检测节点
| 区域/运营商 | 响应最快 | 响应最慢 | 平均响应 |
|---|---|---|---|
| 全部 | 河南驻马店联通0.886s | 重庆联通3.865s | 1.787s |
| 电信 | 广西桂林电信1.071s | 河北廊坊电信3.231s | 1.788s |
| 移动 | 黑龙江鸡西移动0.955s | 宁夏石嘴山移动3.602s | 1.75s |
| 联通 | 河南驻马店联通0.886s | 重庆联通3.865s | 1.818s |
| 华东 | 安徽亳州联通0.998s | 浙江温州电信1.665s | 1.332s |
| 华北 | 天津电信1.08s | 河北廊坊电信3.231s | 2.314s |
| 华南 | 广西桂林电信1.071s | -2.251s | 1.509s |
| 华中 | 河南驻马店联通0.886s | 湖北宜昌联通0.919s | 0.903s |
| 西北 | -1.034s | 宁夏石嘴山移动3.602s | 1.816s |
| 西南 | 重庆移动1.292s | 重庆联通3.865s | 2.157s |
| 东北 | 黑龙江鸡西移动0.955s | 黑龙江大庆电信2.149s | 1.619s |
|
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
|
172.67.206.35 （美国Cloudflare, Inc.） | 520 | 2.63s | 0.093s | 0.246s |
下载时间：0.247s 下载大小：7.14KB 下载速度：28.907KB/s HEAD：
HTTP/1.1 520 <none> Date: Fri, 13 Nov 2026 16:37:49 GMT Content-Type: text/html; charset=UTF-8 Content-Length: 7314 Connection: keep-alive Retry-After: 60 Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0 Expires: Thu, 01 Jan 1970 00:00:01 GMT Referrer-Policy: same-origin X-Frame-Options: SAMEORIGIN Server: cloudflare CF-RAY: a59f340709a8b8ed-AMS alt-svc: h2=":443"; ma=60 |
|
电信
甘肃庆阳
|
104.21.37.84 （美国Cloudflare, Inc.） | 520 | 2.019s | 0.158s | 0.269s |
下载时间：0s 下载大小：0.02KB 下载速度：0KB/s HEAD：
HTTP/1.1 520 <none> Alt-Svc: h2=":443"; ma=60 Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0 Cf-Ray: a59f34072a234e96-AMS Connection: keep-alive Content-Length: 16 Content-Type: text/plain; charset=UTF-8 Date: Fri, 13 Nov 2026 16:37:49 GMT Expires: Thu, 01 Jan 1970 00:00:01 GMT Referrer-Policy: same-origin Server: cloudflare Server-Timing: cfEdge;dur=536,cfOrigin;dur=0 X-Frame-Options: SAMEORIGIN |
|
电信
广东梅州
|
104.21.37.84 （美国Cloudflare, Inc.） | 520 | 1.204s | 0.233s | 0.209s |
下载时间：0.001s 下载大小：0.02KB 下载速度：20KB/s HEAD：
HTTP/1.1 520 <none> Alt-Svc: h2=":443"; ma=60 Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0 Cf-Ray: a59f34070ded2dde-AMS Connection: keep-alive Content-Length: 16 Content-Type: text/plain; charset=UTF-8 Date: Fri, 13 Nov 2026 16:37:49 GMT Expires: Thu, 01 Jan 1970 00:00:01 GMT Referrer-Policy: same-origin Server: cloudflare Server-Timing: cfEdge;dur=543,cfOrigin;dur=0 X-Frame-Options: SAMEORIGIN |
|
电信
广西桂林
|
172.67.206.35 （美国Cloudflare, Inc.） | 520 | 1.071s | 0.094s | 0.221s |
下载时间：0.001s 下载大小：0.02KB 下载速度：20KB/s HEAD：
HTTP/1.1 520 <none> Alt-Svc: h2=":443"; ma=60 Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0 Cf-Ray: a59f34062d84f546-AMS Connection: keep-alive Content-Length: 16 Content-Type: text/plain; charset=UTF-8 Date: Fri, 13 Nov 2026 16:37:49 GMT Expires: Thu, 01 Jan 1970 00:00:01 GMT Referrer-Policy: same-origin Server: cloudflare Server-Timing: cfEdge;dur=530,cfOrigin;dur=0 X-Frame-Options: SAMEORIGIN |
|
电信
河北廊坊
|
172.67.206.35 （美国Cloudflare, Inc.） | 520 | 3.231s | 0.295s | 2.288s |
下载时间：0s 下载大小：0.02KB 下载速度：0KB/s HEAD：
HTTP/1.1 520 <none> Alt-Svc: h2=":443"; ma=60 Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0 Cf-Ray: a59f34149e5321d7-AMS Connection: keep-alive Content-Length: 16 Content-Type: text/plain; charset=UTF-8 Date: Fri, 13 Nov 2026 16:37:51 GMT Expires: Thu, 01 Jan 1970 00:00:01 GMT Referrer-Policy: same-origin Server: cloudflare Server-Timing: cfEdge;dur=405,cfOrigin;dur=0 X-Frame-Options: SAMEORIGIN |
|
电信
黑龙江大庆
|
172.67.206.35 （美国Cloudflare, Inc.） | 520 | 2.149s | 0.155s | 1.301s |
下载时间：0s 下载大小：0.02KB 下载速度：0KB/s HEAD：
HTTP/1.1 520 <none> Alt-Svc: h2=":443"; ma=60 Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0 Cf-Ray: a59f340da871224e-AMS Connection: keep-alive Content-Length: 16 Content-Type: text/plain; charset=UTF-8 Date: Fri, 13 Nov 2026 16:37:50 GMT Expires: Thu, 01 Jan 1970 00:00:01 GMT Referrer-Policy: same-origin Server: cloudflare Server-Timing: cfEdge;dur=415,cfOrigin;dur=0 X-Frame-Options: SAMEORIGIN |
|
电信
辽宁盘锦
|
104.21.37.84 （美国Cloudflare, Inc.） | 520 | 1.753s | 0.134s | 0.216s |
下载时间：0s 下载大小：0.02KB 下载速度：0KB/s HEAD：
HTTP/1.1 520 <none> Alt-Svc: h2=":443"; ma=60 Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0 Cf-Ray: a59f34067ddfb2aa-AMS Connection: keep-alive Content-Length: 16 Content-Type: text/plain; charset=UTF-8 Date: Fri, 13 Nov 2026 16:37:49 GMT Expires: Thu, 01 Jan 1970 00:00:01 GMT Referrer-Policy: same-origin Server: cloudflare Server-Timing: cfEdge;dur=527,cfOrigin;dur=0 X-Frame-Options: SAMEORIGIN |
|
电信
宁夏银川
|
172.67.206.35 （美国Cloudflare, Inc.） | 520 | 1.13s | 0.12s | 0.23s |
下载时间：0s 下载大小：0.02KB 下载速度：0KB/s HEAD：
HTTP/1.1 520 <none> Alt-Svc: h2=":443"; ma=60 Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0 Cf-Ray: a59f3406a8fcb972-AMS Connection: keep-alive Content-Length: 16 Content-Type: text/plain; charset=UTF-8 Date: Fri, 13 Nov 2026 16:37:49 GMT Expires: Thu, 01 Jan 1970 00:00:01 GMT Referrer-Policy: same-origin Server: cloudflare Server-Timing: cfEdge;dur=544,cfOrigin;dur=0 X-Frame-Options: SAMEORIGIN |
|
电信
陕西西安
|
172.67.206.35 （美国Cloudflare, Inc.） | 520 | 1.888s | 0.191s | 0.223s |
下载时间：0.001s 下载大小：0.02KB 下载速度：20KB/s HEAD：
HTTP/1.1 520 <none> Alt-Svc: h2=":443"; ma=60 Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0 Cf-Ray: a59f34071fe2e6dc-AMS Connection: keep-alive Content-Length: 16 Content-Type: text/plain; charset=UTF-8 Date: Fri, 13 Nov 2026 16:37:49 GMT Expires: Thu, 01 Jan 1970 00:00:01 GMT Referrer-Policy: same-origin Server: cloudflare Server-Timing: cfEdge;dur=545,cfOrigin;dur=0 X-Frame-Options: SAMEORIGIN |
|
电信
天津
|
104.21.37.84 （美国Cloudflare, Inc.） | 520 | 1.08s | 0.132s | 0.201s |
下载时间：0.001s 下载大小：0.02KB 下载速度：20KB/s HEAD：
HTTP/1.1 520 <none> Alt-Svc: h2=":443"; ma=60 Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0 Cf-Ray: a59f340638b114bd-AMS Connection: keep-alive Content-Length: 16 Content-Type: text/plain; charset=UTF-8 Date: Fri, 13 Nov 2026 16:37:49 GMT Expires: Thu, 01 Jan 1970 00:00:01 GMT Referrer-Policy: same-origin Server: cloudflare Server-Timing: cfEdge;dur=540,cfOrigin;dur=0 X-Frame-Options: SAMEORIGIN |
|
电信
新疆昌吉回族自治州
|
172.67.206.35 （美国Cloudflare, Inc.） | 520 | 1.182s | 0.118s | 0.255s |
下载时间：0s 下载大小：0.02KB 下载速度：0KB/s HEAD：
HTTP/1.1 520 <none> Alt-Svc: h2=":443"; ma=60 Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0 Cf-Ray: a59f3406bb70d596-AMS Connection: keep-alive Content-Length: 16 Content-Type: text/plain; charset=UTF-8 Date: Fri, 13 Nov 2026 16:37:49 GMT Expires: Thu, 01 Jan 1970 00:00:01 GMT Referrer-Policy: same-origin Server: cloudflare Server-Timing: cfEdge;dur=549,cfOrigin;dur=0 X-Frame-Options: SAMEORIGIN |
|
电信
云南楚雄彝族自治州
|
172.67.206.35 （美国Cloudflare, Inc.） | 520 | 1.872s | 0.194s | 0.227s |
下载时间：0.001s 下载大小：0.02KB 下载速度：20KB/s HEAD：
HTTP/1.1 520 <none> Alt-Svc: h2=":443"; ma=60 Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0 Cf-Ray: a59f3406f98c6d1d-AMS Connection: keep-alive Content-Length: 16 Content-Type: text/plain; charset=UTF-8 Date: Fri, 13 Nov 2026 16:37:49 GMT Expires: Thu, 01 Jan 1970 00:00:01 GMT Referrer-Policy: same-origin Server: cloudflare Server-Timing: cfEdge;dur=531,cfOrigin;dur=0 X-Frame-Options: SAMEORIGIN |
|
电信
浙江温州
|
104.21.37.84 （美国Cloudflare, Inc.） | 520 | 1.665s | 0.227s | 0.168s |
下载时间：0s 下载大小：0.02KB 下载速度：0KB/s HEAD：
HTTP/1.1 520 <none> Alt-Svc: h2=":443"; ma=60 Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0 Cf-Ray: a59f340688bc7bf8-AMS Connection: keep-alive Content-Length: 16 Content-Type: text/plain; charset=UTF-8 Date: Fri, 13 Nov 2026 16:37:49 GMT Expires: Thu, 01 Jan 1970 00:00:01 GMT Referrer-Policy: same-origin Server: cloudflare Server-Timing: cfEdge;dur=545,cfOrigin;dur=0 X-Frame-Options: SAMEORIGIN |
|
电信
重庆
|
104.21.37.84 （美国Cloudflare, Inc.） | 520 | 2.16s | 0.204s | 1.216s |
下载时间：0s 下载大小：0.02KB 下载速度：0KB/s HEAD：
HTTP/1.1 520 <none> Alt-Svc: h2=":443"; ma=60 Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0 Cf-Ray: a59f340d38373466-AMS Connection: keep-alive Content-Length: 16 Content-Type: text/plain; charset=UTF-8 Date: Fri, 13 Nov 2026 16:37:50 GMT Expires: Thu, 01 Jan 1970 00:00:01 GMT Referrer-Policy: same-origin Server: cloudflare Server-Timing: cfEdge;dur=522,cfOrigin;dur=0 X-Frame-Options: SAMEORIGIN |
|
移动
北京
|
104.21.37.84 （美国Cloudflare, Inc.） | 0 | *s | *s | *s |
下载时间：*s 下载大小：*KB 下载速度：*KB/s HEAD：
|
|
移动
海南
|
104.21.37.84 （美国Cloudflare, Inc.） | 520 | 2.251s | 0.267s | 1.203s |
下载时间：0.279s 下载大小：7.14KB 下载速度：25.591KB/s HEAD：
HTTP/1.1 520 <none> Date: Fri, 13 Nov 2026 16:37:51 GMT Content-Type: text/html; charset=UTF-8 Content-Length: 7312 Connection: keep-alive Retry-After: 60 Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0 Expires: Thu, 01 Jan 1970 00:00:01 GMT Referrer-Policy: same-origin X-Frame-Options: SAMEORIGIN Server: cloudflare CF-RAY: a59f3412ed25f4d9-SJC alt-svc: h2=":443"; ma=60 |
|
移动
甘肃兰州
|
104.21.37.84 （美国Cloudflare, Inc.） | 520 | 1.055s | 0.278s | 0.238s |
下载时间：0s 下载大小：0.02KB 下载速度：0KB/s HEAD：
HTTP/1.1 520 <none> Alt-Svc: h2=":443"; ma=60 Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0 Cf-Ray: a59f34078a66c528-SJC Connection: keep-alive Content-Length: 16 Content-Type: text/plain; charset=UTF-8 Date: Fri, 13 Nov 2026 16:37:49 GMT Expires: Thu, 01 Jan 1970 00:00:01 GMT Referrer-Policy: same-origin Server: cloudflare Server-Timing: cfEdge;dur=254,cfOrigin;dur=0 X-Frame-Options: SAMEORIGIN |
|
移动
贵州贵阳
|
172.67.206.35 （美国Cloudflare, Inc.） | 520 | 1.345s | 0.253s | 0.248s |
下载时间：0s 下载大小：0.02KB 下载速度：0KB/s HEAD：
HTTP/1.1 520 <none> Alt-Svc: h2=":443"; ma=60 Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0 Cf-Ray: a59f34076a033d90-LHR Connection: keep-alive Content-Length: 16 Content-Type: text/plain; charset=UTF-8 Date: Fri, 13 Nov 2026 16:37:49 GMT Expires: Thu, 01 Jan 1970 00:00:01 GMT Referrer-Policy: same-origin Server: cloudflare Server-Timing: cfEdge;dur=489,cfOrigin;dur=0 X-Frame-Options: SAMEORIGIN |
|
移动
黑龙江鸡西
|
104.21.37.84 （美国Cloudflare, Inc.） | 520 | 0.955s | 0.233s | 0.218s |
下载时间：0s 下载大小：0.02KB 下载速度：0KB/s HEAD：
HTTP/1.1 520 <none> Alt-Svc: h2=":443"; ma=60 Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0 Cf-Ray: a59f34074af43ecb-SJC Connection: keep-alive Content-Length: 16 Content-Type: text/plain; charset=UTF-8 Date: Fri, 13 Nov 2026 16:37:49 GMT Expires: Thu, 01 Jan 1970 00:00:01 GMT Referrer-Policy: same-origin Server: cloudflare Server-Timing: cfEdge;dur=238,cfOrigin;dur=0 X-Frame-Options: SAMEORIGIN |
|
移动
宁夏石嘴山
|
104.21.37.84 （美国Cloudflare, Inc.） | 520 | 3.602s | 0.26s | 1.253s |
下载时间：0.001s 下载大小：0.02KB 下载速度：20KB/s HEAD：
HTTP/1.1 520 <none> Alt-Svc: h2=":443"; ma=60 Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0 Cf-Ray: a59f340dcde38462-SJC Connection: keep-alive Content-Length: 16 Content-Type: text/plain; charset=UTF-8 Date: Fri, 13 Nov 2026 16:37:50 GMT Expires: Thu, 01 Jan 1970 00:00:01 GMT Referrer-Policy: same-origin Server: cloudflare Server-Timing: cfEdge;dur=345,cfOrigin;dur=0 X-Frame-Options: SAMEORIGIN |
|
移动
重庆
|
172.67.206.35 （美国Cloudflare, Inc.） | 520 | 1.292s | 0.282s | 0.251s |
下载时间：0.001s 下载大小：0.02KB 下载速度：20KB/s HEAD：
HTTP/1.1 520 <none> Alt-Svc: h2=":443"; ma=60 Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0 Cf-Ray: a59f3407bd63b692-LHR Connection: keep-alive Content-Length: 16 Content-Type: text/plain; charset=UTF-8 Date: Fri, 13 Nov 2026 16:37:49 GMT Expires: Thu, 01 Jan 1970 00:00:01 GMT Referrer-Policy: same-origin Server: cloudflare Server-Timing: cfEdge;dur=510,cfOrigin;dur=0 X-Frame-Options: SAMEORIGIN |
|
联通
青海
|
172.67.206.35 （美国Cloudflare, Inc.） | 520 | 1.034s | 0.486s | 0.216s |
下载时间：0s 下载大小：7.14KB 下载速度：0KB/s HEAD：
HTTP/1.1 520 <none> Date: Fri, 13 Nov 2026 16:37:50 GMT Content-Type: text/html; charset=UTF-8 Content-Length: 7315 Connection: keep-alive Retry-After: 60 Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0 Expires: Thu, 01 Jan 1970 00:00:01 GMT Referrer-Policy: same-origin X-Frame-Options: SAMEORIGIN Server: cloudflare CF-RAY: a59f340c3a05e676-HKG alt-svc: h2=":443"; ma=60 |
|
联通
四川
|
104.21.37.84 （美国Cloudflare, Inc.） | 520 | 2.407s | 0.866s | 1.225s |
下载时间：0.001s 下载大小：7.14KB 下载速度：7140KB/s HEAD：
HTTP/1.1 520 <none> Date: Fri, 13 Nov 2026 16:37:51 GMT Content-Type: text/html; charset=UTF-8 Content-Length: 7313 Connection: keep-alive Retry-After: 60 Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0 Expires: Thu, 01 Jan 1970 00:00:01 GMT Referrer-Policy: same-origin X-Frame-Options: SAMEORIGIN Server: cloudflare CF-RAY: a59f3411681b269e-HKG alt-svc: h2=":443"; ma=60 |
|
联通
安徽亳州
|
104.21.37.84 （美国Cloudflare, Inc.） | 520 | 0.998s | 0.363s | 0.258s |
下载时间：0s 下载大小：0.02KB 下载速度：0KB/s HEAD：
HTTP/1.1 520 <none> Alt-Svc: h2=":443"; ma=60 Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0 Cf-Ray: a59f34079fa2f995-HKG Connection: keep-alive Content-Length: 16 Content-Type: text/plain; charset=UTF-8 Date: Fri, 13 Nov 2026 16:37:49 GMT Expires: Thu, 01 Jan 1970 00:00:01 GMT Referrer-Policy: same-origin Server: cloudflare Server-Timing: cfEdge;dur=125,cfOrigin;dur=0 X-Frame-Options: SAMEORIGIN |
|
联通
河南驻马店
|
104.21.37.84 （美国Cloudflare, Inc.） | 520 | 0.886s | 0.242s | 0.251s |
下载时间：0s 下载大小：0.02KB 下载速度：0KB/s HEAD：
HTTP/1.1 520 <none> Alt-Svc: h2=":443"; ma=60 Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0 Cf-Ray: a59f3406db4dceec-HKG Connection: keep-alive Content-Length: 16 Content-Type: text/plain; charset=UTF-8 Date: Fri, 13 Nov 2026 16:37:49 GMT Expires: Thu, 01 Jan 1970 00:00:01 GMT Referrer-Policy: same-origin Server: cloudflare Server-Timing: cfEdge;dur=125,cfOrigin;dur=0 X-Frame-Options: SAMEORIGIN |
|
联通
湖北宜昌
|
172.67.206.35 （美国Cloudflare, Inc.） | 520 | 0.919s | 0.345s | 0.223s |
下载时间：0.003s 下载大小：0.02KB 下载速度：6.667KB/s HEAD：
HTTP/1.1 520 <none> Alt-Svc: h2=":443"; ma=60 Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0 Cf-Ray: a59f34075fb18b92-HKG Connection: keep-alive Content-Length: 16 Content-Type: text/plain; charset=UTF-8 Date: Fri, 13 Nov 2026 16:37:49 GMT Expires: Thu, 01 Jan 1970 00:00:01 GMT Referrer-Policy: same-origin Server: cloudflare Server-Timing: cfEdge;dur=121,cfOrigin;dur=0 X-Frame-Options: SAMEORIGIN |
|
联通
宁夏石嘴山
|
172.67.206.35 （美国Cloudflare, Inc.） | 520 | 2.618s | 0.46s | 1.227s |
下载时间：0.001s 下载大小：0.02KB 下载速度：20KB/s HEAD：
HTTP/1.1 520 <none> Alt-Svc: h2=":443"; ma=60 Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0 Cf-Ray: a59f340e5bb3a67c-HKG Connection: keep-alive Content-Length: 16 Content-Type: text/plain; charset=UTF-8 Date: Fri, 13 Nov 2026 16:37:50 GMT Expires: Thu, 01 Jan 1970 00:00:01 GMT Referrer-Policy: same-origin Server: cloudflare Server-Timing: cfEdge;dur=55,cfOrigin;dur=0 X-Frame-Options: SAMEORIGIN |
|
联通
重庆
|
104.21.37.84 （美国Cloudflare, Inc.） | 520 | 3.865s | 0.312s | 3.246s |
下载时间：0s 下载大小：0.02KB 下载速度：0KB/s HEAD：
HTTP/1.1 520 <none> Alt-Svc: h2=":443"; ma=60 Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0 Cf-Ray: a59f3419ff7e85e6-HKG Connection: keep-alive Content-Length: 16 Content-Type: text/plain; charset=UTF-8 Date: Fri, 13 Nov 2026 16:37:52 GMT Expires: Thu, 01 Jan 1970 00:00:01 GMT Referrer-Policy: same-origin Server: cloudflare Server-Timing: cfEdge;dur=74,cfOrigin;dur=0 X-Frame-Options: SAMEORIGIN |
查询结果仅供参考，不保证100%准确。
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