diff --git a/src/helloword.js b/src/helloword.js
index 6e6eb91..57da164 100644
--- a/src/helloword.js
+++ b/src/helloword.js
@@ -1,7 +1,7 @@
 const vscode = require('vscode');
 module.exports = function(context) {
     // 注册HelloWord命令
-    context.subscriptions.push(vscode.commands.registerCommand('extension.sayHello2', () => {
+    context.subscriptions.push(vscode.commands.registerCommand('extension.sayHello', () => {
         vscode.window.showInformationMessage('Hello World！你好，小茗同学！');
     }));
-};
\ No newline at end of file
+};