Xcode 7.1中没有“iOS设备”选项

I'm facing a problem with Xcode. I developed an App which I want to submit to the App Store. But I need the app archive, and everything i find on the web tells me to choose "iOS Device" as a device for build. But the option is not available. I have a valid Provisioning profile and developer account. Here's a screenshot: I'm facing a problem with Xcode. I developed an