diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 71d76d6..2c3fb7b 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -31,6 +31,7 @@
     <uses-permission android:name="android.permission.USER_ACTIVITY" />
     <uses-permission android:name="android.permission.VIBRATE" />
     <uses-permission android:name="android.permission.WAKE_LOCK" />
+    <uses-permission android:name="android.permission.SUBSTITUTE_NOTIFICATION_APP_NAME" />
 
     <application android:icon="@drawable/ic_launcher_sim_toolkit"
         android:label="@string/app_name"
diff --git a/src/com/android/stk/StkAppService.java b/src/com/android/stk/StkAppService.java
index 23a24e3..526fb74 100644
--- a/src/com/android/stk/StkAppService.java
+++ b/src/com/android/stk/StkAppService.java
@@ -1723,8 +1723,12 @@
         } else {
             builder.setContentTitle(menu.title);
         }*/
-        // add by T2M.zhangrenjie for FP4-2257 2021-08-20 end
+        Bundle extras = new Bundle();
+        extras.putString(Notification.EXTRA_SUBSTITUTE_APP_NAME, " ");
+        builder.addExtras(extras);
         builder.setContentTitle("");
+        // add by T2M.zhangrenjie for FP4-2257 2021-08-20 end
+
         builder.setSmallIcon(R.drawable.stat_notify_sim_toolkit);
         builder.setOngoing(true);
         builder.setOnlyAlertOnce(true);
@@ -2203,6 +2207,9 @@
             } else {
                 notificationBuilder.setContentTitle("");
             }*/
+            Bundle extras = new Bundle();
+            extras.putString(Notification.EXTRA_SUBSTITUTE_APP_NAME, " ");
+            notificationBuilder.addExtras(extras);
             notificationBuilder.setContentTitle("");
             // add by T2M.zhangrenjie for FP4-2257 2021-08-20 end
             notificationBuilder