Dear, you can use your new Huawei account to log in and associate your certificate. A message will be displayed, indicating that you can unbind your old account and bind it to the new account.
https://e.huawei.com/cn/talent/#/personal/mycertIf you still can't associate, please provide follow information:
old account:
old account associated email:
new account:
new account associated email:
name:
telephone: