iOS应用程序更新系统
我是 iOS 开发新手。我找不到应用程序更新系统如何工作的问题的答案。我想编写一个具有一组关卡的游戏。然后我希望能够向游戏添加新的关卡（在将其上传到应用程序商店之后）。所以我的游戏应该更新。我不明白该怎么做。
I'm new to iOS development. And i can't find an answer to a question how does application update system work. I want to write a game which will have a set of levels. Then i want to be able to add new levels to the game (after it was uploaded into app store). So my game should be updated. And i don't understand how to do this.
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在任何情况下，您需要对代码进行任何更改，您都需要准备一个新的提交版本，其版本号大于之前提交的版本，然后通过 iTunes Connect 提交到应用程序商店。这将再次经过Apple审核流程。
In any case you need to make any change in the code, you will need to prepare a new submission build with version number greater than the previous submitted one and then submit to app store through iTunes Connect. This will go through the Apple review process again.
如果您不需要更新代码，比如关卡存储为 xml 文件、数据库等，则无需通过商店。您可以简单地检查某些（=您的）服务器是否有可用的更新内容并将其下载到设备。
If you don't need to update your code, say levels are stored as xml files, a database etc., you don't need to go through the store. You could simply check with some (= your) server whether there is updated content available and download that to the device.