次卡，购买，核销

<p><strong>次卡只支持收银机和掌中宝购买核销 SP后台新增次卡</strong> <img src="https://www.showdoc.com.cn/server/api/attachment/visitFile?sign=335c9513b50d6ebd752154028df9f565&amp;amp;file=file.png" alt="" /> <img src="https://www.showdoc.com.cn/server/api/attachment/visitFile?sign=057cba7d7aae4a7c6a21ccd391932ef0&amp;amp;file=file.png" alt="" /> <img src="https://www.showdoc.com.cn/server/api/attachment/visitFile?sign=db910048ad48074d812382f1fd62c3dd&amp;amp;file=file.png" alt="" /> <img src="https://www.showdoc.com.cn/server/api/attachment/visitFile?sign=405f997a2e9a80e812dc16e4835db531&amp;amp;file=file.png" alt="" /></p>