$product = [
'p_name' => '意尔康小白鞋',
'p_price' => 299,
'p_origin_short' => '浙江温州',
'p_producers' => '浙江温州',
'p_origin_detail' => '浙江温州XXX路',
'p_categoryId' => 7,
'p_imgs' => [
['path' => 'uploads/product/p1.jpg'],
['path' => 'uploads/product/p2.jpg'],
['path' => 'uploads/product/p3.jpg'],
['path' => 'uploads/product/p4.jpg'],
],
'p_property' => [
[
'p_property_id' => 1,
'p_size' => 36,
'p_stock' => 150,
'p_status' => 1,
],
[
'p_property_id' => 2,
'p_size' => 37,
'p_stock' => 99,
'p_status' => 1,
]
]
];

以上为产品结构的定义，但是更新子文档目前还没有找到有效的方法。