[Bug Report] inline-calendar 组件能设置从周一开始而不是周日

### VUX version
2.9.2

### OS/Browsers version
all

### Vue version
2.5.21

### Code

```html

import { InlineCalendar } from 'vux';
export default {
components: {
InlineCalendar
},
data () {
return {
value: '',
range: false,
show: true,
showLastMonth: true,
showNextMonth: true,
highlightWeekend: false,
return6Rows: true,
hideHeader: false,
hideWeekList: false,
replaceTextList: {},
replace: true,
changeWeeksList: true,
weeksList: ['一', '二', '三', '四', '五', '六', '日'],
useCustomFn: false,
buildSlotFn: () => '',
disablePast: false,
disableFuture: false,
disableWeekend: false,
disableDateFunction (date) {
if (date.formatedDate === '2017-10-16') {
return false;
}
}
};
},
watch: {
replace (val) {
this.replaceTextList = val ? { TODAY: '今' } : {};
}
},
methods: {
onChange (val) {
console.log('on-change', val);
},
onViewChange (val, count) {
console.log('on view change', val, count);
}
}
};

```

### Steps to reproduce
我设置了 weeksList ，从周一到周日，但是下边的日期对应不上，我在想，能不能设置从周一开始呢？谢谢

### What is Expected?
希望 inline-calendar能设置从周一开始

### What is actually happening?
现在是从周日开始的，辛苦开发者给看一下，非常非常感谢！