diff --git a/docs/team-messaging/manual/node.md b/docs/team-messaging/manual/node.md
index 24971afc..6c22355b 100644
--- a/docs/team-messaging/manual/node.md
+++ b/docs/team-messaging/manual/node.md
@@ -91,7 +91,7 @@ const createApp = require('ringcentral-chatbot/dist/apps').default
 
 const handle = async event => {
   const { type, text, group, bot } = event
-  if (type === 'Message4Bot' && text === 'ping') {
+  if (type === 'TextMessage' && text === 'ping') {
     await bot.sendMessage(group.id, { text: 'pong' })
   }
 }