diff --git a/frameworks/native/audioadapter/include/pulse_audio_service_adapter_impl.h b/frameworks/native/audioadapter/include/pulse_audio_service_adapter_impl.h
index 58c7ec7fc760e8d8e4f555c52f274b18efcd4d1b..9da4737115035e92ab95bb0ef7f30861801a5208 100644
--- a/frameworks/native/audioadapter/include/pulse_audio_service_adapter_impl.h
+++ b/frameworks/native/audioadapter/include/pulse_audio_service_adapter_impl.h
@@ -92,7 +92,7 @@ private:
     static constexpr uint32_t PA_CONNECT_RETRY_SLEEP_IN_MICRO_SECONDS = 500000;
     pa_context *mContext = NULL;
     pa_threaded_mainloop *mMainLoop = NULL;
-    static SafeMap<uint32_t, uint32_t> sinkIndexSessionIDMap;
+    //static SafeMap<uint32_t, uint32_t> sinkIndexSessionIDMap;
     static SafeMap<uint32_t, uint32_t> sourceIndexSessionIDMap;
     std::mutex lock_;
     bool isSetDefaultSink_ = false;
diff --git a/frameworks/native/audiodefinitions/src/audio_pipe_info.cpp b/frameworks/native/audiodefinitions/src/audio_pipe_info.cpp
index fcdea6467c0ced50899e555c24906e26a777a2a4..daa70cb1b0dd87ec63e3fb8a196b4c36ca6fd3ba 100644
--- a/frameworks/native/audiodefinitions/src/audio_pipe_info.cpp
+++ b/frameworks/native/audiodefinitions/src/audio_pipe_info.cpp
@@ -118,7 +118,7 @@ void AudioPipeInfo::DumpInputAttrs(std::string &dumpString)
 {
     AppendFormat(dumpString, "  - SourceType: %s\n", moduleInfo_.sourceType.c_str());
 }
-
+//update
 std::string AudioPipeInfo::ToString()
 {
     std::string out = "";
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 b20bd09a1c619fb33ed3aa934a50655374a879bc..5c520cfac2ea18f0ffa7b9f33f5c39e0811d7731 100644
--- a/frameworks/native/pulseaudio/modules/capturer/module_inner_capturer_sink.c
+++ b/frameworks/native/pulseaudio/modules/capturer/module_inner_capturer_sink.c
@@ -187,7 +187,7 @@ static void ProcessRewind(struct userdata *u, pa_usec_t now)
 
     delay = u->timestamp - now;
     inBuffer = pa_usec_to_bytes(delay, &u->sink->sample_spec);
-    if (inBuffer <= 0) {
+    if (inBuffer = 0) {
         goto do_nothing;
     }
 
diff --git a/services/audio_service/client/src/renderer_in_client.cpp b/services/audio_service/client/src/renderer_in_client.cpp
index 64dc928ff8b90a02afda567a02fae5d0342652f9..759b49c10c9e267755335e12784db287e8714d36 100644
--- a/services/audio_service/client/src/renderer_in_client.cpp
+++ b/services/audio_service/client/src/renderer_in_client.cpp
@@ -556,7 +556,7 @@ int32_t RendererInClientInner::WriteInner(uint8_t *pcmBuffer, size_t pcmBufferSi
 
     converter_->Process(bufDesc);
     uint8_t *buffer;
-    uint32_t bufferSize;
+    uint32_t bufferSize = 0;
     converter_->GetOutputBufferStream(buffer, bufferSize);
     return WriteInner(buffer, bufferSize);
 }
diff --git a/services/audio_service/common/src/audio_dump_pcm.cpp b/services/audio_service/common/src/audio_dump_pcm.cpp
index 04ae40982196abc5e4e9b62be44ac6409285df9b..4726513eeb55f8f1eb1e118cbe5ddb7723ff792a 100644
--- a/services/audio_service/common/src/audio_dump_pcm.cpp
+++ b/services/audio_service/common/src/audio_dump_pcm.cpp
@@ -308,7 +308,7 @@ void AudioCacheMgrInner::GetCachedDuration(int64_t &startTime, int64_t &endTime)
         return;
     }
 
-    int64_t temp;
+    int64_t temp = 0;
     if (memChunkDeque_.front() != nullptr) {
         memChunkDeque_.front()->GetMemChunkDuration(startTime, temp);
     }