diff --git a/app/src/main/java/io/legado/app/ui/qrcode/QrCodeActivity.kt b/app/src/main/java/io/legado/app/ui/qrcode/QrCodeActivity.kt
index c59783d53..72a2f980b 100644
--- a/app/src/main/java/io/legado/app/ui/qrcode/QrCodeActivity.kt
+++ b/app/src/main/java/io/legado/app/ui/qrcode/QrCodeActivity.kt
@@ -24,8 +24,7 @@ class QrCodeActivity : BaseActivity<ActivityQrcodeCaptureBinding>(), OnScanResul
 
     override fun onActivityCreated(savedInstanceState: Bundle?) {
         val fTag = "qrCodeFragment"
-        var qrCodeFragment = supportFragmentManager.findFragmentByTag(fTag)
-        if (qrCodeFragment == null) qrCodeFragment = QrCodeFragment()
+        val qrCodeFragment = QrCodeFragment()
         supportFragmentManager.beginTransaction()
             .replace(R.id.fl_content, qrCodeFragment, fTag)
             .commit()