The cart is updated only when the user clicks a button, and the user has to navigate to another page to see a detailed description of an item.

购物车仅当用户点击按钮时才会更新，而用户不得不转入其他页面以浏览产品的详细描述。

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Therefore, you need to pass a parameter to the server — specifically, the ID of the cart item for which you want to see a description.

因此，您需要为服务器传递一个参数——特别是您想看的商品信息的购物车条目id。

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