fix 视频时长

luma/src/main/java/com/yhlxj/service/midjourney/impl/LumaServiceImpl.java

@@ -114,7 +114,6 @@ public class LumaServiceImpl implements LumaService {
             conversation.setStatus("pending");
             conversation.setTaskId(taskId);
         }
-        conversation.setTime(Optional.ofNullable(conversation.getTime()).orElse(0) + 5);
         if (conversation.getId() == null) {
             conversationMapper.insert(conversation);
         }else {