diff --git a/README.md b/README.md
index 235d568..7b8f845 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,5 @@
 # 面试专用贴
 
-socket通信demo
\ No newline at end of file
+socket通信demo
+clientheartbeat serverheartbeattest通过心跳机制实现tcp长连接
+