请帮我解决这个小问题我有这个安卓代码:privateArrayListserviceNameList=newArrayList();serviceNameList.add("windows");serviceNameList.add("linux");serviceNameList.add("mac");然后，我使用firestore来保存我的数据:Mapservice=newHashMap();service.put("full_name",full_name.getText().toString());service.put("Services_names",Collections