update README

README.md

@@ -18,6 +18,7 @@ gost - GO Simple Tunnel
 * 实验性支持QUIC (2.3+)
 * 支持KCP协议 (2.3+)
 * 透明代理 (2.3+)
+* SSH隧道 (2.4+)
 
 二进制文件下载：https://github.com/ginuerzh/gost/releases
 
@@ -64,6 +65,8 @@ protocol: 代理协议类型(http, socks4(a), socks5, shadowsocks), transport:
 
 > redirect - 透明代理，redirect://:12345
 
+> ssh - SSH转发隧道，ssh://admin:123456@:2222
+
 #### 端口转发
 
 适用于-L参数
@@ -165,8 +168,7 @@ gost按照-F设置的顺序通过代理链将请求最终转发给a.b.c.d:NNNN
 ```bash
 gost -L=tcp://:2222/192.168.1.1:22 -F=...
 ```
-将本地TCP端口2222上的数据(通过代理链)转发到192.168.1.1:22上。
-
+将本地TCP端口2222上的数据(通过代理链)转发到192.168.1.1:22上。当代理链末端(最后一个-F参数)为SSH类型时，gost会直接使用SSH的本地端口转发功能。
 #### 本地端口转发(UDP)
 
 ```bash
@@ -182,7 +184,7 @@ gost -L=udp://:5353/192.168.1.1:53?ttl=60 -F=...
 ```bash
 gost -L=rtcp://:2222/192.168.1.1:22 -F=... -F=socks://172.24.10.1:1080
 ```
-将172.24.10.1:2222上的数据(通过代理链)转发到192.168.1.1:22上。
+将172.24.10.1:2222上的数据(通过代理链)转发到192.168.1.1:22上。当代理链末端(最后一个-F参数)为SSH类型时，gost会直接使用SSH的远程端口转发功能。
 
 #### 远程端口转发(UDP)
 

README_en.md

@@ -16,6 +16,7 @@ Features
 * Experimental QUIC support (2.3+)
 * KCP protocol support (2.3+)
 * Transparent proxy (2.3+)
+* SSH tunnel (2.4+)
 
 Binary file download：https://github.com/ginuerzh/gost/releases
 
@@ -64,6 +65,8 @@ transport: data transmission mode (ws, wss, tls, http2, quic, kcp, pht), may be
 
 > redirect - transparent proxy，redirect://:12345
 
+> ssh - SSH tunnel, ssh://admin:123456@:2222
+
 #### Port forwarding
 
 Effective for the -L parameter
@@ -165,7 +168,7 @@ each forward proxy can be any HTTP/HTTPS/HTTP2/SOCKS5/Shadowsocks type.
 ```bash
 gost -L=tcp://:2222/192.168.1.1:22 -F=...
 ```
-The data on the local TCP port 2222 is forwarded to 192.168.1.1:22 (through the proxy chain).
+The data on the local TCP port 2222 is forwarded to 192.168.1.1:22 (through the proxy chain). If the last node of the chain (the last -F parameter) is a SSH tunnel, then gost will use the local port forwarding function of SSH directly.
 
 #### Local UDP port forwarding
 
@@ -182,7 +185,7 @@ Each forwarding channel has a timeout period. When this time is exceeded and the
 ```bash
 gost -L=rtcp://:2222/192.168.1.1:22 -F=... -F=socks://172.24.10.1:1080
 ```
-The data on 172.24.10.1:2222 is forwarded to 192.168.1.1:22 (through the proxy chain).
+The data on 172.24.10.1:2222 is forwarded to 192.168.1.1:22 (through the proxy chain). If the last node of the chain (the last -F parameter) is a SSH tunnel, then gost will use the remote port forwarding function of SSH directly.
 
 #### Remote UDP port forwarding