diff --git a/README.md b/README.md
index b033703..f92b8c6 100644
--- a/README.md
+++ b/README.md
@@ -16,7 +16,7 @@ UA3F 是一个 HTTP Header 重写工具，作为一个 HTTP、SOCKS5、TPROXY、
 - 支持 opkg 安装、编译安装、Docker 部署多种方式
 - 支持 OpenWrt 17.01 及以上版本
 - 兼容 Clash Fake-IP & Redir-Host 多种模式伴生运行
-- 支持 TTL，TCP Timestamp，IPID 伪装
+- 支持 TTL，TCP Timestamp，TCP Window，IPID 伪装
 
 <table>
   <tr>
diff --git a/README_EN.md b/README_EN.md
index 9cab778..82c1861 100644
--- a/README_EN.md
+++ b/README_EN.md
@@ -16,7 +16,7 @@ UA3F is an HTTP Header rewriting tool that transparently rewrites HTTP request h
 - Multiple deployment options: opkg installation, compilation, and Docker deployment
 - Supports OpenWrt 17.01 and above
 - Compatible with Clash Fake-IP & Redir-Host modes for coexistence
-- Supports TTL, TCP Timestamp, and IP ID obfuscation
+- Supports TTL, TCP Timestamp, TCP Window and IP ID obfuscation
 
 <table>
   <tr>