diff --git a/index.html b/index.html
index 80d5d3e..a96cfe7 100644
--- a/index.html
+++ b/index.html
@@ -3,7 +3,7 @@
 <head>
 <meta charset="UTF-8">
 <meta name="viewport" content="width=device-width, initial-scale=1.0">
-<title>知识指南123 - 首页</title>
+<title>知识指南 - 首页</title>
 <style>
 *{margin:0;padding:0;box-sizing:border-box}
 body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI','Microsoft YaHei',Helvetica,Arial,sans-serif;background:#f6f8fa;color:#24292e;line-height:1.6}
