Xcode控制檯說Firebase未配置

我不知道爲什麼這不起作用我的Firebase已配置。這是我的AppDelegate.swift文件的Screenshot。這裏是我的控制檯日誌：Xcode控制檯說Firebase未配置

2017-05-29 17:52:53.141 Study M8[31592] <Error> [Firebase/Core][I-COR000003] The default Firebase app has not yet been configured. Add [FIRApp configure] to your application initialization. Read more: https://firebase.google.com/docs/ios/setup#initialize_firebase_in_your_app. 
2017-05-29 17:52:53.184 Study M8[31592:1051241] *** Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: 'The default FIRApp instance must be configured before the default FIRAuthinstance can be initialized. One way to ensure that is to call `[FIRApp configure];` is called in `application:didFinishLaunchingWithOptions:`.' 
*** First throw call stack: 
(
    0 CoreFoundation      0x000000010a445b0b __exceptionPreprocess + 171 
    1 libobjc.A.dylib      0x0000000109eaa141 objc_exception_throw + 48 
    2 CoreFoundation      0x000000010a4ae625 +[NSException raise:format:] + 197 
    3 Study M8       0x0000000108550a84 +[FIRAuth auth] + 88 
    4 Study M8       0x00000001084e7a77 _TFC8Study_M810MessagesVCcfT5coderCSo7NSCoder_GSqS0__ + 279 
    5 Study M8       0x00000001084e7bcd _TToFC8Study_M810MessagesVCcfT5coderCSo7NSCoder_GSqS0__ + 45 
    6 UIKit        0x000000010ac70f54 -[UIClassSwapper initWithCoder:] + 246 
    7 UIKit        0x000000010ae614af UINibDecoderDecodeObjectForValue + 693 
    8 UIKit        0x000000010ae6164d UINibDecoderDecodeObjectForValue + 1107 
    9 UIKit        0x000000010ae611ef -[UINibDecoder decodeObjectForKey:] + 89 
    10 UIKit        0x000000010aa07267 -[UIViewController initWithCoder:] + 1421 
    11 UIKit        0x000000010aa5cee5 -[UITabBarController initWithCoder:] + 65 
    12 UIKit        0x000000010ae614af UINibDecoderDecodeObjectForValue + 693 
    13 UIKit        0x000000010ae611ef -[UINibDecoder decodeObjectForKey:] + 89 
    14 UIKit        0x000000010ac70c20 -[UIRuntimeConnection initWithCoder:] + 178 
    15 UIKit        0x000000010ae614af UINibDecoderDecodeObjectForValue + 693 
    16 UIKit        0x000000010ae6164d UINibDecoderDecodeObjectForValue + 1107 
    17 UIKit        0x000000010ae611ef -[UINibDecoder decodeObjectForKey:] + 89 
    18 UIKit        0x000000010ac6fe1d -[UINib instantiateWithOwner:options:] + 1262 
    19 UIKit        0x000000010b02882f -[UIStoryboard instantiateViewControllerWithIdentifier:] + 181 
    20 UIKit        0x000000010a8688d1 -[UIApplication _loadMainStoryboardFileNamed:bundle:] + 108 
    21 UIKit        0x000000010a868db3 -[UIApplication _loadMainInterfaceFile] + 260 
    22 UIKit        0x000000010a867456 -[UIApplication _runWithMainScene:transitionContext:completion:] + 1407 
    23 UIKit        0x000000010a864793 -[UIApplication workspaceDidEndTransaction:] + 182 
    24 FrontBoardServices     0x000000010d3205f6 __FBSSERIALQUEUE_IS_CALLING_OUT_TO_A_BLOCK__ + 24 
    25 FrontBoardServices     0x000000010d32046d -[FBSSerialQueue _performNext] + 186 
    26 FrontBoardServices     0x000000010d3207f6 -[FBSSerialQueue _performNextFromRunLoopSource] + 45 
    27 CoreFoundation      0x000000010a3ebc01 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 17 
    28 CoreFoundation      0x000000010a3d10cf __CFRunLoopDoSources0 + 527 
    29 CoreFoundation      0x000000010a3d05ff __CFRunLoopRun + 911 
    30 CoreFoundation      0x000000010a3d0016 CFRunLoopRunSpecific + 406 
    31 UIKit        0x000000010a86302f -[UIApplication _run] + 468 
    32 UIKit        0x000000010a8690d4 UIApplicationMain + 159 
    33 Study M8       0x00000001084e8997 main + 55 
    34 libdyld.dylib      0x000000010ca5665d start + 1 
) 
libc++abi.dylib: terminating with uncaught exception of type NSException 
(lldb)

如果任何人有任何想法做什麼plz幫助。

來源

2017-05-29 Jack Staples