diff --git a/services/cameraservice/cameraoperator/handler/include/dcamera_handler.h b/services/cameraservice/cameraoperator/handler/include/dcamera_handler.h
index 9b6d5923e284902c1b801e64fbe2d16675ea1282..0276319eafdee27f7f8862f6b2dd85273d028e95 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 eb752783da5fd0ec107f3f20fc4d4e36828d401c..495323b98f02050454b7699e75148886fd14efb0 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");
+    pluginListener_ = 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 6836404a8fb5e719f4ddba8bf94fa3fd9ab15d7c..009be60b8e838e748f3d77d0f9605c6712f51d3d 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");
+    pluginListener_ = nullptr;
+}
+
 std::vector<std::string> DCameraHandler::GetCameras()
 {
     std::vector<std::string> cameras;