Clarify EasyTier CLI output for KCP proxy connections (#238)

Author: ZnqbuZ

en/guide/network/kcp-proxy.md

@@ -76,7 +76,7 @@ Otherwise, the TCP protocol will still be used.
 
 ## Checking KCP Proxy Status
 
-You can check the status of KCP proxy connections using the EasyTier CLI tool.
+You can check all active proxied connections using the EasyTier CLI tool.
 
 ```bash
 $ easytier-cli proxy
@@ -108,7 +108,7 @@ QUIC proxy on the receiving end can be disabled using the `--disable-quic-input`
 sudo easytier-core --disable-quic-input
 ```
 
-Both the sender and receiver can check the QUIC proxy connection status using the `easytier-cli proxy` command.
+Both the sender and receiver can check all active connections proxied by QUIC using the `easytier-cli proxy` command.
 
 ```bash
 $ easytier-cli proxy

guide/network/kcp-proxy.md

@@ -80,7 +80,7 @@ sudo easytier-core --enable-kcp-proxy --use-smoltcp
 
 ## 查看 KCP 代理状态
 
-可以通过 EasyTier CLI 工具查看 KCP 代理的链接状态。
+可以通过 EasyTier CLI 工具查看所有已建立的活跃连接。
 
 ```bash
 $ easytier-cli proxy
@@ -112,7 +112,7 @@ sudo easytier-core --enable-quic-proxy
 sudo easytier-core --disable-quic-input
 ```
 
-发送端和接收端可以通过 `easytier-cli proxy` 命令查看 QUIC 代理的链接状态。
+发送端和接收端可以通过 `easytier-cli proxy` 命令查看所有通过 QUIC 代理建立的活跃连接。
 
 ```bash
 $ easytier-cli proxy