diff --git a/index.html b/index.html
index 1876fcae63d4a035cdfd60c26b112cda230be43e..12e4e06f691b01ad4267fb672aecc86ac24ba101 100644
--- a/index.html
+++ b/index.html
@@ -1,17 +1,9 @@
-<!DOCTYPE html>
-<html lang="en">
-<head>
-    <meta charset="UTF-8">
-    <meta http-equiv="X-UA-Compatible" content="IE=edge">
-    <meta name="viewport" content="width=device-width, initial-scale=1.0">
-    <link href="style.css" rel="stylesheet" type="text/css" />
-    <title>InsCode</title>
-</head>
-<body>
-    <div class="container">
-        <img src="src/assets/logo.svg" alt="InsCode">
-        <div>欢迎来到 InsCode</div>
-    </div>
-    <script src="script.js"></script>
-</body>
-</html>
\ No newline at end of file
+<style>
+.mui-action-back {
+    float: left;
+}
+
+.tutab_logo {
+    text-align: center;
+}
+</style>
\ No newline at end of file
