diff --git a/server.js b/server.js
index 915a01d..05ea451 100644
--- a/server.js
+++ b/server.js
@@ -39,6 +39,8 @@ sensehat.led.setRotation(0)
 sensehat.led.lowLight = true
 sensehat.led.setPixels(sensehat.leds)
 
+console.log(sensehat.led)
+
 // socketio 服务
 const io = require('socket.io')(server, { cors: { origin: '*' } })
 io.on('connection', (client) => {