uniapp 解决小程序自定义tabbar在ios手机上无法显示问题

在custom-tab-bar文件夹中，index.js文件中，

Component({
  data: {
    selected: 0,
    color: "#B2B2B2",
    selectedColor: "#FF502F",
	allList: [{
		// cheguanyuan
		vehicleControllerList: [{
			pagePath: "/pages/home/home",
			iconPath: "/static/images/tab0_icon.png",
			selectedIconPath: "/static/images/tab0_active.png",
			text: "首页"
		}, {
			pagePath: "/pages/deliverGoods/deliverGoods",
			iconPath: "/static/images/tab1.png",
			selectedIconPath: "/static/images/tab1.png",
			text: "发货"
		},{
			pagePath: "/pages/mine/mine",
			iconPath: "/static/images/tab2_icon.png",
			selectedIconPath: "/static/images/tab2_active.png",
			text: "我的"
		}],
		// siji
		driverList: [{
			pagePath: "/pages/home/home",
			iconPath: "/static/images/tab0_icon.png",
			selectedIconPath: "/static/images/tab0_active.png",
			text: "首页"
		}, {
			pagePath: "/pages/mine/mine",
			iconPath: "/static/images/tab2_icon.png",
			selectedIconPath: "/static/images/tab2_active.png",
			text: "我的"
		}]
	}],
	list: []
  },
  attached() {
	  
	if(wx.getStorageSync('userInfo')){
		const role = wx.getStorageSync('userInfo').role
		if(role == 2){ // 车管员
			this.setData({
				list: this.data.allList[0].vehicleControllerList
			})
		}else if(role == 3){ // 司机
			this.setData({
				list: this.data.allList[0].driverList
			})
		}
	}
  },
  methods: {
    switchTab(e) {
      const data = e.currentTarget.dataset
      const url = data.path
	  this.setData({
	    selected: data.index
	  })
      wx.switchTab({url})
    },

	// 初始化赋值
	init() {
		if(wx.getStorageSync('userInfo')){
			const role = wx.getStorageSync('userInfo').role
			if(role == 2){ // 车管员
				this.setData({
					list: this.data.allList[0].vehicleControllerList
				})
			}else if(role == 3){ // 司机
				this.setData({
					list: this.data.allList[0].driverList
				})
			}
		}
	}
  }
})