如何更新CNContact？获取CNErrorDomain Code=2

import Contacts

func updateContact() {
    let store = CNContactStore()
    
    store.requestAccess(for: .contacts) { (granted, error) in
        if granted {
            let keysToFetch = [CNContactGivenNameKey, CNContactFamilyNameKey, CNContactPhoneNumbersKey]
            let fetchRequest = CNContactFetchRequest(keysToFetch: keysToFetch as [CNKeyDescriptor])
            
            do {
                try store.enumerateContacts(with: fetchRequest, usingBlock: { (contact, stop) in
                    if contact.givenName == "John" && contact.familyName == "Doe" {
                        let mutableContact = contact.mutableCopy() as! CNMutableContact
                        mutableContact.phoneNumbers = [CNLabeledValue(label: CNLabelPhoneNumberMain, value: CNPhoneNumber(stringValue: "1234567890"))]
                        
                        let saveRequest = CNSaveRequest()
                        saveRequest.update(mutableContact)
                        
                        do {
                            try store.execute(saveRequest)
                            print("Contact updated successfully")
                        } catch {
                            print("Failed to update contact: \(error.localizedDescription)")
                        }
                        
                        stop.pointee = true
                    }
                })
            } catch {
                print("Failed to fetch contacts: \(error.localizedDescription)")
            }
        } else {
            print("Access to contacts denied")
        }
    }
}