diff --git a/services/cameraservice/sinkservice/src/distributedcameramgr/dcamera_sink_controller.cpp b/services/cameraservice/sinkservice/src/distributedcameramgr/dcamera_sink_controller.cpp
index 414f8f6..bcbd27c 100644
--- a/services/cameraservice/sinkservice/src/distributedcameramgr/dcamera_sink_controller.cpp
+++ b/services/cameraservice/sinkservice/src/distributedcameramgr/dcamera_sink_controller.cpp
@@ -248,7 +248,7 @@ int32_t DCameraSinkController::Init(std::vector<DCameraIndex>& indexs)
     }
 
     channel_ = std::make_shared<DCameraChannelSinkImpl>();
-    eventBus_ = std::make_shared<EventBus>();
+    eventBus_ = std::make_shared<EventBus>("SinkCtlHandler");
     DCameraFrameTriggerEvent triggerEvent(*this);
     DCameraPostAuthorizationEvent authEvent(*this);
     eventBus_->AddHandler<DCameraFrameTriggerEvent>(triggerEvent.GetType(), *this);
diff --git a/services/cameraservice/sinkservice/src/distributedcameramgr/dcamera_sink_data_process.cpp b/services/cameraservice/sinkservice/src/distributedcameramgr/dcamera_sink_data_process.cpp
index d870b71..a4959e7 100644
--- a/services/cameraservice/sinkservice/src/distributedcameramgr/dcamera_sink_data_process.cpp
+++ b/services/cameraservice/sinkservice/src/distributedcameramgr/dcamera_sink_data_process.cpp
@@ -29,7 +29,7 @@ DCameraSinkDataProcess::DCameraSinkDataProcess(const std::string& dhId, std::sha
     : dhId_(dhId), channel_(channel)
 {
     DHLOGI("DCameraSinkDataProcess Constructor dhId: %s", GetAnonyString(dhId_).c_str());
-    eventBus_ = std::make_shared<EventBus>();
+    eventBus_ = std::make_shared<EventBus>("SinkDPHandler");
     DCameraPhotoOutputEvent photoEvent(*this);
     DCameraVideoOutputEvent videoEvent(*this);
     eventBus_->AddHandler<DCameraPhotoOutputEvent>(photoEvent.GetType(), *this);
diff --git a/services/cameraservice/sinkservice/src/distributedcameramgr/dcamera_sink_data_process_common.cpp b/services/cameraservice/sinkservice/src/distributedcameramgr/dcamera_sink_data_process_common.cpp
index c44c692..addaca0 100644
--- a/services/cameraservice/sinkservice/src/distributedcameramgr/dcamera_sink_data_process_common.cpp
+++ b/services/cameraservice/sinkservice/src/distributedcameramgr/dcamera_sink_data_process_common.cpp
@@ -29,7 +29,7 @@ DCameraSinkDataProcess::DCameraSinkDataProcess(const std::string& dhId, std::sha
     : dhId_(dhId), channel_(channel)
 {
     DHLOGI("DCameraSinkDataProcess Constructor dhId: %s", GetAnonyString(dhId_).c_str());
-    eventBus_ = std::make_shared<EventBus>();
+    eventBus_ = std::make_shared<EventBus>("SinkDPHandler");
     DCameraPhotoOutputEvent photoEvent(*this);
     DCameraVideoOutputEvent videoEvent(*this);
     eventBus_->AddHandler<DCameraPhotoOutputEvent>(photoEvent.GetType(), *this);
diff --git a/services/cameraservice/sourceservice/src/distributedcameramgr/dcamera_source_dev.cpp b/services/cameraservice/sourceservice/src/distributedcameramgr/dcamera_source_dev.cpp
index 821f5fa..403f09b 100644
--- a/services/cameraservice/sourceservice/src/distributedcameramgr/dcamera_source_dev.cpp
+++ b/services/cameraservice/sourceservice/src/distributedcameramgr/dcamera_source_dev.cpp
@@ -76,7 +76,7 @@ int32_t DCameraSourceDev::InitDCameraSourceDev()
 {
     DHLOGI("DCameraSourceDev InitDCameraSourceDev devId %s dhId %s", GetAnonyString(devId_).c_str(),
         GetAnonyString(dhId_).c_str());
-    eventBus_ = std::make_shared<EventBus>();
+    eventBus_ = std::make_shared<EventBus>("SrcDevHandler");
     DCameraSourceEvent event(*this);
     eventBus_->AddHandler<DCameraSourceEvent>(event.GetType(), *this);
     auto cameraSourceDev = std::shared_ptr<DCameraSourceDev>(shared_from_this());
diff --git a/services/data_process/src/pipeline/dcamera_pipeline_source.cpp b/services/data_process/src/pipeline/dcamera_pipeline_source.cpp
index 11abb90..fa5e3a3 100644
--- a/services/data_process/src/pipeline/dcamera_pipeline_source.cpp
+++ b/services/data_process/src/pipeline/dcamera_pipeline_source.cpp
@@ -83,7 +83,7 @@ bool DCameraPipelineSource::IsInRange(const VideoConfigParams& curConfig)
 void DCameraPipelineSource::InitDCameraPipEvent()
 {
     DHLOGD("Init source DCamera pipeline event to asynchronously process data.");
-    eventBusSource_ = std::make_shared<EventBus>();
+    eventBusSource_ = std::make_shared<EventBus>("PipelineSrcHandler");
     DCameraPipelineEvent pipelineEvent(*this, std::make_shared<PipelineConfig>());
     eventBusSource_->AddHandler<DCameraPipelineEvent>(pipelineEvent.GetType(), *this);
 }
diff --git a/services/data_process/src/pipeline_node/multimedia_codec/decoder/decode_data_process.cpp b/services/data_process/src/pipeline_node/multimedia_codec/decoder/decode_data_process.cpp
index f7daa46..d5f6a9c 100644
--- a/services/data_process/src/pipeline_node/multimedia_codec/decoder/decode_data_process.cpp
+++ b/services/data_process/src/pipeline_node/multimedia_codec/decoder/decode_data_process.cpp
@@ -91,7 +91,7 @@ bool DecodeDataProcess::IsConvertible(const VideoConfigParams& sourceConfig, con
 void DecodeDataProcess::InitCodecEvent()
 {
     DHLOGD("Init DecodeNode eventBus, and add handler for it.");
-    eventBusDecode_ = std::make_shared<EventBus>();
+    eventBusDecode_ = std::make_shared<EventBus>("DeDtProcHandler");
     DCameraCodecEvent codecEvent(*this, std::make_shared<CodecPacket>());
     eventBusRegHandleDecode_ = eventBusDecode_->AddHandler<DCameraCodecEvent>(codecEvent.GetType(), *this);
 
diff --git a/services/data_process/src/pipeline_node/multimedia_codec/decoder/decode_data_process_common.cpp b/services/data_process/src/pipeline_node/multimedia_codec/decoder/decode_data_process_common.cpp
index b00dfa5..2616690 100644
--- a/services/data_process/src/pipeline_node/multimedia_codec/decoder/decode_data_process_common.cpp
+++ b/services/data_process/src/pipeline_node/multimedia_codec/decoder/decode_data_process_common.cpp
@@ -91,7 +91,7 @@ bool DecodeDataProcess::IsConvertible(const VideoConfigParams& sourceConfig, con
 void DecodeDataProcess::InitCodecEvent()
 {
     DHLOGD("Common Init DecodeNode eventBus, and add handler for it.");
-    eventBusDecode_ = std::make_shared<EventBus>();
+    eventBusDecode_ = std::make_shared<EventBus>("DeDtProcHandler");
     DCameraCodecEvent codecEvent(*this, std::make_shared<CodecPacket>());
     eventBusRegHandleDecode_ = eventBusDecode_->AddHandler<DCameraCodecEvent>(codecEvent.GetType(), *this);