The web address on line 400 of this HTML file is localhost, and you must first install Ardor blockchain software. or switch to Online version

Original version 原創
If you don't have Ardor account, just use passphrase 0 and 1:
Passphrase 0 account ID : ARDOR-NZKH-MZRE-2CTT-98NPZ
Passphrase 1 account ID : ARDOR-X5JH-TJKJ-DVGC-5T2V8
Simple passphrase is NOT GOOD password, use at own risk.