both of them indicated "future”，将来 , as compared with “past” or “present”，未来，coming, approaching..., 将来：“ The future ”generally refers to a more distant period, 未来：“The future” means what is to come, it can be far away or very near。Interchangeable in most cases。
For example ：将来的打算/未来的打算，美好的将来/美好的未来
the future if its close, we can only use 未来。例如: 未来三天 ，未来一周。
For example ：将来的打算/未来的打算，美好的将来/美好的未来
the future if its close, we can only use 未来。例如: 未来三天 ，未来一周。