diff --git a/baileys-server/main.js b/baileys-server/main.js
index f998a88..be78754 100644
--- a/baileys-server/main.js
+++ b/baileys-server/main.js
@@ -6,8 +6,11 @@ import {
   makeCacheableSignalKeyStore,
   makeInMemoryStore,
   useMultiFileAuthState,
+  downloadMediaMessage
 } from '@whiskeysockets/baileys'
 
+import { writeFile } from 'fs/promises'
+
 import NodeCache from 'node-cache'
 import P from 'pino'
 
@@ -74,11 +77,34 @@ const startSock = async () => {
     }
   })
 
-  sock.ev.on('messages.upsert', (upsert) => {
+  sock.ev.on('messages.upsert', async (upsert) => {
     console.log('收到消息：', JSON.stringify(upsert, undefined, 2))
 
     if (upsert.type === 'notify') {
       for (const msg of upsert.messages) {
+
+        const messageType = Object.keys(msg.message)[0]
+
+        console.log('messageType', messageType)
+        if (messageType === 'imageMessage') {
+          // download the message
+          const buffer = await downloadMediaMessage(
+            msg,
+            'buffer',
+            { },
+            {
+                logger,
+                // pass this so that baileys can request a reupload of media
+                // that has been deleted
+                reuploadRequest: sock.updateMediaMessage
+            }
+          )
+          // save to file
+          await writeFile('d:/my-download.jpeg', buffer)
+
+          console.log('writeFile', messageType)
+        }
+
         if (msg.message?.conversation || msg.message?.extendedTextMessage?.text) {
           const text = msg.message?.conversation || msg.message?.extendedTextMessage?.text