CoreNFC cant see my mifare tag

when i use shortcuts -> automatization-> creat automatization -> NFC. My iphone can see my tag. But when I create my own project with coreNFC to detect nfc tag, my iphone cant see my tag, but it see other tag. Tag mifare

import UIKit

import CoreNFC



class ViewController: UIViewController, NFCTagReaderSessionDelegate {

    @IBOutlet weak var UIDLabel: UILabel!

    var session: NFCTagReaderSession?

    override func viewDidLoad() {

        super.viewDidLoad()

        // Do any additional setup after loading the view.

    }



    @IBAction func CaptureBtn(_ sender: Any) {

        self.session = NFCTagReaderSession(pollingOption: .iso14443, delegate: self)

        self.session?.alertMessage = "Hold Your Phone Near the NFC Tag"

        self.session?.begin()

        

    }

    func tagReaderSessionDidBecomeActive(_ session: NFCTagReaderSession) {

        print("Session Begun!")

    }

    func tagReaderSession(_ session: NFCTagReaderSession, didInvalidateWithError error: Error) {

        print("Error with Launching Session")

    }

 

    func tagReaderSession(_ session: NFCTagReaderSession, didDetect tags: [NFCTag]) {

        for nfcTag in tags {

            print(nfcTag)

        }

    }

}

CoreNFC cant see my mifare tag
 
 
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