diff --git a/README.md b/README.md
index 10f7d6c..4a92c46 100644
--- a/README.md
+++ b/README.md
@@ -68,15 +68,6 @@ docker run --name pingtunnel-server -d --privileged --network host --restart=alw
 docker run --name pingtunnel-client -d --restart=always -p 1080: 1080 esrrhs/pingtunnel ./pingtunnel -type client -l: 1080 -s www.yourserver.com -sock5 1 -key 123456
 ```
 
-## Test
-
-download the centos image [centos mirror](http://centos.s.uw.edu/centos/8.4.2105/isos/x86_64/CentOS-8.4.2105-x86_64-dvd1.iso)
-
-|              | wget     | ss       | kcp     | pingtunnel |
-| ------------ | -------- | -------- | ------- | ---------- |
-| AlibabaCloud | 26.6KB/s | 31.8KB/s | 606KB/s | 5.64MB/s   |
-
-
 ## Thanks for free JetBrains Open Source license
 
 <img src="https://resources.jetbrains.com/storage/products/company/brand/logos/GoLand.png" height="200"/></a>