删除值时，界面上显示已删除干净，但是实际最后一个字符无法删掉

[zhouzhenyu1]

Describe the bug

Steps to reproduce

按照官方文档正常引入使用

Package Info

^2.1.7

Validations

• Is it the latest version?
• Read the docs.
• Check that there isn't already an issue that reports the same bug to avoid creating a duplicate.
• The provided reproduction is a minimal reproducible example of the bug.

[rennzhang]

升级到最新版吧，这个版本有 bug