diff --git a/ling_chair_http/index.html b/ling_chair_http/index.html
index 08b1e72..322c350 100644
--- a/ling_chair_http/index.html
+++ b/ling_chair_http/index.html
@@ -39,6 +39,7 @@
   <link rel="stylesheet" href="https://unpkg.com/mdui@1.0.2/dist/css/mdui.min.css" />
   <link rel="stylesheet" href="index.css" />
   <link rel="stylesheet" href="chat-message.css" />
+  <link rel="stylesheet" href="mdui-prettier.css" />
   <script src="https://unpkg.com/jquery@3.7.1/dist/jquery.min.js"></script>
   <link rel="icon" href="icon.ico" />
   <title>铃之椅</title>