local root = {
    {
        goodsConfigId = 1,
        qa = 1,
        price = {id=102,count=200},
        weight = 70
    },
    {
        goodsConfigId = 1,
        qa = 2,
        price = {id=102,count=300},
        weight = 20
    },
    {
        goodsConfigId = 1,
        qa = 3,
        price = {id=102,count=500},
        weight = 10
    }
}
return root