检测节点
| 区域/运营商 | 响应最快 | 响应最慢 | 平均响应 |
|---|---|---|---|
| 全部 | 江苏盐城电信0.205s | 北京联通4.013s | 0.789s |
| 电信 | 江苏盐城电信0.205s | -0.787s | 0.554s |
| 移动 | 安徽六安移动0.306s | 浙江杭州移动1.569s | 0.626s |
| 联通 | -0.514s | 北京联通4.013s | 1.205s |
| 华东 | 江苏盐城电信0.205s | 浙江杭州移动1.569s | 0.534s |
| 华北 | 河北唐山移动0.386s | 北京联通4.013s | 1.463s |
| 华南 | 广西南宁移动0.325s | -0.677s | 0.536s |
| 华中 | 目标无法访问 | ||
| 西北 | 陕西西安电信0.441s | 陕西西安联通0.838s | 0.686s |
| 西南 | -0.527s | -0.768s | 0.614s |
| 东北 | -0.789s | -0.789s | 0.789s |
|
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
海南
|
47.100.57.180 （上海阿里云） | 200 | 0.677s | 0.002s | 0.043s |
下载时间：0.311s 下载大小：12.32KB 下载速度：39.614KB/s HEAD：
HTTP/1.1 301 Moved Permanently Server: Tengine Date: Sat, 22 Aug 2026 16:32:20 GMT Content-Type: text/html Content-Length: 239 Connection: keep-alive Location: https://xrzb.com/ Strict-Transport-Security: max-age=31536000 HTTP/1.1 200 OK Server: Tengine Date: Sat, 22 Aug 2026 16:32:20 GMT Content-Type: text/html Last-Modified: Tue, 24 Sep 2024 13:32:57 GMT Transfer-Encoding: chunked Connection: keep-alive Vary: Accept-Encoding ETag: W/"66f2bf89-b082" Strict-Transport-Security: max-age=31536000 Content-Encoding: gzip |
|
电信
甘肃
|
47.100.57.180 （上海阿里云） | 200 | 0.713s | 0.002s | 0.048s |
下载时间：0.337s 下载大小：12.32KB 下载速度：36.558KB/s HEAD：
HTTP/1.1 301 Moved Permanently Server: Tengine Date: Sat, 22 Aug 2026 16:32:17 GMT Content-Type: text/html Content-Length: 239 Connection: keep-alive Location: https://xrzb.com/ Strict-Transport-Security: max-age=31536000 HTTP/1.1 200 OK Server: Tengine Date: Sat, 22 Aug 2026 16:32:18 GMT Content-Type: text/html Last-Modified: Tue, 24 Sep 2024 13:32:57 GMT Transfer-Encoding: chunked Connection: keep-alive Vary: Accept-Encoding ETag: W/"66f2bf89-b082" Strict-Transport-Security: max-age=31536000 Content-Encoding: gzip |
|
电信
青海
|
47.100.57.180 （上海阿里云） | 200 | 0.737s | 0.002s | 0.055s |
下载时间：0.205s 下载大小：12.32KB 下载速度：60.098KB/s HEAD：
HTTP/1.1 301 Moved Permanently Server: Tengine Date: Sat, 22 Aug 2026 16:32:21 GMT Content-Type: text/html Content-Length: 239 Connection: keep-alive Location: https://xrzb.com/ Strict-Transport-Security: max-age=31536000 HTTP/1.1 200 OK Server: Tengine Date: Sat, 22 Aug 2026 16:32:22 GMT Content-Type: text/html Last-Modified: Tue, 24 Sep 2024 13:32:57 GMT Transfer-Encoding: chunked Connection: keep-alive Vary: Accept-Encoding ETag: W/"66f2bf89-b082" Strict-Transport-Security: max-age=31536000 Content-Encoding: gzip |
|
电信
广西
|
47.100.57.180 （上海阿里云） | 200 | 0.622s | 0.002s | 0.058s |
下载时间：0.194s 下载大小：12.32KB 下载速度：63.505KB/s HEAD：
HTTP/1.1 301 Moved Permanently Server: Tengine Date: Sat, 22 Aug 2026 16:32:17 GMT Content-Type: text/html Content-Length: 239 Connection: keep-alive Location: https://xrzb.com/ Strict-Transport-Security: max-age=31536000 HTTP/1.1 200 OK Server: Tengine Date: Sat, 22 Aug 2026 16:32:18 GMT Content-Type: text/html Last-Modified: Tue, 24 Sep 2024 13:32:57 GMT Transfer-Encoding: chunked Connection: keep-alive Vary: Accept-Encoding ETag: W/"66f2bf89-b082" Strict-Transport-Security: max-age=31536000 Content-Encoding: gzip |
|
电信
贵州
|
47.100.57.180 （上海阿里云） | 200 | 0.547s | 0.002s | 0.047s |
下载时间：0.155s 下载大小：12.32KB 下载速度：79.484KB/s HEAD：
HTTP/1.1 301 Moved Permanently Server: Tengine Date: Sat, 22 Aug 2026 16:32:17 GMT Content-Type: text/html Content-Length: 239 Connection: keep-alive Location: https://xrzb.com/ Strict-Transport-Security: max-age=31536000 HTTP/1.1 200 OK Server: Tengine Date: Sat, 22 Aug 2026 16:32:17 GMT Content-Type: text/html Last-Modified: Tue, 24 Sep 2024 13:32:57 GMT Transfer-Encoding: chunked Connection: keep-alive Vary: Accept-Encoding ETag: W/"66f2bf89-b082" Strict-Transport-Security: max-age=31536000 Content-Encoding: gzip |
|
电信
新疆
|
47.100.57.180 （上海阿里云） | 200 | 0.787s | 0.002s | 0.074s |
下载时间：0.309s 下载大小：12.32KB 下载速度：39.871KB/s HEAD：
HTTP/1.1 301 Moved Permanently Server: Tengine Date: Sat, 22 Aug 2026 16:32:17 GMT Content-Type: text/html Content-Length: 239 Connection: keep-alive Location: https://xrzb.com/ Strict-Transport-Security: max-age=31536000 HTTP/1.1 200 OK Server: Tengine Date: Sat, 22 Aug 2026 16:32:18 GMT Content-Type: text/html Last-Modified: Tue, 24 Sep 2024 13:32:57 GMT Transfer-Encoding: chunked Connection: keep-alive Vary: Accept-Encoding ETag: W/"66f2bf89-b082" Strict-Transport-Security: max-age=31536000 Content-Encoding: gzip |
|
电信
江苏盐城
|
47.100.57.180 （上海阿里云） | 200 | 0.205s | 0.071s | 0.039s |
下载时间：0.015s 下载大小：10KB 下载速度：666.667KB/s HEAD：
HTTP/1.1 301 Moved Permanently Server: Tengine Date: Sat, 22 Aug 2026 16:32:14 GMT Content-Type: text/html Content-Length: 239 Connection: keep-alive Location: https://xrzb.com/ Strict-Transport-Security: max-age=31536000 HTTP/2 200 server: Tengine date: Sat, 22 Aug 2026 16:32:14 GMT content-type: text/html last-modified: Tue, 24 Sep 2024 13:32:57 GMT vary: Accept-Encoding etag: W/"66f2bf89-b082" strict-transport-security: max-age=31536000 content-encoding: gzip |
|
电信
陕西西安
|
47.100.57.180 （上海阿里云） | 200 | 0.441s | 0.196s | 0.081s |
下载时间：0.038s 下载大小：10KB 下载速度：263.158KB/s HEAD：
HTTP/1.1 301 Moved Permanently Server: Tengine Date: Sat, 22 Aug 2026 16:32:14 GMT Content-Type: text/html Content-Length: 239 Connection: keep-alive Location: https://xrzb.com/ Strict-Transport-Security: max-age=31536000 HTTP/2 200 server: Tengine date: Sat, 22 Aug 2026 16:32:15 GMT content-type: text/html last-modified: Tue, 24 Sep 2024 13:32:57 GMT vary: Accept-Encoding etag: W/"66f2bf89-b082" strict-transport-security: max-age=31536000 content-encoding: gzip |
|
电信
浙江温州
|
47.100.57.180 （上海阿里云） | 200 | 0.261s | 0.072s | 0.053s |
下载时间：0.021s 下载大小：10KB 下载速度：476.19KB/s HEAD：
HTTP/1.1 301 Moved Permanently Server: Tengine Date: Sat, 22 Aug 2026 16:32:14 GMT Content-Type: text/html Content-Length: 239 Connection: keep-alive Location: https://xrzb.com/ Strict-Transport-Security: max-age=31536000 HTTP/2 200 server: Tengine date: Sat, 22 Aug 2026 16:32:14 GMT content-type: text/html last-modified: Tue, 24 Sep 2024 13:32:57 GMT vary: Accept-Encoding etag: W/"66f2bf89-b082" strict-transport-security: max-age=31536000 content-encoding: gzip |
|
移动
甘肃
|
47.100.57.180 （上海阿里云） | 200 | 0.729s | 0.002s | 0.057s |
下载时间：0.274s 下载大小：12.32KB 下载速度：44.964KB/s HEAD：
HTTP/1.1 301 Moved Permanently Server: Tengine Date: Sat, 22 Aug 2026 16:32:17 GMT Content-Type: text/html Content-Length: 239 Connection: keep-alive Location: https://xrzb.com/ Strict-Transport-Security: max-age=31536000 HTTP/1.1 200 OK Server: Tengine Date: Sat, 22 Aug 2026 16:32:18 GMT Content-Type: text/html Last-Modified: Tue, 24 Sep 2024 13:32:57 GMT Transfer-Encoding: chunked Connection: keep-alive Vary: Accept-Encoding ETag: W/"66f2bf89-b082" Strict-Transport-Security: max-age=31536000 Content-Encoding: gzip |
|
移动
贵州
|
47.100.57.180 （上海阿里云） | 200 | 0.768s | 0.001s | 0.054s |
下载时间：0.368s 下载大小：12.32KB 下载速度：33.478KB/s HEAD：
HTTP/1.1 301 Moved Permanently Server: Tengine Date: Sat, 22 Aug 2026 16:32:17 GMT Content-Type: text/html Content-Length: 239 Connection: keep-alive Location: https://xrzb.com/ Strict-Transport-Security: max-age=31536000 HTTP/1.1 200 OK Server: Tengine Date: Sat, 22 Aug 2026 16:32:18 GMT Content-Type: text/html Last-Modified: Tue, 24 Sep 2024 13:32:57 GMT Transfer-Encoding: chunked Connection: keep-alive Vary: Accept-Encoding ETag: W/"66f2bf89-b082" Strict-Transport-Security: max-age=31536000 Content-Encoding: gzip |
|
移动
江苏
|
47.100.57.180 （上海阿里云） | 200 | 0.507s | 0.002s | 0.144s |
下载时间：0.108s 下载大小：12.32KB 下载速度：114.074KB/s HEAD：
HTTP/1.1 301 Moved Permanently Server: Tengine Date: Sat, 22 Aug 2026 16:32:17 GMT Content-Type: text/html Content-Length: 239 Connection: keep-alive Location: https://xrzb.com/ Strict-Transport-Security: max-age=31536000 HTTP/1.1 200 OK Server: Tengine Date: Sat, 22 Aug 2026 16:32:18 GMT Content-Type: text/html Last-Modified: Tue, 24 Sep 2024 13:32:57 GMT Transfer-Encoding: chunked Connection: keep-alive Vary: Accept-Encoding ETag: W/"66f2bf89-b082" Strict-Transport-Security: max-age=31536000 Content-Encoding: gzip |
|
移动
吉林
|
47.100.57.180 （上海阿里云） | 200 | 0.789s | 0.001s | 0.058s |
下载时间：0.246s 下载大小：12.32KB 下载速度：50.081KB/s HEAD：
HTTP/1.1 301 Moved Permanently Server: Tengine Date: Sat, 22 Aug 2026 16:32:20 GMT Content-Type: text/html Content-Length: 239 Connection: keep-alive Location: https://xrzb.com/ Strict-Transport-Security: max-age=31536000 HTTP/1.1 200 OK Server: Tengine Date: Sat, 22 Aug 2026 16:32:20 GMT Content-Type: text/html Last-Modified: Tue, 24 Sep 2024 13:32:57 GMT Transfer-Encoding: chunked Connection: keep-alive Vary: Accept-Encoding ETag: W/"66f2bf89-b082" Strict-Transport-Security: max-age=31536000 Content-Encoding: gzip |
|
移动
安徽六安
|
47.100.57.180 （上海阿里云） | 200 | 0.306s | 0.127s | 0.047s |
下载时间：0.018s 下载大小：10KB 下载速度：555.556KB/s HEAD：
HTTP/1.1 301 Moved Permanently Server: Tengine Date: Sat, 22 Aug 2026 16:32:14 GMT Content-Type: text/html Content-Length: 239 Connection: keep-alive Location: https://xrzb.com/ Strict-Transport-Security: max-age=31536000 HTTP/2 200 server: Tengine date: Sat, 22 Aug 2026 16:32:14 GMT content-type: text/html last-modified: Tue, 24 Sep 2024 13:32:57 GMT vary: Accept-Encoding etag: W/"66f2bf89-b082" strict-transport-security: max-age=31536000 content-encoding: gzip |
|
移动
广西南宁
|
47.100.57.180 （上海阿里云） | 200 | 0.325s | 0.03s | 0.096s |
下载时间：0.047s 下载大小：10KB 下载速度：212.766KB/s HEAD：
HTTP/1.1 301 Moved Permanently Server: Tengine Date: Sat, 22 Aug 2026 16:32:14 GMT Content-Type: text/html Content-Length: 239 Connection: keep-alive Location: https://xrzb.com/ Strict-Transport-Security: max-age=31536000 HTTP/2 200 server: Tengine date: Sat, 22 Aug 2026 16:32:14 GMT content-type: text/html last-modified: Tue, 24 Sep 2024 13:32:57 GMT vary: Accept-Encoding etag: W/"66f2bf89-b082" strict-transport-security: max-age=31536000 content-encoding: gzip |
|
移动
河北唐山
|
47.100.57.180 （上海阿里云） | 200 | 0.386s | 0.124s | 0.08s |
下载时间：0.041s 下载大小：10KB 下载速度：243.902KB/s HEAD：
HTTP/1.1 301 Moved Permanently Server: Tengine Date: Sat, 22 Aug 2026 16:32:14 GMT Content-Type: text/html Content-Length: 239 Connection: keep-alive Location: https://xrzb.com/ Strict-Transport-Security: max-age=31536000 HTTP/2 200 server: Tengine date: Sat, 22 Aug 2026 16:32:14 GMT content-type: text/html last-modified: Tue, 24 Sep 2024 13:32:57 GMT vary: Accept-Encoding etag: W/"66f2bf89-b082" strict-transport-security: max-age=31536000 content-encoding: gzip |
|
移动
江西宜春
|
47.100.57.180 （上海阿里云） | 200 | 0.321s | 0.123s | 0.054s |
下载时间：0.016s 下载大小：10KB 下载速度：625KB/s HEAD：
HTTP/1.1 301 Moved Permanently Server: Tengine Date: Sat, 22 Aug 2026 16:32:14 GMT Content-Type: text/html Content-Length: 239 Connection: keep-alive Location: https://xrzb.com/ Strict-Transport-Security: max-age=31536000 HTTP/2 200 server: Tengine date: Sat, 22 Aug 2026 16:32:14 GMT content-type: text/html last-modified: Tue, 24 Sep 2024 13:32:57 GMT vary: Accept-Encoding etag: W/"66f2bf89-b082" strict-transport-security: max-age=31536000 content-encoding: gzip |
|
移动
内蒙古阿拉善盟
|
47.100.57.180 （上海阿里云） | 200 | 0.558s | 0.156s | 0.135s |
下载时间：0.05s 下载大小：10KB 下载速度：200KB/s HEAD：
HTTP/1.1 301 Moved Permanently Server: Tengine Date: Sat, 22 Aug 2026 16:32:14 GMT Content-Type: text/html Content-Length: 239 Connection: keep-alive Location: https://xrzb.com/ Strict-Transport-Security: max-age=31536000 HTTP/2 200 server: Tengine date: Sat, 22 Aug 2026 16:32:15 GMT content-type: text/html last-modified: Tue, 24 Sep 2024 13:32:57 GMT vary: Accept-Encoding etag: W/"66f2bf89-b082" strict-transport-security: max-age=31536000 content-encoding: gzip |
|
移动
浙江杭州
|
47.100.57.180 （上海阿里云） | 200 | 1.569s | 0.095s | 1.057s |
下载时间：0.174s 下载大小：10KB 下载速度：57.471KB/s HEAD：
HTTP/1.1 301 Moved Permanently Server: Tengine Date: Sat, 22 Aug 2026 16:32:15 GMT Content-Type: text/html Content-Length: 239 Connection: keep-alive Location: https://xrzb.com/ Strict-Transport-Security: max-age=31536000 HTTP/2 200 server: Tengine date: Sat, 22 Aug 2026 16:32:16 GMT content-type: text/html last-modified: Tue, 24 Sep 2024 13:32:57 GMT vary: Accept-Encoding etag: W/"66f2bf89-b082" strict-transport-security: max-age=31536000 content-encoding: gzip |
|
联通
山西
|
47.100.57.180 （上海阿里云） | 200 | 0.514s | 0.001s | 0.045s |
下载时间：0.139s 下载大小：12.32KB 下载速度：88.633KB/s HEAD：
HTTP/1.1 301 Moved Permanently Server: Tengine Date: Sat, 22 Aug 2026 16:32:17 GMT Content-Type: text/html Content-Length: 239 Connection: keep-alive Location: https://xrzb.com/ Strict-Transport-Security: max-age=31536000 HTTP/1.1 200 OK Server: Tengine Date: Sat, 22 Aug 2026 16:32:17 GMT Content-Type: text/html Last-Modified: Tue, 24 Sep 2024 13:32:57 GMT Transfer-Encoding: chunked Connection: keep-alive Vary: Accept-Encoding ETag: W/"66f2bf89-b082" Strict-Transport-Security: max-age=31536000 Content-Encoding: gzip |
|
联通
云南
|
47.100.57.180 （上海阿里云） | 200 | 0.527s | 0.001s | 0.048s |
下载时间：0.153s 下载大小：12.32KB 下载速度：80.523KB/s HEAD：
HTTP/1.1 301 Moved Permanently Server: Tengine Date: Sat, 22 Aug 2026 16:32:17 GMT Content-Type: text/html Content-Length: 239 Connection: keep-alive Location: https://xrzb.com/ Strict-Transport-Security: max-age=31536000 HTTP/1.1 200 OK Server: Tengine Date: Sat, 22 Aug 2026 16:32:18 GMT Content-Type: text/html Last-Modified: Tue, 24 Sep 2024 13:32:57 GMT Transfer-Encoding: chunked Connection: keep-alive Vary: Accept-Encoding ETag: W/"66f2bf89-b082" Strict-Transport-Security: max-age=31536000 Content-Encoding: gzip |
|
联通
安徽
|
47.100.57.180 （上海阿里云） | 200 | 0.566s | 0.002s | 0.023s |
下载时间：0.289s 下载大小：12.32KB 下载速度：42.63KB/s HEAD：
HTTP/1.1 301 Moved Permanently Server: Tengine Date: Sat, 22 Aug 2026 16:32:18 GMT Content-Type: text/html Content-Length: 239 Connection: keep-alive Location: https://xrzb.com/ Strict-Transport-Security: max-age=31536000 HTTP/1.1 200 OK Server: Tengine Date: Sat, 22 Aug 2026 16:32:18 GMT Content-Type: text/html Last-Modified: Tue, 24 Sep 2024 13:32:57 GMT Transfer-Encoding: chunked Connection: keep-alive Vary: Accept-Encoding ETag: W/"66f2bf89-b082" Strict-Transport-Security: max-age=31536000 Content-Encoding: gzip |
|
联通
甘肃
|
47.100.57.180 （上海阿里云） | 200 | 0.56s | 0.002s | 0.053s |
下载时间：0.157s 下载大小：12.32KB 下载速度：78.471KB/s HEAD：
HTTP/1.1 301 Moved Permanently Server: Tengine Date: Sat, 22 Aug 2026 16:32:23 GMT Content-Type: text/html Content-Length: 239 Connection: keep-alive Location: https://xrzb.com/ Strict-Transport-Security: max-age=31536000 HTTP/1.1 200 OK Server: Tengine Date: Sat, 22 Aug 2026 16:32:23 GMT Content-Type: text/html Last-Modified: Tue, 24 Sep 2024 13:32:57 GMT Transfer-Encoding: chunked Connection: keep-alive Vary: Accept-Encoding ETag: W/"66f2bf89-b082" Strict-Transport-Security: max-age=31536000 Content-Encoding: gzip |
|
联通
北京
|
47.100.57.180 （上海阿里云） | 200 | 4.013s | 2.486s | 1.079s |
下载时间：0.028s 下载大小：10KB 下载速度：357.143KB/s HEAD：
HTTP/1.1 301 Moved Permanently Server: Tengine Date: Sat, 22 Aug 2026 16:32:15 GMT Content-Type: text/html Content-Length: 239 Connection: keep-alive Location: https://xrzb.com/ Strict-Transport-Security: max-age=31536000 HTTP/2 200 server: Tengine date: Sat, 22 Aug 2026 16:32:18 GMT content-type: text/html last-modified: Tue, 24 Sep 2024 13:32:57 GMT vary: Accept-Encoding etag: W/"66f2bf89-b082" strict-transport-security: max-age=31536000 content-encoding: gzip |
|
联通
广西钦州
|
47.100.57.180 （上海阿里云） | 200 | 0.518s | 0.235s | 0.086s |
下载时间：0.033s 下载大小：10KB 下载速度：303.03KB/s HEAD：
HTTP/1.1 301 Moved Permanently Server: Tengine Date: Sat, 22 Aug 2026 16:32:14 GMT Content-Type: text/html Content-Length: 239 Connection: keep-alive Location: https://xrzb.com/ Strict-Transport-Security: max-age=31536000 HTTP/2 200 server: Tengine date: Sat, 22 Aug 2026 16:32:15 GMT content-type: text/html last-modified: Tue, 24 Sep 2024 13:32:57 GMT vary: Accept-Encoding etag: W/"66f2bf89-b082" strict-transport-security: max-age=31536000 content-encoding: gzip |
|
联通
河北廊坊
|
47.100.57.180 （上海阿里云） | 200 | 0.515s | 0.303s | 0.063s |
下载时间：0.027s 下载大小：10KB 下载速度：370.37KB/s HEAD：
HTTP/1.1 301 Moved Permanently Server: Tengine Date: Sat, 22 Aug 2026 16:32:14 GMT Content-Type: text/html Content-Length: 239 Connection: keep-alive Location: https://xrzb.com/ Strict-Transport-Security: max-age=31536000 HTTP/2 200 server: Tengine date: Sat, 22 Aug 2026 16:32:15 GMT content-type: text/html last-modified: Tue, 24 Sep 2024 13:32:57 GMT vary: Accept-Encoding etag: W/"66f2bf89-b082" strict-transport-security: max-age=31536000 content-encoding: gzip |
|
联通
内蒙古包头
|
47.100.57.180 （上海阿里云） | 200 | 2.793s | 0.398s | 0.754s |
下载时间：0.398s 下载大小：10KB 下载速度：25.126KB/s HEAD：
HTTP/1.1 301 Moved Permanently Server: Tengine Date: Sat, 22 Aug 2026 16:32:15 GMT Content-Type: text/html Content-Length: 239 Connection: keep-alive Location: https://xrzb.com/ Strict-Transport-Security: max-age=31536000 HTTP/2 200 server: Tengine date: Sat, 22 Aug 2026 16:32:16 GMT content-type: text/html last-modified: Tue, 24 Sep 2024 13:32:57 GMT vary: Accept-Encoding etag: W/"66f2bf89-b082" strict-transport-security: max-age=31536000 content-encoding: gzip |
|
联通
陕西西安
|
47.100.57.180 （上海阿里云） | 200 | 0.838s | 0.639s | 0.064s |
下载时间：0.031s 下载大小：10KB 下载速度：322.581KB/s HEAD：
HTTP/1.1 301 Moved Permanently Server: Tengine Date: Sat, 22 Aug 2026 16:32:15 GMT Content-Type: text/html Content-Length: 239 Connection: keep-alive Location: https://xrzb.com/ Strict-Transport-Security: max-age=31536000 HTTP/2 200 server: Tengine date: Sat, 22 Aug 2026 16:32:15 GMT content-type: text/html last-modified: Tue, 24 Sep 2024 13:32:57 GMT vary: Accept-Encoding etag: W/"66f2bf89-b082" strict-transport-security: max-age=31536000 content-encoding: gzip |
查询结果仅供参考，不保证100%准确。
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