Update index.html

Author: weihongyu12

index.html

@@ -4,6 +4,7 @@
     <meta charset="utf-8">
     <title>Redirecting</title>
     <meta http-equiv="refresh" content="0; URL=https://weihongyu12.github.io/web/">
+    <meta name="viewport" content="width=device-width, initial-scale=1" />
     <link rel="canonical" href="https://weihongyu12.github.io/">
   </head>