重置小狐狸

https://metamask.zendesk.com/hc/en-us/articles/360015488891-Resetting-an-Account

You will not lose value in your accounts.

To reset the account:

On Extension, click the account icon on the top-right corner. On Mobile, tap the hamburger icon in the top left to open the main menu.

Select Settings

Select Advanced 

Scroll down and clickReset Account