【Vue warn】If this is a native custom element, make sure to exclude it from component resolution ……
runtime-core.esm-bundler.js?d2dd:40 [Vue warn]: Failed to resolve component: add-one If this is a native custom element, make sure to exclude it from component resolution via compilerOptions.isCustomElement.
百度翻译一下：
如果这是一个本地自定义元素，请务必通过编译器从组件分辨率中排除它。
Solving：引入单个自定义组件，不加{ }
