diff --git a/aurora-vue/aurora-blog/public/index.html b/aurora-vue/aurora-blog/public/index.html
index db175ef..cf7342c 100644
--- a/aurora-vue/aurora-blog/public/index.html
+++ b/aurora-vue/aurora-blog/public/index.html
@@ -1,19 +1,29 @@
 <!DOCTYPE html>
+<!-- 声明文档类型为HTML5 -->
 <html lang="">
-  <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" />
-    <meta http-equiv="Content-Security-Policy" content="upgrade-insecure-requests" />
-    <link rel="icon" href="<%= BASE_URL %>favicon.ico" />
-    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/KaTeX/0.8.3/katex.min.css" />
-    <script
-      src="http://connect.qq.com/qc_jssdk.js"
-      data-appid="101999415"
-      data-redirecturi="https://www.linhaojun.top/oauth/login/qq"></script>
-    <script src="https://cdnjs.cloudflare.com/ajax/libs/KaTeX/0.8.3/katex.min.js"></script>
-  </head>
-  <body>
-    <div id="app"></div>
-  </body>
-</html>
+<head>
+  <!-- 设置字符编码为UTF-8 -->
+  <meta charset="utf-8" />
+  <!-- 针对IE浏览器的兼容模式设置，始终使用最新的渲染引擎 -->
+  <meta http-equiv="X-UA-Compatible" content="IE=edge" />
+  <!-- 设置视口，确保在移动设备上正确显示，初始缩放比例为1 -->
+  <meta name="viewport" content="width=device-width,initial-scale=1.0" />
+  <!-- 内容安全策略，自动将HTTP请求升级为HTTPS -->
+  <meta http-equiv="Content-Security-Policy" content="upgrade-insecure-requests" />
+  <!-- 设置网站图标，路径使用Vue的BASE_URL变量 -->
+  <link rel="icon" href="<%= BASE_URL %>favicon.ico" />
+  <!-- 引入KaTeX的CSS样式，用于渲染数学公式 -->
+  <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/KaTeX/0.8.3/katex.min.css" />
+  <!-- 引入QQ登录SDK，并配置应用ID和回调地址 -->
+  <script
+          src="http://connect.qq.com/qc_jssdk.js"
+          data-appid="101999415"
+          data-redirecturi="https://www.linhaojun.top/oauth/login/qq"></script>
+  <!-- 引入KaTeX的JS文件，用于处理数学公式渲染 -->
+  <script src="https://cdnjs.cloudflare.com/ajax/libs/KaTeX/0.8.3/katex.min.js"></script>
+</head>
+<body>
+<!-- 应用挂载点，Vue实例将渲染到这个元素中 -->
+<div id="app"></div>
+</body>
+</html>
\ No newline at end of file
