the register is online now but i cent regiser
im finishin all what i need to do and i leave the last text box empty like the guide's say's.i click ok and it writing me:
邀请码无效且不能为空请联系客服!重新填写
OK
i click ok and it poot me at the last text box...
it means that i need to write there somthing.
please help me!what i need to write?