diff --git a/services/audioclient/micclient/src/dmic_client.cpp b/services/audioclient/micclient/src/dmic_client.cpp
index d917d3e41178b5a590a6a85f66ea3630f50aa06a..77cc7283a5a9c241739be5a359acc203637f6996 100644
--- a/services/audioclient/micclient/src/dmic_client.cpp
+++ b/services/audioclient/micclient/src/dmic_client.cpp
@@ -321,6 +321,10 @@ void DMicClient::OnReadData(size_t length)
     if (memcpy_s(audioData->Data(), audioData->Capacity(), bufDesc.buffer, bufDesc.bufLength) != EOK) {
         DHLOGE("Copy audio data failed.");
     }
+
+    if (isPauseStatus_.load()) {
+        memset_s(audioData->Data(), audioData->Size(), 0, audioData->Size());
+    }
     audioCapturer_->Enqueue(bufDesc);
 
     CHECK_NULL_VOID(micTrans_);
diff --git a/services/audiomanager/managersink/include/daudio_sink_dev.h b/services/audiomanager/managersink/include/daudio_sink_dev.h
index 052412ea4b18ec911049269b8008b10d4965be3f..6520ff5cab3f6a4705c862d00dbdc0f5752d39b5 100644
--- a/services/audiomanager/managersink/include/daudio_sink_dev.h
+++ b/services/audiomanager/managersink/include/daudio_sink_dev.h
@@ -55,6 +55,7 @@ public:
     int32_t ResumeDistributedHardware(const std::string &networkId);
     int32_t StopDistributedHardware(const std::string &networkId);
     void JudgeDeviceStatus();
+    void SetDevLevelStatus(bool checkStatus);
 
 private:
     int32_t TaskOpenDSpeaker(const std::string &args);
@@ -100,6 +101,7 @@ private:
 
     std::atomic<bool> isSpkInUse_ = false;
     std::atomic<bool> isMicInUse_ = false;
+    bool isDevLevelStatus_ = false;
 
     class SinkEventHandler : public AppExecFwk::EventHandler {
     public:
diff --git a/services/audiomanager/managersink/src/daudio_sink_dev.cpp b/services/audiomanager/managersink/src/daudio_sink_dev.cpp
index 95d44c5d9fc6cc73d78137875920e630011b7713..5e308d3c8fa465ea64ffaba3dd8faf3c2cb30a59 100644
--- a/services/audiomanager/managersink/src/daudio_sink_dev.cpp
+++ b/services/audiomanager/managersink/src/daudio_sink_dev.cpp
@@ -37,6 +37,7 @@ DAudioSinkDev::DAudioSinkDev(const std::string &devId, const sptr<IDAudioSinkIpc
 
 DAudioSinkDev::~DAudioSinkDev()
 {
+    SetDevLevelStatus(false);
     DHLOGD("Distributed audio sink device destructed, devId: %{public}s.", GetAnonyString(devId_).c_str());
 }
 
@@ -224,6 +225,10 @@ int32_t DAudioSinkDev::TaskStartRender(const std::string &args)
 int32_t DAudioSinkDev::TaskOpenDMic(const std::string &args)
 {
     DHLOGI("Open mic device.");
+    if (!isDevLevelStatus_) {
+        DHLOGI("Dev security level status is false.");
+        return ERR_DH_AUDIO_FAILED;
+    }
     if (args.length() > DAUDIO_MAX_JSON_LEN || args.empty()) {
         return ERR_DH_AUDIO_SA_PARAM_INVALID;
     }
@@ -432,6 +437,11 @@ void DAudioSinkDev::JudgeDeviceStatus()
     DAudioSinkManager::GetInstance().OnSinkDevReleased(devId_);
 }
 
+void DAudioSinkDev::SetDevLevelStatus(bool checkStatus)
+{
+    isDevLevelStatus_ = checkStatus;
+}
+
 int32_t DAudioSinkDev::ConvertString2Int(std::string val)
 {
     if (!CheckIsNum(val)) {
diff --git a/services/audiomanager/managersink/src/daudio_sink_manager.cpp b/services/audiomanager/managersink/src/daudio_sink_manager.cpp
index 358e9969987518a2092489f88f4344601c1631c3..780338b8bad60d7353e8ff77cf88ac712379335a 100644
--- a/services/audiomanager/managersink/src/daudio_sink_manager.cpp
+++ b/services/audiomanager/managersink/src/daudio_sink_manager.cpp
@@ -186,13 +186,16 @@ int32_t DAudioSinkManager::CreateAudioDevice(const std::string &devId)
         ret = dev->InitAVTransEngines(ChannelState::SPK_CONTROL_OPENED, rcvProviderPtr_);
     }
     if (channelState_ == ChannelState::MIC_CONTROL_OPENED) {
-        ret = dev->InitAVTransEngines(ChannelState::MIC_CONTROL_OPENED, sendProviderPtr_);
-        if (!ret) {
-            ret = VerifySecurityLevel(devId);
+        ret = VerifySecurityLevel(devId);
+        if (ret != DH_SUCCESS) {
+            DHLOGE("Verify security level failed.");
+            return ERR_DH_AUDIO_FAILED;
         }
+        dev->SetDevLevelStatus(true);
+        ret = dev->InitAVTransEngines(ChannelState::MIC_CONTROL_OPENED, sendProviderPtr_);
     }
     if (ret != DH_SUCCESS) {
-        DHLOGE("Init av transport sender engine failed.");
+        DHLOGE("Init av transport engine failed.");
         dev->JudgeDeviceStatus();
         return ERR_DH_AUDIO_FAILED;
     }