vueqr插件报错TypeError: Cannot read properties of undefined (reading '_c')

这个报错的原因是在创建Vue实例时，Vue还没有生成DOM，因此无法获取到`this.$refs.qrCodeUrl`对应的DOM元素，从而导致报错。，我注意到您对于路由组件的配置出现了一些错误。在路由配置中，子组件的`component`属性应该是`components`而不是`component`。所以您需要修改代码中的`components`为`component`，如下所示：

{ path: 'detail', component: Detail }

请将这个修改后的代码应用到您的项目中，应该就能解决报错问题了。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
#### 引用[.reference_title]
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