UK construction did not download the CD-ROM certificate how to do

Office building in a UK, to the hungry of the box there Watchdata Network CD-ROM and a silver shield, silver shield Watchdata net hanging on key chains, CD-ROM was lost, 7 days did not, there is no way to The hungry under a certificate good??, Or to re-sign to the building of

CD-ROM is only lost if it does not matter as long as the U shield Meidiu Like, just inside the U CD-ROM drive of the shield, but as long as you go to a bank official website Watchdata will be able to drive, and if not, then download the information issued to me, I have to be inside the CD-ROM drive to copy You go to the official network of Construction Bank, the above seems to have