fix：icon修改

public/index.html

@@ -4,7 +4,7 @@
     <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 rel="icon" href="<%= BASE_URL %>logo.png" />
+    <link rel="icon" href="<%= BASE_URL %>kb_icon.png" />
     <title>vue-admin-better官网、首页、文档和下载 - 前端开发框架</title>
     <meta
       name="keywords"