public List <FieldDto> GetFields(int taskId)
{
var authInfo = _authInfoProvider.GetCurrent();
var userId = authInfo?.User?.Id;
var task = _taskProvider.GetTask(taskId);
if (task.Assignee != userId.Value.ToString())
{
throw new AppCoreException($"id:为{userId.Value}的用户不是任务：{task.NodeName}的委托人");
}
return(_taskProvider.GetFieldsByTask(taskId));
}