//this.newTableData 数组

            this.newTableData.map((item,index)=>{

                //item.label 数组

                if(item.label){

                    item.label = item.label.join('，');

                }

            })

<el-table-column prop="label" label="客群标签">

					<template slot-scope="scope">

						<div class="label-ceil">

							<div v-for="(item,ind) in scope.row.label" :key="ind">

								<span v-if="ind+1 == scope.row.label.length">{{item}} </span>

								<span v-else>{{item}},</span>

							</div>

						</div>

					</template>

				</el-table-column>