编译错误，不知道怎么解

Check dependencies target specifies product type 'com.apple.product-type.bundle.ui-testing', but there's no such product type for the 'iphonesimulator' platform iOS deployment target '9.1' for architecture 'x8664' and variant 'normal' is greater than the maximum value '8.4.99' for the Simulator - iOS 8.4 SDK. iOS deployment target '9.1' for architecture 'x8664' and variant 'normal' is greater than the maximum value '8.4.99' for the Simulator - iOS 8.4 SDK. iOS deployment target '9.1' for architecture 'x86_64' and variant 'normal' is greater than the maximum value '8.4.99' for the Simulator - iOS 8.4 SDK.