*Halo.You Can update your old reading link to any other one*
Instruction
After Updating，Previous URL&QR will be pointing to the new reading code's File & Settings。
after updating，both old&new reading code will be last for another 6 month。
as long as the reading code is updated,the file could be continuted for reading
after updating，both old&new reading code will be last for another 6 month。
as long as the reading code is updated,the file could be continuted for reading
