diff --git a/util/RTCContext.cpp b/util/RTCContext.cpp
index 79bb20d..75d4bc8 100644
--- a/util/RTCContext.cpp
+++ b/util/RTCContext.cpp
@@ -10,12 +10,12 @@ void RTCContext::onRoom(uint32_t typeId, RTCENGINE_NAMESPACE::MRTCRoomInfo& room
 void RTCContext::onConsumer(uint32_t msgId, const char* roomId, const char* peerId,
                             RTCENGINE_NAMESPACE::MRTCConsumerInfo& consumerInfo) {
     std::cout << "RTCContext::onConsumer()" << std::endl;
-    std::cout << "RTCContext::onConsumer():" << consumerInfo.roomId << "," << consumerInfo.displayName << ","
-              << consumerInfo.channelIndex << std::endl;
+    std::cout << "RTCContext::onConsumer(), roomId:" << consumerInfo.roomId << ", displayName:" << consumerInfo.displayName
+              << ", channelIndex:" << consumerInfo.channelIndex << std::endl;
     if (isRecv_) {
         std::lock_guard<std::mutex> lock(mutex_);
         std::cout << "registerSoundLevelListener" << std::endl;
-        int16_t ret1 = rtcEngine_->registerSoundLevelListener(mrtc::TYPE_AUDIO_SOURCE_CUSTOM, consumerInfo.roomId,
+        int16_t ret1 = rtcEngine_->registerSoundLevelListener(mrtc::TYPE_AUDIO_SOURCE_CUSTOM, roomId,
                                                               peerId, consumerInfo.channelIndex, this);
         if (0 != ret1) {
             std::cout << "RTCContext::instance().registerSoundLevelListener() inUser failed, ret:" << ret1;