Translation of this issue:

Element UI version

2.15.7

OS/Browsers version

MacOS / Chrome 94.0.4606.61 (official version) (x86_64)

Vue version

2.6.14

Reproduction Link

https://codepen.io/wrma/pen/mdBJbxV?editors=1010

Steps to reproduce

1. select a checkbox
2. show error tips
3. clear checkbox
4. error tips disappear
   （ps: the input is normal）

What is Expected?

when checkbox is selected, don't show error tip

What is actually happening?

show error tip

v-model must matched the prop,so it should be 'ruleForm.type',you can try it

v-model must matched the prop,so it should be 'ruleForm.type',you can try it

But the input work in my case

When el-form-item validate, it get value from ruleForm and validate;
The input trigger change event before validate, but the checkbox after