[Bug Report]$LoadingBar在组件的mounted()方法中加载会出错

[remriver]

Environment

view-ui-plus: "1.1.0", vue: "3.2.13",

Reproduction link

https://run.iviewui.com/preview/xnlaJrY0

Steps to reproduce

执行链接：https://run.iviewui.com/preview/xnlaJrY0

What is expected?

进度条正常加载

What is actually happening?

报错：Cannot set properties of undefined (setting 'percent')