diff --git a/zh-cn/application-dev/connectivity/socket-connection.md b/zh-cn/application-dev/connectivity/socket-connection.md
index 14d67dd82f1dcd79f481b5563dc96a098fb2a560..653ed9a40ace72b56f0013ae515e3172cb54d07c 100644
--- a/zh-cn/application-dev/connectivity/socket-connection.md
+++ b/zh-cn/application-dev/connectivity/socket-connection.md
@@ -74,7 +74,7 @@ UDP与TCP流程大体类似，下面以TCP为例：
        console.log("on close")
    });
    
-   // 绑定IP地址和端口。
+   // 绑定本地IP地址和端口。
    let bindAddress = {
        address: '192.168.xx.xx',
        port: 1234, // 绑定端口，如1234