SwiftUI - CNContactViewController NavigationBar问题

import SwiftUI
import ContactsUI

struct ContentView: View {
    @State private var showContactView = false
    
    var body: some View {
        NavigationView {
            VStack {
                Button(action: {
                    self.showContactView = true
                }) {
                    Text("Show Contact View")
                }
            }
            .navigationBarTitle("SwiftUI Example")
            .sheet(isPresented: $showContactView) {
                ContactView()
            }
        }
    }
}

struct ContactView: UIViewControllerRepresentable {
    func makeUIViewController(context: Context) -> CNContactViewController {
        let contactViewController = CNContactViewController(forUnknownContact: nil)
        contactViewController.allowsEditing = true
        contactViewController.allowsActions = true
        return contactViewController
    }
    
    func updateUIViewController(_ uiViewController: CNContactViewController, context: Context) {
        // Update the view controller if needed
    }
}

struct ContentView_Previews: PreviewProvider {
    static var previews: some View {
        ContentView()
    }
}