diff --git a/docs/configuration/inbound/tun.md b/docs/configuration/inbound/tun.md
index 0528fec4..faa685bc 100644
--- a/docs/configuration/inbound/tun.md
+++ b/docs/configuration/inbound/tun.md
@@ -46,8 +46,15 @@
   "exclude_package": [
     "com.android.captiveportallogin"
   ],
-  ...
-  // Listen Fields
+  "platform": {
+    "http_proxy": {
+      "enabled": false,
+      "server": "127.0.0.1",
+      "server_port": 8080
+    }
+  },
+  
+  ... // Listen Fields
 }
 ```
 
@@ -187,6 +194,14 @@ Limit android packages in route.
 
 Exclude android packages in route.
 
+#### platform
+
+Platform-specific settings, provided by client applications.
+
+#### platform.http_proxy
+
+System HTTP proxy settings.
+
 ### Listen Fields
 
 See [Listen Fields](/configuration/shared/listen) for details.
diff --git a/docs/configuration/inbound/tun.zh.md b/docs/configuration/inbound/tun.zh.md
index 8fb99006..11bc9419 100644
--- a/docs/configuration/inbound/tun.zh.md
+++ b/docs/configuration/inbound/tun.zh.md
@@ -46,8 +46,15 @@
   "exclude_package": [
     "com.android.captiveportallogin"
   ],
-  ...
-  // 监听字段
+  "platform": {
+    "http_proxy": {
+      "enabled": false,
+      "server": "127.0.0.1",
+      "server_port": 8080
+    }
+  },
+  
+  ... // 监听字段
 }
 ```
 
@@ -183,6 +190,14 @@ TCP/IP 栈。
 
 排除路由的 Android 应用包名。
 
+#### platform
+
+平台特定的设置，由客户端应用提供。
+
+#### platform.http_proxy
+
+系统 HTTP 代理设置。
+
 ### 监听字段
 
 参阅 [监听字段](/zh/configuration/shared/listen/)。