chore: update

ba9895eb · 王鹏飞 · f3b116bd · ba9895eb
--- a/index.html
+++ b/index.html
@@ -2,7 +2,7 @@
 <html lang="en">
  <head>
    <meta charset="UTF-8" />
-    <link rel="icon" type="image/svg+xml" href="./favicon.ico" />
+    <link rel="icon" type="image/svg+xml" href="/favicon.ico" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=0" />
    <title>清控紫荆数智学堂</title>
  </head>