请问各位大佬一个问题：element el-table-column 设置宽度不生效，谢谢解答！

Question

    <el-table
            :data="tableData"
            style="width: 100%"
            ref="multipleTable"
      v-perfect-scrollbar
            :header-cell-style="{ textAlign: 'center' }"
            :cell-style="{ textAlign: 'center' }"
            @selection-change="handleSelectionChange"
        >
    <el-table-column fixed type="selection" width="55" />
            <el-table-column fixed prop="date" label="ID"/>
            <el-table-column fixed prop="name" label="商家名称"  width="255" />
            <el-table-column  prop="province" label="发货时长(h)" width="255">
                <el-table-column prop="province" label="发货时长(h)" />
                <el-table-column prop="province" label="排名" />
            </el-table-column>

Answer 1

<el-table-column  prop="province" label="发货时长(h)">
    <el-table-column prop="province" label="发货时长(h)" width="255" />
    <el-table-column prop="province" label="排名" width="255" />
</el-table-column>

Answer 2

设置发货时长和排名就行了吧