diff --git a/test_audio_s.py b/test_audio_s.py
index 38d9c7c..480521d 100644
--- a/test_audio_s.py
+++ b/test_audio_s.py
@@ -33,10 +33,10 @@ ret = rtc_plugins.sendCustomAudioData(destChannelIndex, audioData, sampleRate, 1
 if ret != 0:
     print(f"send fail, ret:{ret}")
 print("send succ")
-#ret = rtc_plugins.initRecv(srcRoomId, srcUserId, srcChannelIndex)
-#if ret != 0:
-#    print(f"initRecv fail, ret:{ret}")
-#    exit(1)
+ret = rtc_plugins.initRecv(srcRoomId, srcUserId, srcChannelIndex)
+if ret != 0:
+    print(f"initRecv fail, ret:{ret}")
+    exit(1)
 for i in range(100):
     ret = rtc_plugins.sendCustomAudioData(destChannelIndex, audioData, sampleRate, 1, len(audioData))
     if ret != 0:
diff --git a/util/RTCContext.cpp b/util/RTCContext.cpp
index 1a68abf..a12c180 100644
--- a/util/RTCContext.cpp
+++ b/util/RTCContext.cpp
@@ -40,11 +40,11 @@ void RTCContext::onCallBackMessage(uint32_t msgId, const char* msg) {
 
     std::lock_guard<std::mutex> lock(mutex_);
     if (msgId == (uint32_t)mrtc::JOIN_MULTI_ROOM_SUCCESS) {
-        std::cout << "receive join multi room callback" << msgId;
+        std::cout << "receive join multi room callback" << msgId << std::endl;
         isJoinMultiRoom_ = true;
     }
 
-    std::cout << "RTCContext::onCallBackMessage(), msgId:" << msgId << ", msg:" << msg;
+    std::cout << "RTCContext::onCallBackMessage(), msgId:" << msgId << ", msg:" << msg << std::endl;
     //std::cout << "RTCContext::onCallBackMessage()" << std::endl;
 }
 void RTCContext::onCallBackCustomData(RTCENGINE_NAMESPACE::MRTCCustomDataObject object) {