用Cuid与UI D用发卡修改0扇区数据后，电梯有声音，无法按楼层。刷完卡再次解码显示一个00Dc40代码，过一段时间又还原成原来修改的代码？这是什么情况？有防火墙吗？怎么解决问题。

0扇区
2B 67 80 A2 6E 08 04 00 02 17 44 FC 2D 84 37 1D
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
AB CD 06 13 09 04 FF 07 80 69 AB CD 06 13 09 04
1扇区
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
DA A1 1A 12 30 43 FF 07 80 69 25 5E E5 ED CF BC
2扇区
44 04 00 00 00 00 18 04 0D 0E 00 00 00 00 00 A1
20 00 00 00 01 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
AB CD 06 13 09 04 FF 07 80 69 AB CD 06 13 09 04