diff --git a/services/cameraservice/cameraoperator/handler/include/dcamera_handler.h b/services/cameraservice/cameraoperator/handler/include/dcamera_handler.h
index 9b6d592..0276319 100644
--- a/services/cameraservice/cameraoperator/handler/include/dcamera_handler.h
+++ b/services/cameraservice/cameraoperator/handler/include/dcamera_handler.h
@@ -43,6 +43,7 @@ public:
     std::map<std::string, std::string> QueryExtraInfo() override;
     bool IsSupportPlugin() override;
     void RegisterPluginListener(std::shared_ptr<PluginListener> listener) override;
+    void UnRegisterPluginListener() override;
 
     std::vector<std::string> GetCameras();
 
diff --git a/services/cameraservice/cameraoperator/handler/src/dcamera_handler.cpp b/services/cameraservice/cameraoperator/handler/src/dcamera_handler.cpp
index eb75278..50ac190 100644
--- a/services/cameraservice/cameraoperator/handler/src/dcamera_handler.cpp
+++ b/services/cameraservice/cameraoperator/handler/src/dcamera_handler.cpp
@@ -96,6 +96,12 @@ void DCameraHandler::RegisterPluginListener(std::shared_ptr<PluginListener> list
     pluginListener_ = listener;
 }
 
+void DCameraHandler::UnRegisterPluginListener()
+{
+    DHLOGI("DCameraHandler::UnRegisterPluginListener");
+    listener == nullptr;
+}
+
 std::vector<std::string> DCameraHandler::GetCameras()
 {
     std::vector<std::string> cameras;
diff --git a/services/cameraservice/cameraoperator/handler/src/dcamera_handler_common.cpp b/services/cameraservice/cameraoperator/handler/src/dcamera_handler_common.cpp
index 6836404..ca79392 100644
--- a/services/cameraservice/cameraoperator/handler/src/dcamera_handler_common.cpp
+++ b/services/cameraservice/cameraoperator/handler/src/dcamera_handler_common.cpp
@@ -96,6 +96,12 @@ void DCameraHandler::RegisterPluginListener(std::shared_ptr<PluginListener> list
     pluginListener_ = listener;
 }
 
+void DCameraHandler::UnRegisterPluginListener()
+{
+    DHLOGI("DCameraHandler::UnRegisterPluginListener");
+    listener == nullptr;
+}
+
 std::vector<std::string> DCameraHandler::GetCameras()
 {
     std::vector<std::string> cameras;