Element UI version

2.15.13

OS/Browsers version

IE11

Vue version

2.6.12

Reproduction Link

https://github.com/ElemeFE/element 内网应用

Steps to reproduce

{{ formData. target }}

修改input的值，只添加一个数字或者字符，input值发生变化，formData.target值不发生变化。添加两个以上字符时不存在问题

What is Expected?

修复

What is actually happening?

修复