element-ui中 table表格hover 修改背景色

重写element-ui table hover样式 

 
.el-table--enable-row-hover .el-table__body tr:hover>td{
background-color: #212e3e !important;
}

或者
.el-table__body tr:hover>td{
    background-color: #e1e7f0!important;
  }

  .el-table__body tr.current-row>td{
    background-color: #e1e7f0!important;
  }