[firebase_storage] file upload error

[JAICHANGPARK]

Hello.
Currently using storage. When I used it yesterday, the files uploaded without any problem, but today suddenly the file does not upload.
May I know what is the reason?

catch error

D/NetworkSecurityConfig( 8132): Using Network Security Config from resource network_security_config debugBuild: true
I/DpmTcmClient( 8132): RegisterTcmMonitor from: com.android.okhttp.TcmIdleTimerMonitor
I/DpmTcmClient( 8132): RegisterTcmMonitor from: com.android.okhttp.TcmIdleTimerMonitor
W/NetworkRequest( 8132): error sending network request POST https://firebasestorage.googleapis.com/v0/b/wrsp-pilot.appspot.com/o


W/ExponenentialBackoff( 8132): network unavailable, sleeping.
W/NetworkRequest( 8132): error sending network request POST https://firebasestorage.googleapis.com/v0/b/wrsp-pilot.appspot.com/o
W/NetworkRequest( 8132): java.net.ConnectException: Failed to connect to firebasestorage.googleapis.com/127.0.0.1:443

network config.xml

<?xml version="1.0" encoding="utf-8"?>
<network-security-config>
    <!--Set application-wide security config using base-config tag.-->
    <base-config cleartextTrafficPermitted="true">

    </base-config>
</network-security-config>

Main activity

    override fun onCreate(savedInstanceState: Bundle?) {

        super.onCreate(savedInstanceState)
        FirebaseApp.initializeApp(/*context=*/this)
        val firebaseAppCheck = FirebaseAppCheck.getInstance()
        firebaseAppCheck.installAppCheckProviderFactory(
                DebugAppCheckProviderFactory.getInstance()
        )

Rule

rules_version = '2';
service firebase.storage {
  match /b/{bucket}/o {
    match /{allPaths=**} {
      allow read, write: if true;
    }
  }
}

[JAICHANGPARK]