//方法中调用，然后赋值给data，或者用vue 的filters，后面研究
  this.dataList.forEach((item, index) => {
        const newSubList = this.dataList[index].gradeChoSubList.filter((item) => {
          return item.subjectName === '物理' | item.subjectName === '历史'
        })
        // 物理和历史比例条数据
        this.physicsHistorylist = newSubList
        console.log(newSubList)