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..593942c3dfce9aea902a42364153c729842b292c 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 8537a98b8caf0cbaec8640b9b382a13d80f97f2a..8e34e2eb3d34c25502cf108998a06620d5b57181 100644
--- a/services/audio_service/client/src/renderer_in_client.cpp
+++ b/services/audio_service/client/src/renderer_in_client.cpp
@@ -565,7 +565,7 @@ 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);
     }