diff --git a/.gitmodules b/.gitmodules
deleted file mode 100644
index 541f439..0000000
--- a/.gitmodules
+++ /dev/null
@@ -1,3 +0,0 @@
-[submodule "switch/p2p_channel"]
-	path = switch/p2p_channel
-	url = https://github.com/lbl8603/p2p_channel
diff --git a/README.md b/README.md
index 2afb1b1..645d536 100644
--- a/README.md
+++ b/README.md
@@ -81,6 +81,7 @@
   - 服务端中继转发
   - 客户端中继转发
 - IP代理
+- p2p组播/广播
 
 ### Todo
 - 支持安卓