diff --git a/server.js b/server.js
index c33248d..bbda4b7 100644
--- a/server.js
+++ b/server.js
@@ -10,6 +10,10 @@ const app = express()
 const server = app.listen(port, host, () => console.log(`rpi sense hat server is running at port http://${host}:${port}`))
 const io = socketio(server)
 
+app.get('/', (req, res) => {
+    res.sendStatus('ok', 200)
+})
+
 // Sense HAT 初始化
 sense.lowLight = true
 sense.setRotation(180)