diff --git a/interfaces/inner_kits/native_cpp/audio_sink/src/daudio_sink_ipc_callback_stub.cpp b/interfaces/inner_kits/native_cpp/audio_sink/src/daudio_sink_ipc_callback_stub.cpp
index a0f6258c4d77f03efee1a072129bf067dece6a64..e794b043fd15ce2506893a95c268adc151a6cafb 100644
--- a/interfaces/inner_kits/native_cpp/audio_sink/src/daudio_sink_ipc_callback_stub.cpp
+++ b/interfaces/inner_kits/native_cpp/audio_sink/src/daudio_sink_ipc_callback_stub.cpp
@@ -23,7 +23,7 @@
 
 namespace OHOS {
 namespace DistributedHardware {
-DAudioSinkIpcCallbackStub::DAudioSinkIpcCallbackStub()
+DAudioSinkIpcCallbackStub::DAudioSinkIpcCallbackStub() : IRemoteStub(true)
 {
     memberFuncMap_[NOTIFY_RESOURCEINFO] = &DAudioSinkIpcCallbackStub::OnNotifyResourceInfoInner;
 }
diff --git a/interfaces/inner_kits/native_cpp/audio_source/src/daudio_ipc_callback_stub.cpp b/interfaces/inner_kits/native_cpp/audio_source/src/daudio_ipc_callback_stub.cpp
index 68f950c24112227dedde3902399cc3b9afa04c59..35e183de57c9125e1346bea2206e04d0b25611db 100644
--- a/interfaces/inner_kits/native_cpp/audio_source/src/daudio_ipc_callback_stub.cpp
+++ b/interfaces/inner_kits/native_cpp/audio_source/src/daudio_ipc_callback_stub.cpp
@@ -23,7 +23,7 @@
 
 namespace OHOS {
 namespace DistributedHardware {
-DAudioIpcCallbackStub::DAudioIpcCallbackStub()
+DAudioIpcCallbackStub::DAudioIpcCallbackStub() : IRemoteStub(true)
 {
     memberFuncMap_[NOTIFY_REGRESULT] = &DAudioIpcCallbackStub::OnNotifyRegResultInner;
     memberFuncMap_[NOTIFY_UNREGRESULT] = &DAudioIpcCallbackStub::OnNotifyUnregResultInner;
diff --git a/interfaces/inner_kits/native_cpp/test/unittest/audiosourcetest/src/daudio_ipc_callback_test.cpp b/interfaces/inner_kits/native_cpp/test/unittest/audiosourcetest/src/daudio_ipc_callback_test.cpp
index 27df7a7e8528ebeb9764d0ac44d184eeccb03bf0..9d6d3dfe874f68e08ce283cb1bd79885c8c6a0ab 100644
--- a/interfaces/inner_kits/native_cpp/test/unittest/audiosourcetest/src/daudio_ipc_callback_test.cpp
+++ b/interfaces/inner_kits/native_cpp/test/unittest/audiosourcetest/src/daudio_ipc_callback_test.cpp
@@ -82,14 +82,23 @@ HWTEST_F(DAudioIpcCallbackTest, OnNotifyRegResult_002, TestSize.Level1)
 HWTEST_F(DAudioIpcCallbackTest, OnNotifyRegResult_003, TestSize.Level1)
 {
     size_t  DAUDIO_MAX_DEVICE_ID_LEN = 101;
+    size_t  DAUDIO_LEGAL_DEVICE_ID_LEN = 10;
     std::string devId ;
     devId.resize(DAUDIO_MAX_DEVICE_ID_LEN);
-    const std::string dhId = "dhId";
-    const std::string reqId = "reqId";
+    std::string dhId = "dhId";
+    std::string reqId = "reqId";
     int32_t status = 0;
     const std::string data = "data";
     int32_t ret = dAudioIpcCallback_->OnNotifyRegResult(devId, dhId, reqId, status, data);
     EXPECT_EQ(ERR_DH_AUDIO_SA_DEVID_ILLEGAL, ret);
+    devId.resize(DAUDIO_LEGAL_DEVICE_ID_LEN);
+    dhId.resize(DAUDIO_MAX_DEVICE_ID_LEN);
+    ret = dAudioIpcCallback_->OnNotifyRegResult(devId, dhId, reqId, status, data);
+    EXPECT_EQ(ERR_DH_AUDIO_SA_DEVID_ILLEGAL, ret);
+    dhId.resize(DAUDIO_LEGAL_DEVICE_ID_LEN);
+    reqId.resize(DAUDIO_MAX_DEVICE_ID_LEN);
+    ret = dAudioIpcCallback_->OnNotifyRegResult(devId, dhId, reqId, status, data);
+    EXPECT_EQ(ERR_DH_AUDIO_SA_DEVID_ILLEGAL, ret);
 }
 
 /**
diff --git a/services/audiomanager/servicesink/src/daudio_sink_stub.cpp b/services/audiomanager/servicesink/src/daudio_sink_stub.cpp
index 6f4a4cb470cd76d06c1889e505e49bf14316a576..3b777504661143ea5f6721203cefd3dab3d7e2d9 100644
--- a/services/audiomanager/servicesink/src/daudio_sink_stub.cpp
+++ b/services/audiomanager/servicesink/src/daudio_sink_stub.cpp
@@ -30,7 +30,7 @@
 
 namespace OHOS {
 namespace DistributedHardware {
-DAudioSinkStub::DAudioSinkStub()
+DAudioSinkStub::DAudioSinkStub() : IRemoteStub(true)
 {
     DHLOGD("Distributed audio sink stub constructed.");
     memberFuncMap_[static_cast<uint32_t>(IDAudioSinkInterfaceCode::INIT_SINK)] =
diff --git a/services/audiomanager/servicesource/src/daudio_source_stub.cpp b/services/audiomanager/servicesource/src/daudio_source_stub.cpp
index 85b9083ce885e1361e25f271c82102c79166fe73..d00be43ac442f0aeb68964d7fd4c35a2274821bc 100644
--- a/services/audiomanager/servicesource/src/daudio_source_stub.cpp
+++ b/services/audiomanager/servicesource/src/daudio_source_stub.cpp
@@ -30,7 +30,7 @@
 
 namespace OHOS {
 namespace DistributedHardware {
-DAudioSourceStub::DAudioSourceStub()
+DAudioSourceStub::DAudioSourceStub() : IRemoteStub(true)
 {
     memberFuncMap_[static_cast<uint32_t>(IDAudioSourceInterfaceCode::INIT_SOURCE)] =
         &DAudioSourceStub::InitSourceInner;
diff --git a/services/audiomanager/test/unittest/servicesource/src/daudio_source_service_test.cpp b/services/audiomanager/test/unittest/servicesource/src/daudio_source_service_test.cpp
index 21ff2f13f99fc2ca87956123466026a2d0e7b27b..92947a23e56846bf2d5bea817f1d168221c6c5e8 100644
--- a/services/audiomanager/test/unittest/servicesource/src/daudio_source_service_test.cpp
+++ b/services/audiomanager/test/unittest/servicesource/src/daudio_source_service_test.cpp
@@ -104,6 +104,9 @@ HWTEST_F(DAudioSourceServiceTest, Dump_001, TestSize.Level1)
     int32_t fd = 1;
     std::vector<std::u16string> args;
     EXPECT_EQ(DH_SUCCESS, sourceSrv_->Dump(fd, args));
+    std::u16string order = u"--sourceDevId";
+    args.push_back(order);
+    EXPECT_EQ(ERR_DH_AUDIO_BAD_VALUE, sourceSrv_->Dump(fd, args));
 }
 } // DistributedHardware
 } // OHOS