【手机端】input外层有div包裹，失焦后，对外层div点击，方法执行，但input获取不到焦点

HTML:
```html
<div v-tap="{ methods: clearError }">
  <input>
  <div>{{ errorMessage }}</div>
</div>
<button v-tap="{ methods: addError }">Error</button>
```
Javascript:
```javascript
methods: {
  clearError () {
    this.errorMessage = ''
  },
  addError () {
    this.errorMessage = 'Error!'
  }
}
```