diff --git a/frameworks/native/ohaudio/OHAudioRoutingManager.cpp b/frameworks/native/ohaudio/OHAudioRoutingManager.cpp
index 6cef6f7d69ae69247d6e34027e3fa9a9662d82b0..cdea43305334b0d910513bf2d8605750a315cf74 100644
--- a/frameworks/native/ohaudio/OHAudioRoutingManager.cpp
+++ b/frameworks/native/ohaudio/OHAudioRoutingManager.cpp
@@ -75,6 +75,7 @@ OH_AudioCommon_Result OH_AudioManager_GetAudioRoutingManager(OH_AudioRoutingMana
     OHAudioRoutingManager* ohAudioRoutingManager = OHAudioRoutingManager::GetInstance();
     if (audioRoutingManager == nullptr) {
         AUDIO_ERR_LOG("audioRoutingManager is nullptr!");
+        return AUDIOCOMMON_RESULT_SUCCESS;
     }
     *audioRoutingManager = (OH_AudioRoutingManager*)ohAudioRoutingManager;
     return AUDIOCOMMON_RESULT_SUCCESS;
diff --git a/frameworks/native/ohaudio/OHAudioSessionManager.cpp b/frameworks/native/ohaudio/OHAudioSessionManager.cpp
index 263669e722c540436deabbc943e948b9ecf38f2f..ac92ae931285c8cecd8f0642528e9d5eaa91c8cf 100644
--- a/frameworks/native/ohaudio/OHAudioSessionManager.cpp
+++ b/frameworks/native/ohaudio/OHAudioSessionManager.cpp
@@ -38,6 +38,7 @@ OH_AudioCommon_Result OH_AudioManager_GetAudioSessionManager(OH_AudioSessionMana
     OHAudioSessionManager* ohAudioSessionManager = OHAudioSessionManager::GetInstance();
     if (audioSessionManager == nullptr) {
         AUDIO_ERR_LOG("audioSessionManager is nullptr");
+        return AUDIOCOMMON_RESULT_SUCCESS;
     }
     *audioSessionManager = reinterpret_cast<OH_AudioSessionManager*>(ohAudioSessionManager);
     return AUDIOCOMMON_RESULT_SUCCESS;
diff --git a/frameworks/native/ohaudio/OHAudioStreamBuilder.cpp b/frameworks/native/ohaudio/OHAudioStreamBuilder.cpp
index 10b133e10344f4a281d96af12daf575b925b4a4c..0194e310d0150063824674141695778b82b00f61 100644
--- a/frameworks/native/ohaudio/OHAudioStreamBuilder.cpp
+++ b/frameworks/native/ohaudio/OHAudioStreamBuilder.cpp
@@ -139,6 +139,7 @@ OH_AudioStream_Result OH_AudioStreamBuilder_Create(OH_AudioStreamBuilder **build
 {
     if (builder == nullptr) {
         AUDIO_ERR_LOG("builder is nullptr");
+        return AUDIOSTREAM_SUCCESS;
     }
 
     int32_t streamType = type == AUDIOSTREAM_TYPE_RENDERER ? RENDERER_TYPE : CAPTURER_TYPE;
diff --git a/frameworks/native/pulseaudio/modules/capturer/module_inner_capturer_sink.c b/frameworks/native/pulseaudio/modules/capturer/module_inner_capturer_sink.c
index 561c9253be15529db59cf92bde2e80ded04825b1..56443737e954ecc9b803816be150057473a9e227 100644
--- a/frameworks/native/pulseaudio/modules/capturer/module_inner_capturer_sink.c
+++ b/frameworks/native/pulseaudio/modules/capturer/module_inner_capturer_sink.c
@@ -176,7 +176,7 @@ static void ProcessRewind(struct userdata *u, pa_usec_t now)
     CHECK_AND_RETURN_LOG(u != NULL, "u is null");
 
     rewindNbytes = u->sink->thread_info.rewind_nbytes;
-    if (!PA_SINK_IS_OPENED(u->sink->thread_info.state) || rewindNbytes <= 0) {
+    if (!PA_SINK_IS_OPENED(u->sink->thread_info.state) || rewindNbytes == 0) {
         goto do_nothing;
     }
     AUDIO_DEBUG_LOG("Requested to rewind %lu bytes.", (unsigned long) rewindNbytes);
diff --git a/services/audio_policy/server/domain/device/src/audio_device_common.cpp b/services/audio_policy/server/domain/device/src/audio_device_common.cpp
index ac12e5dd1cb024f1909f3510cee1ffd77522b876..45b5826ca3b6f829e37223852dd907eb7a10dc42 100644
--- a/services/audio_policy/server/domain/device/src/audio_device_common.cpp
+++ b/services/audio_policy/server/domain/device/src/audio_device_common.cpp
@@ -207,6 +207,10 @@ std::vector<std::shared_ptr<AudioDeviceDescriptor>> AudioDeviceCommon::GetPrefer
 
     if (networkId == LOCAL_NETWORK_ID) {
         std::shared_ptr<AudioDeviceDescriptor> desc = audioRouterCenter_.FetchInputDevice(captureInfo.sourceType, -1);
+        if (desc == nullptr) {
+            AUDIO_ERR_LOG("desc is nullptr");
+            return {};
+        }
         if (desc->deviceType_ == DEVICE_TYPE_NONE && (captureInfo.sourceType == SOURCE_TYPE_PLAYBACK_CAPTURE ||
             captureInfo.sourceType == SOURCE_TYPE_REMOTE_CAST)) {
             desc->deviceType_ = DEVICE_TYPE_INVALID;
diff --git a/services/audio_service/server/src/audio_endpoint.cpp b/services/audio_service/server/src/audio_endpoint.cpp
index fa6e3916995ba3b3e52dd0c863eb5cfc1c0b9daf..49dc8863d25b8fe16082a2b0c9eccfa4afa101d9 100644
--- a/services/audio_service/server/src/audio_endpoint.cpp
+++ b/services/audio_service/server/src/audio_endpoint.cpp
@@ -1541,6 +1541,7 @@ void AudioEndpointInner::GetAllReadyProcessDataSub(size_t i,
 
 void AudioEndpointInner::HandleMuteWriteData(BufferDesc &bufferDesc, int32_t index)
 {
+    CHECK_AND_RETURN_LOG(static_cast<size_t>(index) <= (processList_.size() - 1), "invalid index");
     auto tempProcess = processList_[index];
     CHECK_AND_RETURN_LOG(tempProcess, "tempProcess is nullptr");
     tempProcess->AddNormalFrameSize();
@@ -2254,6 +2255,7 @@ bool AudioEndpointInner::IsInvalidBuffer(uint8_t *buffer, size_t bufferSize, Aud
 
 void AudioEndpointInner::WriteMuteDataSysEvent(uint8_t *buffer, size_t bufferSize, int32_t index)
 {
+    CHECK_AND_RETURN_LOG(static_cast<size_t>(index) <= (processList_.size() - 1), "invalid index");
     auto tempProcess = processList_[index];
     CHECK_AND_RETURN_LOG(tempProcess, "tempProcess is nullptr");
     if (IsInvalidBuffer(buffer, bufferSize, processList_[index]->GetStreamInfo().format)) {
diff --git a/services/audio_service/server/src/hpae_renderer_stream_impl.cpp b/services/audio_service/server/src/hpae_renderer_stream_impl.cpp
index c34158889d6b70b331b0118da56ffe6a590639bd..39bcf6c85255d1c4ff82e0253f363c9fab8d6c8b 100644
--- a/services/audio_service/server/src/hpae_renderer_stream_impl.cpp
+++ b/services/audio_service/server/src/hpae_renderer_stream_impl.cpp
@@ -95,7 +95,7 @@ int32_t HpaeRendererStreamImpl::InitParams(const std::string &deviceName)
     streamInfo.streamClassType = HPAE_STREAM_CLASS_TYPE_PLAY;
     streamInfo.uid = processConfig_.appInfo.appUid;
     streamInfo.pid = processConfig_.appInfo.appPid;
-    streamInfo.tokenId = processConfig_.appInfo.appTokenId;
+    streamInfo.tokenId = static_cast<uint32_t>(processConfig_.appInfo.appTokenId);
     effectMode_ = processConfig_.rendererInfo.effectMode;
     streamInfo.effectInfo.effectMode = (effectMode_ != EFFECT_DEFAULT && effectMode_ != EFFECT_NONE) ? EFFECT_DEFAULT :
         static_cast<AudioEffectMode>(effectMode_);