修改el-table表头样式

 

<style lang="scss" scoped>
::v-deep .el-table {
  .el-table__header-wrapper, .el-table__fixed-header-wrapper {
    th {
      word-break: break-word;
      background-color: #f8f8f9;
      color: #515a6e;
      height: 40px;
      font-size: 13px;
    }
  }
}
</style>