wx.request({
    url: 'https://index.json',
    header: {
        'content-type': 'application/json'
    },
    success(res) {
        wx.hideLoading();
        console.log(res.data)
        that.setData({
            depsVtabs: res.data
        })
    }
})

wx.cloud.downloadFile({
  fileID:'cloud://index.json',
  success: result=>{
    let fs = wx.getFileSystemManager();
    let  depJson= fs.readFileSync(result.tempFilePath,"utf-8");
    that.setData({
      depsVtabs:JSON.parse(depJson)
    },function(){
      wx.hideLoading();
    })
  }
})