setheader({ column }){
return [
h('p',{style:'margin:0px'}, column.label.split(",")[0]),
h('p',{style:'margin:0px'}, column.label.split(",")[1])
]
},
<el-table-column :render-header="setheader" prop="Oee" label="Improve,target" min-width="20%" >
<template v-slot="scope">
<p>{{ (scope.row.Oee - scope.row.TarOee).toFixed(2) }}%</p>
</template>
</el-table-column>