I paid the fee 9/7/2018.
But PRO functions can not be used.
So please allow me to use the function!
Thank you very much for your support!
Really sorry for the late reply!
Your Pro account has been updated and we've offered you one extra month for free, please refresh your web version and click 'sync' on your phone and desktop version.
If any further problems, please feel free to tell us.
Have a nice day!