- [ ] I have searched the [issues](https://github.com/vueComponent/ant-design-vue/issues) of this repository and believe that this is not a duplicate. ### Version 3.3.0-beta.2 ### Environment win10\chrome\vue3 ### Reproduction link [](https://codesandbox.io/s/sjt8or) ### Steps to reproduce 1、a-textarea设定 :auto-size="{ minRows: 2, maxRows: 5 }" 2、在输入框中将光标定位到文案中间 3、连续快速的输入中文  ### What is expected? 正常在文案中间插入字符 ### What is actually happening? 光标会移动到最后,导致输入位置错误 <!-- generated by issue-helper. DO NOT REMOVE -->