diff --git a/index.html b/index.html
index 035e94e..2b4eab4 100644
--- a/index.html
+++ b/index.html
@@ -1,10 +1,18 @@
 <!doctype html>
-<html lang="en"  class="mdui-theme-auto">
-  <head>
-    <title>Study Area CN</title>
-  </head>
-  <body>
-    <div id="app"></div>
-    <script type="module" src="/src/main.ts"></script>
-  </body>
-</html>
+<html lang="en" class="mdui-theme-auto">
+
+<head>
+  <title>Study Area CN</title>
+  <meta charset="utf-8" />
+  <meta name="keywords"
+    content="Study-area, study-area, study-area-cn Study Area CN, study area cn, 酷学园, 酷学园 CN , 酷！学园, netman, linux, mdbook">
+  <meta name="description" content="Study Area CN  酷学园CN, 玩的开心，学的愉快！">
+</head>
+
+<body>
+  <div id="app">
+  </div>
+  <script type="module" src="/src/main.ts"></script>
+</body>
+
+</html>
\ No newline at end of file
