diff --git a/server.js b/server.js
index 0151597..02b9745 100644
--- a/server.js
+++ b/server.js
@@ -37,8 +37,8 @@ sense.setPixels(sensehat.leds)
 
 io.on('connection', (client) => {
     console.log(`client conncted: ${client.id}`)
-    client.on('action', (action) => {
-        if (action.name == 'clear') {
+    client.on('operation', (operation) => {
+        if (operation.action == 'clear') {
             console.log('清屏幕')
             sense.clear()
             sensehat.leds.forEach(led => {