diff --git a/utils/src/histreamer_query_tool.cpp b/utils/src/histreamer_query_tool.cpp
index 2931515c02ae7b4eb8fc2efaac839c0fe08659ce..2cc525b45f75b7faea9cf5ffb184e72f86e90fc8 100644
--- a/utils/src/histreamer_query_tool.cpp
+++ b/utils/src/histreamer_query_tool.cpp
@@ -55,7 +55,7 @@ void HiStreamerQueryTool::Init()
     
     queryAudioEncoderFunc = (QueryAudioEncoderFunc)dlsym(pHandler, QUERY_AUDIO_ENCODER_FUNC_NAME);
     if (queryAudioEncoderFunc == nullptr) {
-        DHLOGE("get QueryAudioEncoderAbilityStr is null, failed reason : %{public}s", dlerror());
+        DHLOGE("get QueryAudioEncoderAbilityStr is nullptr, failed reason : %{public}s", dlerror());
         dlclose(pHandler);
         pHandler = nullptr;
         return;