调用小商店更新库存接口，返回以下错误：

{"product_id":39449560,"stock_num":442,"库存同步的请求结果: {}":{"errcode":208001,"errmsg":" rid: 6216cde9-7aecbf89-4632d5fa"},"sku_id":83729200,"type":1}

接口名称：product/stock/update