Swift 我在IOS 13.1中面临谷歌登录的问题 调用此GIDSignIn.sharedInstance.signIn时显示错误原因：“必须设置presentingViewController。”

下面是完整错误

2019-10-25 12:12:31.060880+0530[7575:70886]*由于未捕获的异常“NSInvalidArgumentException”而终止应用程序，原因是：“必须设置presentingViewController。” *第一次抛出调用堆栈： 0 CoreFoundation 0x00007fff23baa1ee例外预处理+350 1 libobjc.A.dylib 0x00007fff50864b20 objc_异常_抛出+48 2 CoreFoundation 0x00007fff23baa02c+[N异常提升：格式：] + 188 3实况视频0x000000010b2bb7e4-[GIDSignIn signin with options:] + 123 4现场视频0x000000010b2bb1b2-[GIDSignIn signIn]+64 5实况视频0x000000010b1c9390$S9LiveVideo21ProfileViewController12GoogleSignupyyyypf+272 6 LiveVideo 0x000000010b1c9400$S9LiveVideo21ProfileViewControllerC12谷歌注册YYYYPFTO+80 7 UIKitCore 0x00007FFF475A082-[UIApplication sendAction:to:from:forEvent:] + 83 8 UIKitCore 0x00007fff46f608e5-[UIControl发送操作：发送到：forEvent:] + 223 9 UIKitCore 0x00007fff46f60c2f-[UIControl\u发送操作预防：带事件：] + 398 10 UIKitCore 0x00007fff46f5fb8e-[UIControl触摸已选择：带事件：] + 481 11 UIKitCore 0x00007fff475b4a31-[UIWindow\u sendTouchesForEvent:] + 2604 12 UIKitCore 0x00007fff475b6338-[UIWindow sendEvent:] + 4596 13 UIKitCore 0x00007fff47591693-[UIApplication sendEvent:] + 356 14 UIKitCore 0x00007FFF4761E5A uu调度预处理版本RomeventQueue+6847 15 UIKitCore 0x00007fff47614920 _uhandleeventqueueinternal+5980 16 CoreFoundation 0x00007fff23b0d271\u CFRUNLOOP\u正在调用\u OUT\u至\u源0\u执行\u功能\u17 17 CoreFoundation 0x00007fff23b0d19c\uuu CFRunLoopDoSource0+76 18 CoreFoundation 0x00007fff23b0c974\uuu CFRunLoopDoSources0+180 19 CoreFoundation 0x00007fff23b0767f _ucfrunlooprun+1263 20 CoreFoundation 0x00007fff23b06e66 CFRUNLOOPSCRONE+438 21图形服务0x00007fff38346bb0 GSEventRunModal+65 22 UIKitCore 0x00007FFF4778DD0 UIApplicationMain+1621 23现场视频0x000000010b2b25ab主+75 24 libdyld.dylib 0x00007fff516ecd29启动+1 libc++abi.dylib:以NSException类型的未捕获异常终止 lldb

请添加分配代表的时间。 GIDSignIn.sharedInstance.presentingViewController=self

请添加分配代理的时间。 GIDSignIn.sharedInstance.presentingViewController=self