bbb (@CVV) 在 N某的前世与今生 中发帖
https://linux.do/t/topic/1512733/22
https://linux.do/t/topic/1512733/24
https://linux.do/t/topic/1512733/30
https://linux.do/t/topic/1512733/31
https://linux.do/t/topic/1512733/36
https://linux.do/t/topic/1512733/51
总结：退款估计是不可能退款了