Paul Chenʕ •ᴥ•ʔのマイページ

add location.reload() in your js

Or you can just use Line UID as an account? and then user just have to type password

GAS is very very laggy , try use other VPS.

Slow down the speed and try again, or send the next packet till get the last response.

Liff will take a redirect to your web page, make your getprofile function at the second page, then maybe it wont send an error with it.

check each member's profile in group, bot sould have a sign (shield with a star) in front of it name.