 OK Accept-Ranges: bytes Content-Encoding: gzip Content-Length: 7653 Content-Type: text/html Date: Tue, 20 Oct 2026 16:34:59 GMT Etag: "805acdb679bd91:0" Last-Modified: Fri, 09 Dec 2022 02:55:37 GMT Server: Microsoft-IIS/7.5 Set-Cookie: _d_id=65b202da3850247e71ec64d40c0d6b; Path=/; HttpOnly; SameSite=Strict Vary: Accept-Encoding |
|
联通
青海
|
124.172.154.196 （广东佛山电信） | 200 | 0.885s | 0s | 0.045s |
下载时间：0.791s 下载大小：7.47KB 下载速度：9.444KB/s HEAD：
HTTP/1.1 301 Moved Permanently Server: nginx Date: Tue, 20 Oct 2026 16:37:05 GMT Content-Type: text/html; charset=UTF-8 Transfer-Encoding: chunked Connection: keep-alive X-Powered-By: PHP/7.1.9 Location: http://www.pvd888.com/ HTTP/1.1 302 Found Server: Safedog/4.0.0 Location: /?WebShieldDRSessionVerify=XjCUjjhChSCB2HpvZX9M Content-Length: 0 Connection: Close Content-Type: text/html HTTP/1.1 302 Found Server: Safedog/4.0.0 Location: / Content-Length: 0 Connection: Close Content-Type: text/html HTTP/1.1 200 OK Content-Length: 7653 Content-Type: text/html Content-Encoding: gzip Last-Modified: Fri, 09 Dec 2022 02:55:37 GMT Accept-Ranges: bytes ETag: "805acdb679bd91:0" Vary: Accept-Encoding Server: Microsoft-IIS/7.5 Set-Cookie: _d_id=65c502e67108ed7e710964d493e66b; Path=/; HttpOnly; SameSite=Strict Date: Tue, 20 Oct 2026 16:35:00 GMT |
|
联通
甘肃庆阳
|
124.172.154.196 （广东佛山电信） | 200 | 0.921s | 0.76s | 0.05s |
下载时间：0.056s 下载大小：7.47KB 下载速度：133.393KB/s HEAD：
HTTP/1.1 200 OK Accept-Ranges: bytes Content-Encoding: gzip Content-Length: 7653 Content-Type: text/html Date: Tue, 20 Oct 2026 16:34:59 GMT Etag: "805acdb679bd91:0" Last-Modified: Fri, 09 Dec 2022 02:55:37 GMT Server: Microsoft-IIS/7.5 Set-Cookie: _d_id=65b8021143fd7f7e71ec64d40c0d6b; Path=/; HttpOnly; SameSite=Strict Vary: Accept-Encoding |
|
联通
海南三亚
|
124.172.154.196 （广东佛山电信） | 200 | 1.13s | 1.05s | 0.024s |
下载时间：0.024s 下载大小：7.47KB 下载速度：311.25KB/s HEAD：
HTTP/1.1 200 OK Accept-Ranges: bytes Content-Encoding: gzip Content-Length: 7653 Content-Type: text/html Date: Tue, 20 Oct 2026 16:35:00 GMT Etag: "805acdb679bd91:0" Last-Modified: Fri, 09 Dec 2022 02:55:37 GMT Server: Microsoft-IIS/7.5 Set-Cookie: _d_id=65bf02197c279d7e71ec64d40c0d6b; Path=/; HttpOnly; SameSite=Strict Vary: Accept-Encoding |
|
联通
黑龙江大庆
|
124.172.154.196 （广东佛山电信） | 200 | 0.952s | 0.757s | 0.063s |
下载时间：0.063s 下载大小：7.47KB 下载速度：118.571KB/s HEAD：
HTTP/1.1 200 OK Accept-Ranges: bytes Content-Encoding: gzip Content-Length: 7653 Content-Type: text/html Date: Tue, 20 Oct 2026 16:34:59 GMT Etag: "805acdb679bd91:0" Last-Modified: Fri, 09 Dec 2022 02:55:37 GMT Server: Microsoft-IIS/7.5 Set-Cookie: _d_id=65ba02b7d154e07e71ec64d40c0d6b; Path=/; HttpOnly; SameSite=Strict Vary: Accept-Encoding |
|
联通
江苏
|
124.172.154.196 （广东佛山电信） | 200 | 1.416s | 1.256s | 0.062s |
下载时间：0.045s 下载大小：7.47KB 下载速度：166KB/s HEAD：
HTTP/1.1 200 OK Accept-Ranges: bytes Content-Encoding: gzip Content-Length: 7653 Content-Type: text/html Date: Tue, 20 Oct 2026 16:35:00 GMT Etag: "805acdb679bd91:0" Last-Modified: Fri, 09 Dec 2022 02:55:37 GMT Server: Microsoft-IIS/7.5 Set-Cookie: _d_id=65c202194808517e71f564d40c0d6b; Path=/; HttpOnly; SameSite=Strict Vary: Accept-Encoding |
|
联通
辽宁营口
|
124.172.154.196 （广东佛山电信） | 200 | 1.217s | 1.033s | 0.059s |
下载时间：0.061s 下载大小：7.47KB 下载速度：122.459KB/s HEAD：
HTTP/1.1 200 OK Accept-Ranges: bytes Content-Encoding: gzip Content-Length: 7653 Content-Type: text/html Date: Tue, 20 Oct 2026 16:35:00 GMT Etag: "805acdb679bd91:0" Last-Modified: Fri, 09 Dec 2022 02:55:37 GMT Server: Microsoft-IIS/7.5 Set-Cookie: _d_id=65c1021c3640cb7e71ec64d40c0d6b; Path=/; HttpOnly; SameSite=Strict Vary: Accept-Encoding |
|
联通
山西临汾
|
124.172.154.196 （广东佛山电信） | 200 | 1.036s | 0.888s | 0.042s |
下载时间：0.057s 下载大小：7.47KB 下载速度：131.053KB/s HEAD：
HTTP/1.1 200 OK Accept-Ranges: bytes Content-Encoding: gzip Content-Length: 7653 Content-Type: text/html Date: Tue, 20 Oct 2026 16:34:59 GMT Etag: "805acdb679bd91:0" Last-Modified: Fri, 09 Dec 2022 02:55:37 GMT Server: Microsoft-IIS/7.5 Set-Cookie: _d_id=65bc025106f2467e71ec64d40c0d6b; Path=/; HttpOnly; SameSite=Strict Vary: Accept-Encoding |
|
联通
新疆昌吉回族自治州
|
124.172.154.196 （广东佛山电信） | 200 | 1.255s | 1.05s | 0.067s |
下载时间：0.067s 下载大小：7.47KB 下载速度：111.493KB/s HEAD：
HTTP/1.1 200 OK Accept-Ranges: bytes Content-Encoding: gzip Content-Length: 7653 Content-Type: text/html Date: Tue, 20 Oct 2026 16:35:00 GMT Etag: "805acdb679bd91:0" Last-Modified: Fri, 09 Dec 2022 02:55:37 GMT Server: Microsoft-IIS/7.5 Set-Cookie: _d_id=65c302118359127e71ec64d40c0d6b; Path=/; HttpOnly; SameSite=Strict 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
