diff --git a/README.md b/README.md
index 1db1222..bff21d2 100644
--- a/README.md
+++ b/README.md
@@ -1,17 +1,9 @@
-### RustDesk | Your Remote Desktop Software
+### RustDesk Sever Program
 
 [**DOWNLOAD**](https://github.com/rustdesk/rustdesk-server/releases)
 
 This is a repository used to release RustDesk server software and track issues.
 
-Built on Centos7 and Windows10, tested on Centos7/8, Ubuntu 18/20.
-
-There are two executables
-  - hbbs - RustDesk ID/Rendezvous server
-  - hbbr - RustDesk relay server
-
-By default, hbbs listens on 21115(tcp) and 21116(tcp/udp), hbbr listens on 21117(tcp)
-
 [check here](https://rustdesk.com/blog/id-relay-set/) for more information about setting up your cloud with hbbs/hbbr.
 
 If you need a Windows client installation program that does not need to manually fill in the custom server address, please contact us by email. We already have a complete solution.