甲骨文在线客服给的回复是：
To initiate the MFA reset process, I require specific details to authenticate your identity and verify your ownership of this Cloud Account. Kindly provide the following information:
1.Please share your tenancy name.
2. Please share your email address.
3. Please share the phone number linked to your cloud account.
4. Please share the expiration date and last 4 digits of the Credit card that you used while signup of this account.
Click here to initiate a chat to reset your your MFA.
https://oc-cx-en.custhelp.com/app/chat/chat_launch/incidents.c$sc_country/85?prod=iaas
