Update about.zh.js

Author: xuyanshi

src/pages/about.zh.js

@@ -2,7 +2,7 @@ import React from 'react';
 import AboutPage from '../components/AboutPage';
 
 const About = () => {
-  return <AboutPage lang="zh" title="关于本课程 | 全栈公开课2022" />;
+  return <AboutPage lang="zh" title="关于本课程 | 全栈公开课" />;
 };
 
 export default About;