加载边框的组件使用v-if隐藏后报错，异常栈如下

[bantu4me]

caught (in promise) TypeError: Cannot read properties of null (reading '$el')
at ref (index.mjs:44:33)
at callWithErrorHandling (runtime-core.esm-bundler.js:155:22)
at setRef (runtime-core.esm-bundler.js:4523:9)
at unmount (runtime-core.esm-bundler.js:6067:13)
at unmountComponent (runtime-core.esm-bundler.js:6196:13)
at unmount (runtime-core.esm-bundler.js:6081:13)
at unmountChildren (runtime-core.esm-bundler.js:6225:13)
at unmount (runtime-core.esm-bundler.js:6099:17)
at patch (runtime-core.esm-bundler.js:5054:13)
at patchBlockChildren (runtime-core.esm-bundler.js:5390:13)
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