Update index.html

index.html

@@ -3,6 +3,15 @@
     <head>
         <meta charset="UTF-8" />
         <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+        <meta property="og:title" content="磁盘调度算法可视化" />
+        <meta property="og:description" content="磁盘调度算法可视化" />
+        <meta
+            property="og:image"
+            content="https://xi-xu.me/images/favicon.png"
+        />
+        <meta property="og:url" content="https://os.xixu.us.kg" />
+        <meta name="description" content="磁盘调度算法可视化" />
+        <meta name="keywords" content="磁盘调度算法可视化" />
         <title>磁盘调度算法可视化</title>
         <link rel="stylesheet" href="styles.css" />
     </head>