el-select 远程搜索时 添加箭头图标

这个是没有下拉剪头如何添加的代码
.registration-option /deep/ .el-select {
  .el-select__caret::before {
    content: "\e608";
  }
  .is-focus {
    .el-select__caret:first-child {
      transform: rotateZ(0deg);
    }
  }
}



这个是el-select去掉下拉剪头的代码

.el-select {
.el-select__caret:first-child::before {
content: "\e6e1";
}
.is-focus {
.el-select__caret:first-child {
transform: rotateZ(0deg);
}
}
}