IOS 发布 升级新版本

ERROR ITMS-90725: "SDK Version Issue. ERROR ITMS-90725: "SDK Version Issue. This app was built with the iOS ‘9.3‘ SDK. All new iOS apps submitted to the App Store must be built with the iOS ‘11.0‘ SDK or later, included in Xcode [9.0] or later. Please update Xcode and rebuild your app.

iOS 11.0

Xcode 9.0