diff --git a/services/audiomanager/managersink/src/daudio_sink_manager.cpp b/services/audiomanager/managersink/src/daudio_sink_manager.cpp
index cafc375e1d37caeddad75a3c16b9d4eebcad2502..f2d0dc1f35c04bcfb6697b20cd576434ea6e0d6d 100644
--- a/services/audiomanager/managersink/src/daudio_sink_manager.cpp
+++ b/services/audiomanager/managersink/src/daudio_sink_manager.cpp
@@ -202,6 +202,8 @@ int32_t DAudioSinkManager::CreateAudioDevice(const std::string &devId)
     std::string eventContent = std::string(jsonData);
     cJSON_free(jsonData);
     cJSON_Delete(jParam);
+    int32_t SLEEP_TIME = 300;
+    std::this_thread::sleep_for(std::chrono::milliseconds(SLEEP_TIME));
     NotifyEvent(devId, CTRL_OPENED, eventContent);
     return DH_SUCCESS;
 }
diff --git a/services/audiomanager/managersource/src/daudio_source_dev.cpp b/services/audiomanager/managersource/src/daudio_source_dev.cpp
index 6847aae17a01b29369124a42577dcc25bd296936..930a2adb435c274d032643c26581026cb8a141b3 100644
--- a/services/audiomanager/managersource/src/daudio_source_dev.cpp
+++ b/services/audiomanager/managersource/src/daudio_source_dev.cpp
@@ -117,7 +117,11 @@ void DAudioSourceDev::SetRegDataType(const std::string &capability)
         return;
     }
     cJSON *dataType = cJSON_GetObjectItem(jParam, KEY_DATATYPE);
-    CHECK_NULL_AND_FREE_VOID(dataType, jParam);
+    if (dataType == nullptr || !cJSON_IsString(dataType)) {
+        DHLOGE("The key dataType is null.");
+        cJSON_Delete(jParam);
+        return;
+    }
     DHLOGI("RegData type is : %{public}s.", dataType->valuestring);
     std::string typeStr(dataType->valuestring);
     if (typeStr == KEY_TYPE_FULL) {