docs: update README

Signed-off-by: Jianhui Zhao <zhaojh329@gmail.com>

README.md

@@ -38,17 +38,15 @@ as the password for device connecting.
     $ rttys run -t 34762d07637276694b938d23f10d7164
 
 ### Use your own authentication server
-If the device authentication URL is configured, when the device connecting,
-rttys will initiate an authentication request to this URL, and the authentication
+If the device hook URL is configured, when the device connecting,
+rttys will initiate a request to this URL, and the authentication
 server will return whether the authentication has been passed.
 
 Request data format:
 
     {"devid":"test", "token":"34762d07637276694b938d23f10d7164"}
 
-Authentication Server Response Format:
-
-    {"auth": true}
+Authentication Server Response HTTP 200 to indicate that the device is allowed to connect.
 
 ### mTLS
 You can enable mTLS by specifying device CA storage (valid file) in config file or from CLI (variable ssl-cacert).

README_ZH.md

@@ -37,15 +37,13 @@ golang and node 20+ is required
     $ rttys -t 34762d07637276694b938d23f10d7164
 
 ### 使用自己的认证服务器
-如果配置了设备认证 url, 设备连接时, rttys 会向此 url 发起认证请求, 认证服务器返回是否通过认证.
+如果配置了设备 hook url, 设备连接时, rttys 会向此 url 发起请求, 认证服务器返回是否通过认证.
 
 请求数据格式:
 
     {"devid":"test", "token":"34762d07637276694b938d23f10d7164"}
 
-认证服务器响应格式:
-
-    {"auth": true}
+认证服务器响应 HTTP 200 表示允许设备连接.
 
 ### SSL 双向认证(mTLS)
 您可以在配置文件中指定设备 CA 存储(有效文件)或在 CLI 中指定设备 CA 存储(参数 ssl-cacert) 来启用 mTLS。