[Eco Bounty] No feedback on the subscription function of iotex.io

Wallet Address:

0x9fed62ad944fcd8312a21a4ee1a0c351cecb2472

Description:

When I enter my email address and click ’Subscribe‘, the button spins for a while and returns to its original state. There is no prompt and no message is received in the mailbox. I don't know whether the subscription is successful.

Device & Environment: macOS

Device model: MacBook Pro