fix: Certificate verification problem

Created by: mangoGoForward

Signed-off-by: mango xu.weiKyrie@foxmail.com

What type of PR is this?

/kind bug

What this PR does / why we need it:

Please see #2696 (closed). When verify credential, only display the type is equip to username_password

Which issue(s) this PR fixes:

Fixes ##2696 (closed)

Does this PR introduced a user-facing change?

None