平台原始字段（来自 API 响应或 CSV 导入）：
{
"add_time": "2025-05-20 11:01:14",
"barcode": "",
"biz_type": 3,
"cates": [
{
"cate_id": 150904762,
"cate_name": "漫四季",
"sort_num": 15
}
],
"chain_store_sync": false,
"cost_price": "",
"fx": 0,
"fx_fee_rate": "0.0",
"h5Url": "https://weidian.com/item.html?itemID=7474641984",
"imgs": [
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],
"istop": 0,
"item_desc": "「稻梦四季·春育栽」亲子活动招募｜水稻插秧、打菜子，榨菜籽油、DIY艺术漆扇，快来稻田体验宫崎骏的初夏啦！",
"item_name": "「稻梦四季·春育栽」亲子活动招募｜水稻插秧、打菜子，榨菜籽油、DIY艺术漆扇，快来稻田体验宫崎骏的初夏啦！",
"item_simple_name": "水稻插秧打油菜籽榨菜籽油艺术漆",
"itemid": "7474641984",
"merchant_code": "",
"price": "238.00",
"self_create": true,
"seller_id": "1867168977",
"skus": [
{
"attr_ids": "1",
"buy_stock": 0,
"csku_id": "",
"dur_time": "",
"id": 124927230537,
"img": "",
"item_id": 7474641984,
"price": "376.0",
"skuType": 2,
"sku_merchant_code": "",
"status": 1,
"stock": 270,
"sup_id": "",
"sup_price": "",
"title": "增加一位儿童（138元/位）"
},
{
"attr_ids": "2",
"buy_stock": 0,
"csku_id": "",
"dur_time": "",
"id": 124927230539,
"img": "",
"item_id": 7474641984,
"price": "298.0",
"skuType": 2,
"sku_merchant_code": "",
"status": 1,
"stock": 270,
"sup_id": "",
"sup_price": "",
"title": "增加一位家长（60元/位）"
},
{
"attr_ids": "3",
"buy_stock": 0,
"csku_id": "",
"dur_time": "",
"id": 124927394538,
"img": "",
"item_id": 7474641984,
"price": "238.0",
"skuType": 2,
"sku_merchant_code": "",
"status": 1,
"stock": 270,
"sup_id": "",
"sup_price": "",
"title": "不增加"
}
],
"sold": 0,
"status": 1,
"stock": 0,
"thumb_imgs": [
"https://si.geilicdn.com/pcitem1790250396-28e200000196eb98a4dc0a239846_1280_1920.jpg?w=110&h=110&cp=1"
],
"tiaohuo_item": false,
"update_time": "2025-06-16 00:41:47"
}