diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index b86dce6..ba92841 100755
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -25,7 +25,8 @@
             android:name=".view.MainActivity"
             android:screenOrientation="sensorPortrait"
             android:windowSoftInputMode="stateHidden"
-            android:label="@string/app_name" />
+            android:label="@string/app_name"
+            android:exported="true"/>
         <activity
             android:name=".view.SplashActivity"
             android:screenOrientation="portrait"
diff --git a/app/src/main/java/com/romellfudi/fudinfc/app/view/SplashActivity.kt b/app/src/main/java/com/romellfudi/fudinfc/app/view/SplashActivity.kt
index 6b410d3..4c97d55 100644
--- a/app/src/main/java/com/romellfudi/fudinfc/app/view/SplashActivity.kt
+++ b/app/src/main/java/com/romellfudi/fudinfc/app/view/SplashActivity.kt
@@ -22,7 +22,7 @@ class SplashActivity : AppCompatActivity() {
         setContentView(R.layout.activity_splash)
 
         timer.schedule(3000) {
-            var intent = Intent(this@SplashActivity, MainActivity::class.java)
+            val intent = Intent(this@SplashActivity, MainActivity::class.java)
             startActivity(intent)
             finish()
         }
diff --git a/fudi-nfc/src/main/java/com/romellfudi/fudinfc/gear/NfcAct.kt b/fudi-nfc/src/main/java/com/romellfudi/fudinfc/gear/NfcAct.kt
index 300d341..2b3cf79 100755
--- a/fudi-nfc/src/main/java/com/romellfudi/fudinfc/gear/NfcAct.kt
+++ b/fudi-nfc/src/main/java/com/romellfudi/fudinfc/gear/NfcAct.kt
@@ -92,7 +92,7 @@ abstract class NfcAct : AppCompatActivity(), CreateNdefMessageCallback {
             this,
             0,
             Intent(this, javaClass).addFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP),
-            0
+            PendingIntent.FLAG_MUTABLE
         )
         mIntentFilters = arrayOf(IntentFilter(NfcAdapter.ACTION_NDEF_DISCOVERED))
         mTechLists = arrayOf(