diff --git a/index.js b/index.js
index a501a96..d336c88 100644
--- a/index.js
+++ b/index.js
@@ -1,3 +1,6 @@
+global.langs = ["en", "es"]
+global.default_lang = "es"
+
 const express = require('express')
 const webserver = express()
 const port = 3003
diff --git a/src/router/common_path_logic/update_log/rss.js b/src/router/common_path_logic/update_log/rss.js
new file mode 100644
index 0000000..e69de29
diff --git a/src/router/indexRouter.js b/src/router/indexRouter.js
index 84c64ef..66194fe 100644
--- a/src/router/indexRouter.js
+++ b/src/router/indexRouter.js
@@ -48,24 +48,32 @@ function addPaths(path, renderParams = {}){
     )
 }
 
-
-router.get('/', (_req, res) => {
-    //...
-    // res.redirect('/public/pages/neocities-lyricaltokarev/index.html')
-    res.redirect('/home')
+router.use('/:lang?/', (req, res, next) => {
+    if (req.params.lang == global.default_lang) {
+        const pathWithoutLang = req.originalUrl.replace(`/${global.default_lang}`, '');
+        return res.redirect(pathWithoutLang);
+    }
+    const lang = req.params.lang ? req.params.lang : global.default_lang
+    if(lang !== global.default_lang && global.langs.includes(lang)){
+        req.body.langPath = '/' + lang + '/'
+    }else{
+        req.body.langPath = '/'
+    }
+    next()
 })
 
-
 const recent_posters = []
 
-router.post('/comment', (req, res) => {
+
+router.post('/:lang?/comment', (req, res) => {
+    const redirect_path = req.body.langPath + "home#visitor_table"
     if (req.body.checkbox === "on"){
-        return res.redirect('/home#visitor_table')
+        return res.redirect(redirect_path)
     } 
     const ip = req.header('x-forwarded-for') || req.connection.remoteAddress;
     if(recent_posters.some( poster => poster.ip === ip)){
         console.log("spammer, " + ip)
-        return res.redirect('/home#visitor_table')
+        return res.redirect(redirect_path)
     }
     recent_posters.push({
         ip,
@@ -74,10 +82,10 @@ router.post('/comment', (req, res) => {
     const comment = req.body.comment.replace(/"/g, '""');
     fs.appendFileSync(thisDirectory + "/public/dynamic/sync/comments.csv", `${Date.now()},"${comment}",,0` + "\n")
     
-    res.redirect('/home#visitor_table')
+    res.redirect(redirect_path)
 })
 
-router.get('/update_log/rss', async (_req, res) => {
+router.get('/:lang?/update_log/rss', async (_req, res) => {
     const csvData = await readCsv(thisDirectory + '/public/dynamic/sync/updates.csv')
     const rss = makeRss('https://lyricaltokarev.com/update_log/rss', "Update Log")
     csvData.forEach((u, i) => {
@@ -105,10 +113,12 @@ setInterval(() => {
 }, 1000)
 
 
-
-
-
 addPaths(thisDirectory + '/views/')
 
 
+router.get('/:lang?', (req, res) => {
+    res.redirect(req.body.langPath + 'home')
+})
+
+
 module.exports = router;
diff --git a/src/utils/createCommonPath.js b/src/utils/createCommonPath.js
index 3a693dd..a418794 100644
--- a/src/utils/createCommonPath.js
+++ b/src/utils/createCommonPath.js
@@ -1,8 +1,7 @@
 const { dirname } = require('path');
 const appDir = dirname(require.main.filename);
 const fs = require('fs')
-const langs = ["en", "es", "jp"]
-const default_lang = "es"
+const {langs, default_lang} = global
 
 function  createCommonPath(router, path, renderParams = {
 }, cb = () => {}){
diff --git a/views/home.hbs b/views/home.hbs
index 89e1190..916d2c9 100644
--- a/views/home.hbs
+++ b/views/home.hbs
@@ -216,7 +216,7 @@
 			</table>
 			<br>
 			<div>
-				<form id="comment_form" method="post" action="/comment">
+				<form id="comment_form" method="post" action="{{langPath}}/comment">
 					<textarea placeholder="きき　機器　危機　聞き　気気　キキ　木木" name="comment"></textarea>
 					<br>
 					<br>