diff --git a/server.js b/server.js
index 022ebb8..43d659b 100644
--- a/server.js
+++ b/server.js
@@ -54,6 +54,7 @@ const sensehat = {
 }
 sensehat.led.clear()
 sensehat.led.loadImage('images/heart.png')
+sensehat.led.setPixel(0, 0, [255, 255, 255])
 
 // socketio 服务
 const io = require('socket.io')(server, { cors: { origin: '*' } })