element ui表格设置高度后无限向右延伸解决方法

<el-table :data="courseScoreInfoList" class="kc-table" height="445">
	<el-table-column prop="aa" label="aa"></el-table-column>
</el-table>

.kc-table {
    width: 100%;
    ::v-deep() {
      .el-table__header-wrapper table,
      .el-table__body-wrapper table {
        width: 100% !important;
      }
      .el-table__body,
      .el-table__footer,
      .el-table__header {
        table-layout: auto;
      }
    }
  }