Update README.md

README.md

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-Frps服务端一键配置脚本，Frp最新版本：0.38.0
+Frps服务端一键配置脚本，Frp最新版本：0.39.0
 ===========
 
 *Frp 是一个高性能的反向代理应用，可以帮助您轻松地进行内网穿透，对外网提供服务，支持 tcp, http, https 等协议类型，并且 web 服务支持根据域名进行路由转发。*
@@ -42,6 +42,18 @@ Frps onkey-install-shell Changelog<br>Frp版本更新说明
 
  <!-- vim-markdown-toc GFM -->
 
+* ## [v0.39.0 [2022/01/28]](#v0.39.0[2022/01/28])
+ * ### NEW
+  > Added connect_server_local_ip in frpc to specify local IP connected to frps.
+
+  > Added tcp_mux_keepalive_interval both in frpc and frps to set tcp_mux keepalive interval seconds if tcp_mux is enabled. After using this params, you can set heartbeat_interval to -1 to disable application layer heartbeat to reduce traffic usage(Make sure frps is in the latest version).
+
+ * ### Improve
+  > Server Plugin: Added client_address in Login Operation.
+  
+ * ### FIX
+  > Remove authentication for healthz api.
+ 
 * ## [v0.38.0 [2021/10/28]](#v0.38.0[2021/10/28])
  * ### NEW
   > Add /healthz API.