输入型组件切换为选择型组件后，添加选项报错

[yuni-bg]

vue.min.js:6 TypeError: Cannot read properties of undefined (reading 'push') at a.addSelectItem (index.10eebaa4.js:1:113226) at He (vue.min.js:6:11384) at a.n (vue.min.js:6:13168) at He (vue.min.js:6:11384) at e.$emit (vue.min.js:6:34373) at a.handleClick (index.js:1:125167) at He (vue.min.js:6:11384) at HTMLButtonElement.n (vue.min.js:6:13168) at Yr.o._wrapper (vue.min.js:6:48505) Ue @ vue.min.js:6 Be @ vue.min.js:6 Re @ vue.min.js:6 He @ vue.min.js:6 n @ vue.min.js:6 He @ vue.min.js:6 e.$emit @ vue.min.js:6 handleClick @ index.js:1 He @ vue.min.js:6 n @ vue.min.js:6 Yr.o._wrapper @ vue.min.js:6

[maomaojiujiu]

请问下你这边是怎么跑起来这个项目的，为啥我一运行npm run dev就嘎嘎报错啊，不支持vue3吗