fix: favicon path (#96)

* fix: favicon path

* fff

Author: iyuq

app/view/layout.html

@@ -19,7 +19,7 @@
   <link title="RSS" type="application/rss+xml" rel="alternate" href="/rss"/>
 
   <% if (config.site_icon) { %>
-  <link rel="icon" href="<%- staticFile(config.site_icon) %>" type="image/x-icon"/>
+  <link rel="icon" href="<%- helper.staticFile(config.site_icon) %>" type="image/x-icon"/>
   <% } %>
 
   <!-- style -->

config/config.default.js

@@ -10,6 +10,8 @@ module.exports = appInfo => {
 
   config.site_logo = '/public/images/cnodejs_light.svg';
 
+  config.site_icon = '/public/images/cnode_icon_32.png';
+
   // debug 为 true 时，用于本地调试
   config.debug = true;