导航栏比log

app/views/layouts/admin.html.erb

@@ -4,7 +4,7 @@
     <title>后台管理</title>
     <meta charset="utf-8">
     <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
-    <link rel='shortcut icon' type='image/x-icon' href='/favicon.ico' />
+    <link rel='shortcut icon' type='image/x-icon' href='/images/avatars/LaboratorySetting/1tab' />
 
     <%= csrf_meta_tags %>
     <%= csp_meta_tag %>