去除el-button红色plain删除按钮点击后没有失焦显示

 <el-button type="danger" plain size="mini" @click="deleteGoodRow(scope.$index,$event)">删除</el-button>
 
// 强制el-button点击后失焦(传$event)
  forceBtnBlur(e){
      let target=e.target;
      if(target.nodeName == 'SPAN' || target.nodeName == 'I'){
            target = e.target.parentNode;
      }
     target.blur();
  },