update docs

config/index.js

@@ -13,7 +13,10 @@ module.exports = {
     proxyTable: {},
 
     // Various Dev Server settings
-    host: 'localhost', // can be overwritten by process.env.HOST
+
+    // can be overwritten by process.env.HOST
+    // if you want dev by ip, please set host: '0.0.0.0'
+    host: 'localhost',
     port: 9527, // can be overwritten by process.env.PORT, if port is in use, a free one will be determined
     autoOpenBrowser: true,
     errorOverlay: true,