平台原始字段（来自 API 响应或 CSV 导入）：
{
"add_time": "2024-09-04 16:37:51",
"barcode": "",
"biz_type": 3,
"cates": [
{
"cate_id": 151082994,
"cate_name": "自然童伴",
"sort_num": 14
}
],
"chain_store_sync": false,
"cost_price": "",
"fx": 0,
"fx_fee_rate": "0.0",
"h5Url": "https://weidian.com/item.html?itemID=7267225007",
"imgs": [
"https://si.geilicdn.com/pcitem1790250396-34f500000191bc0395760a2395d6-unadjust_809_606.png?w=480&h=480&cp=1"
],
"istop": 0,
"item_desc": "活动招募｜“三冈水长，研之有’稻’”科普活动，活动二：稻田农事，观展稻田朋友圈，辨识动植物朋友，了解稻田生态参观智慧农业物联网，观看农业无人机或收割机作业，感受现代农业科技",
"item_name": "活动招募｜“三冈水长，研之有’稻’”科普活动，活动二：稻田农事，观展稻田朋友圈，辨识动植物朋友，了解稻田生态参观智慧农业物联网，观看农业无人机或收割机作业，感受现代农业科技",
"item_simple_name": "三岗水长研之有稻",
"itemid": "7267225007",
"merchant_code": "",
"price": "69.00",
"self_create": true,
"seller_id": "1867168977",
"skus": [
{
"attr_ids": "1",
"buy_stock": 0,
"csku_id": "",
"dur_time": "",
"id": 124248054361,
"img": "",
"item_id": 7267225007,
"price": "69.0",
"skuType": 2,
"sku_merchant_code": "",
"status": 1,
"stock": 0,
"sup_id": "",
"sup_price": "",
"title": "上午场"
},
{
"attr_ids": "2",
"buy_stock": 0,
"csku_id": "",
"dur_time": "",
"id": 124248218362,
"img": "",
"item_id": 7267225007,
"price": "69.0",
"skuType": 2,
"sku_merchant_code": "",
"status": 1,
"stock": 0,
"sup_id": "",
"sup_price": "",
"title": "下午场"
}
],
"sold": 0,
"status": 2,
"stock": 0,
"thumb_imgs": [
"https://si.geilicdn.com/pcitem1790250396-34f500000191bc0395760a2395d6-unadjust_809_606.png?w=110&h=110&cp=1"
],
"tiaohuo_item": false,
"update_time": "2024-10-09 00:41:39"
}