iOS 7 CoreBluetooth retrievePeripheralsWithIdentifiers没有检索

I am having an issue updating my CoreBluetooth code from iOS 6 to iOS 7. I can scan for Peripherals and make connections, however, I am not able to reconnect a Peripheral using the new CoreBluetooth methods offered within iOS 7. Here is a look at how I am trying to accomplish the reconnection:I am having an issue updating my CoreBluetooth