diff --git a/app.js b/app.js
index b00f37b..f5f9557 100644
--- a/app.js
+++ b/app.js
@@ -199,20 +199,6 @@ app.set('views', path.join(__dirname, '/public/views'))
 app.engine('ejs', ejs.renderFile)
 // set view engine
 app.set('view engine', 'ejs')
-// get index
-app.get('/', response.showIndex)
-// get 403 forbidden
-app.get('/403', function (req, res) {
-  response.errorForbidden(res)
-})
-// get 404 not found
-app.get('/404', function (req, res) {
-  response.errorNotFound(res)
-})
-// get 500 internal error
-app.get('/500', function (req, res) {
-  response.errorInternalError(res)
-})
 // get status
 app.get('/status', function (req, res, next) {
   realtime.getStatus(function (data) {
@@ -430,6 +416,7 @@ if (config.email) {
       })
     })
   }
+app.use(require('./lib/web/baseRouter'))
 
   app.post('/login', urlencodedParser, function (req, res, next) {
     if (!req.body.email || !req.body.password) return response.errorBadRequest(res)
diff --git a/lib/web/baseRouter.js b/lib/web/baseRouter.js
new file mode 100644
index 0000000..271568b
--- /dev/null
+++ b/lib/web/baseRouter.js
@@ -0,0 +1,23 @@
+'use strict'
+
+const Router = require('express').Router
+
+const response = require('../response')
+
+const baseRouter = module.exports = Router()
+
+// get index
+baseRouter.get('/', response.showIndex)
+// get 403 forbidden
+baseRouter.get('/403', function (req, res) {
+  response.errorForbidden(res)
+})
+// get 404 not found
+baseRouter.get('/404', function (req, res) {
+  response.errorNotFound(res)
+})
+// get 500 internal error
+baseRouter.get('/500', function (req, res) {
+  response.errorInternalError(res)
+})
+