diff --git a/audiohandler/src/daudio_handler.cpp b/audiohandler/src/daudio_handler.cpp
index 5accbe883a775085e251e8cf35b364e4939ac7a6..e36c1098d8f2ca83f2d5a581bdb5f73f846ea866 100644
--- a/audiohandler/src/daudio_handler.cpp
+++ b/audiohandler/src/daudio_handler.cpp
@@ -156,7 +156,6 @@ std::vector<DHItem> DAudioHandler::RealQuery(const std::string &dataType)
             dhItemVec.push_back(dhItem);
             DHLOGD("Query result: dhId: %{public}d, attrs: %{public}s.", LOW_LATENCY_RENDER_ID, jsonInfo);
         }
-        DHLOGI("Query result: dhId: %{public}d.", dhId);
         cJSON_Delete(infoJson);
         cJSON_free(jsonInfo);
     }
diff --git a/services/audiomanager/managersource/src/daudio_echo_cannel_manager.cpp b/services/audiomanager/managersource/src/daudio_echo_cannel_manager.cpp
index 3b7f7e966149e4a18d7b95f2c37681394f126ca5..43ce9dee89d09e3323939cd9cf78cc86be290c9d 100644
--- a/services/audiomanager/managersource/src/daudio_echo_cannel_manager.cpp
+++ b/services/audiomanager/managersource/src/daudio_echo_cannel_manager.cpp
@@ -324,7 +324,7 @@ int32_t DAudioEchoCannelManager::LoadAecProcessor()
         return ERR_DH_AUDIO_NULLPTR;
     }
     aecProcessor_ = getAecEffectProcessorFunc();
-    DHLOGI("LoadAecEffectProcessor exit.");
+    DHLOGI("LoadAecEffectProcessor exit");
     return DH_SUCCESS;
 }
 
diff --git a/services/audiomanager/managersource/src/daudio_source_dev.cpp b/services/audiomanager/managersource/src/daudio_source_dev.cpp
index 300c50c92d274c975cb85d1bb62e43367028cd5f..4ae2cba0000c300457240284183534a338e1e0b0 100644
--- a/services/audiomanager/managersource/src/daudio_source_dev.cpp
+++ b/services/audiomanager/managersource/src/daudio_source_dev.cpp
@@ -129,6 +129,7 @@ void DAudioSourceDev::SetRegDataType(const std::string &capability)
     } else {
         isFull_.store(false);
     }
+    cJSON_Delete(jParam);
 }
 
 int32_t DAudioSourceDev::EnableDAudio(const std::string &dhId, const std::string &attrs)