diff --git a/sourcehandler/include/distributed_input_source_handler.h b/sourcehandler/include/distributed_input_source_handler.h
index de9587e..7afa813 100644
--- a/sourcehandler/include/distributed_input_source_handler.h
+++ b/sourcehandler/include/distributed_input_source_handler.h
@@ -45,10 +45,10 @@ public:
         std::shared_ptr<UnregisterCallback> callback) override;
     int32_t ConfigDistributedHardware(const std::string &devId, const std::string &dhId, const std::string &key,
         const std::string &value) override;
-    void RegisterBusinessStateListener(std::shared_ptr<BusinessStateListener> listener) override;
-    void UnRegisterBusinessStateListener() override;
+    void RegisterDistributedHardwareStateListener(std::shared_ptr<BusinessStateListener> listener) override;
+    void UnregisterDistributedHardwareStateListener() override;
     void RegisterDataSyncTriggerListener(std::shared_ptr<DataSyncTriggerListener> listener) override;
-    void UnRegisterDataSyncTriggerListener() override;
+    void UnregisterDataSyncTriggerListener() override;
     void FinishStartSA(const std::string &params, const sptr<IRemoteObject> &remoteObject);
     void OnRemoteSourceSvrDied(const wptr<IRemoteObject> &remote);
 
diff --git a/sourcehandler/src/distributed_input_source_handler.cpp b/sourcehandler/src/distributed_input_source_handler.cpp
index 45cf95e..a414f15 100644
--- a/sourcehandler/src/distributed_input_source_handler.cpp
+++ b/sourcehandler/src/distributed_input_source_handler.cpp
@@ -111,12 +111,12 @@ int32_t DistributedInputSourceHandler::ConfigDistributedHardware(const std::stri
     return DH_SUCCESS;
 }
 
-void DistributedInputSourceHandler::RegisterBusinessStateListener(std::shared_ptr<BusinessStateListener> listener)
+void DistributedInputSourceHandler::RegisterDistributedHardwareStateListener(std::shared_ptr<BusinessStateListener> listener)
 {
     (void)listener;
 }
 
-void DistributedInputSourceHandler::UnRegisterBusinessStateListener()
+void DistributedInputSourceHandler::UnregisterDistributedHardwareStateListener()
 {
 }
 
@@ -125,7 +125,7 @@ void DistributedInputSourceHandler::RegisterDataSyncTriggerListener(std::shared_
     (void)listener;
 }
 
-void DistributedInputSourceHandler::UnRegisterDataSyncTriggerListener()
+void DistributedInputSourceHandler::UnregisterDataSyncTriggerListener()
 {
 }