uni.chooseImage 关于在app中 无权限和取消操作 fail 回调问题

{"errMsg":"chooseImage:fail cancel","errCode":2,"code":2} iOS相机取消
{"errMsg":"chooseImage:fail No filming permission","errCode":2,"code":2} iOS相机无权限

{"errMsg":"chooseImage:fail 用户取消,https://ask.dcloud.net.cn/article/282","errCode":-2,"code":-2} iOS相册取消

{"errMsg":"chooseImage:fail 没有权限","errCode":8,"code":8} iOS相册无权限

{"errMsg":"chooseImage:fail No Permission","errCode":11,"code":11} Android 相机无权限
{"errMsg":"chooseImage:fail resultCode is wrong","errCode":11,"code":11} , Android相机取消

{"errMsg":"chooseImage:fail No Permission","errCode":12,"code":12} Android 相册无权限
{"errMsg": "chooseImage:fail User cancelled","errCode": 12,"code": 12} Android 相册取消

能否做到 errCode / code 唯一性，不然要加一大堆判断逻辑，而且errMsg 返回格式也不统一，能统一格式吗，总不至于要通过errMsg来判断唯一性吧