[Bug Report] When the disabled radio is clicked, the left circle still has the ative style

[qsjc]

Element UI version

2.4.0

OS/Browsers version

win10

Vue version

2.5.2

Reproduction Link

https://jsfiddle.net/pdzd2fox/

Steps to reproduce

place click the url

What is Expected?

There is no ative style in the left circle when the disabled radio is clicked

What is actually happening?

When the disabled radio is clicked, the left circle still has the ative style