diff --git a/lib/talk/starChart/star_chart_manage.dart b/lib/talk/starChart/star_chart_manage.dart
index 85785514..7ffed8e5 100644
--- a/lib/talk/starChart/star_chart_manage.dart
+++ b/lib/talk/starChart/star_chart_manage.dart
@@ -113,7 +113,7 @@ class StartChartManage {
   final int _maxPayloadSize = 8 * 1024; // 分包大小
 
   // 默认通话的期望数据格式
-  TalkExpectReq _defaultTalkExpect = TalkConstant.H264Expect;
+  TalkExpectReq _defaultTalkExpect = TalkConstant.ImageExpect;
 
   String relayPeerId = ''; // 中继peerId
 
@@ -1145,7 +1145,7 @@ class StartChartManage {
   }
 
   void reSetDefaultTalkExpect() {
-    _defaultTalkExpect = TalkConstant.H264Expect;
+    _defaultTalkExpect = TalkConstant.ImageExpect;
   }
 
   TalkExpectReq getDefaultTalkExpect() {
@@ -1164,7 +1164,7 @@ class StartChartManage {
 
   /// 修改预期接收到的数据
   void sendImageVideoAndG711AudioTalkExpectData() {
-    final talkExpectReq = TalkConstant.H264Expect;
+    final talkExpectReq = TalkConstant.ImageExpect;
     changeTalkExpectDataTypeAndReStartTalkExpectMessageTimer(
         talkExpect: talkExpectReq);
   }