diff --git a/littleApp_child/app.js b/littleApp_child/app.js
index 046d434..ae18374 100644
--- a/littleApp_child/app.js
+++ b/littleApp_child/app.js
@@ -150,6 +150,7 @@ App({
                 },
                 username: '',
                 yourname: message.from,
+                serviceId: message.ext.serviceId,
                 msg: {
                   type: 'img',
                   data:  message.url,
@@ -187,6 +188,7 @@ App({
                 },
                 username: '',
                 yourname: message.from,
+                serviceId: message.ext.serviceId,
                 msg: {
                   type: 'audio',
                   data:  message.url,