检查您的防火墙设置
如果您的网络上已启用防火墙，则其可能会干扰 POS 功能。
将主机名加入允许列表
在您的防火墙设置中，将以下主机名上的所有端口添加到允许列表：
api.emms.bbpos.comtms.bbpos.comshopify.comshopifycs.com
如果您需要有关将这些主机名添加到允许列表的帮助，请与网络管理员联系。
地理 IP 地址筛选
更新服务器遍布全球。如果您的防火墙根据地理地点筛除 IP 地址，则需要禁用此筛选。
如果您需要有关更改防火墙设置的帮助，请与网络管理员联系。
将 Shopify POS 与 Shopify 后台重新同步
Shopify POS 应用应自动更新，以显示您在 Shopify 后台进行的任何更改。如果您在 Shopify 后台内所做的更改没有显示在 Shopify POS 应用中，那么您可以通过将应用发送至您的 iOS 设备后台运行并重新打开它来强制此应用与您的 Shopify 后台重新同步。
步骤：
在 Shopify POS 应用中，打开任务管理器以将应用发送至后台运行。
在设备的主屏幕中，找到并点击 Shopify POS 应用。
检查您的新更改是否已在 Shopify POS 应用中生效。
强制关闭 Shopify POS 应用
如果您发现 Shopify POS 应用的运行速度缓慢，或者有时会冻结，请尝试强制关闭应用然后重新打开。
步骤：
打开任务管理器以显示正在运行的所有应用。
左右轻扫应用以找到 Shopify POS 应用。
找到 Shopify POS 应用后，向上轻扫以将其强制关闭，并从应用列表中将其移除。
按主屏幕按钮返回设备主屏幕。
点击 Shopify POS 再次打开应用。
从 Shopify POS 应用发送报告
如果您已尝试上述故障排除步骤，并且 Shopify POS 应用仍然出现性能问题，请从该应用发送报告并联系 Shopify 支持以获取技术帮助。
步骤：
在 Shopify POS 应用中，点击 ≡ > 客服。
点击发送报告。
在发送报告对话框中，描述您遇到的问题。
点击发送。
您的反馈和设备的应用程序日志会发送到 Shopify，这样一来，当您联系我们时，我们便能更好地为您提供帮助。
Shopify商户官网原文详情：
Check your firewall settings
If you have a firewall enabled on your network, then it can interfere with POS functionality.
Add hostnames to your allow list
In your firewall settings, add all ports on the following hostnames to your allow list:
api.emms.bbpos.com
tms.bbpos.com
shopify.com
shopifycs.comIf you need help to add these hostnames to your allow list, then contact your network administrator.
Geographic IP address filtering
The update servers are worldwide. If your firewall filters out IP addresses based on geographical location, then you need to disable this filter.
If you need help to change your firewall settings, then contact your network administrator.
Resync Shopify POS with your Shopify admin
The Shopify POS app should automatically update to show any changes you make in your Shopify admin. If you make a change in your Shopify admin that doesn't appear in the Shopify POS app, then you can force the app to resync with your Shopify admin by sending the app to run in the background on your iOS device and then reopening it.
Steps:
From the Shopify POS app, open the task manager to send the app to run in the background.
From the home screen of your device, find and tap the Shopify POS app.
Check that your new changes have taken effect in the Shopify POS app.
Force close the Shopify POS app
If you find that the Shopify POS app is slow, or that it sometimes freezes, then try forcing the app to close and then reopening it.
Steps:
Open the task manager to display all the apps that are running.
Swipe the apps left and right to find the Shopify POS app.
When you find the Shopify POS app, swipe it upwards to force it to close and remove it from the list of apps.
Press the home button to return to your device home screen.
Tap Shopify POS to open the app again.
Send a report from the Shopify POS app
If you've tried the troubleshooting steps above and you're still experiencing performance issues with the Shopify POS app, then send a report from the app and contact Shopify Support for technical help.
Steps:
From the Shopify POS app, tap ≡ > Support.
Tap Send a report.
In the Send report dialog, enter a description of the problem that you're experiencing.
Tap Send.
Your feedback and the device's application logs are sent to Shopify, and we'll be in a better position to help you when you contact us.
文章内容来源：Shopify商户官方网站
