diff --git a/app/src/main/java/com/xypower/mpapp/MicroPhotoService.java b/app/src/main/java/com/xypower/mpapp/MicroPhotoService.java
index be6cc8d0..0e222dd6 100644
--- a/app/src/main/java/com/xypower/mpapp/MicroPhotoService.java
+++ b/app/src/main/java/com/xypower/mpapp/MicroPhotoService.java
@@ -105,7 +105,7 @@ public class MicroPhotoService extends Service {
     // private static final String EXTRA_PARAM_TIMEOUT = "Timeout";
     // private static final String EXTRA_PARAM_TIMES = "Times";
     // private static final String EXTRA_PARAM_ELASPED_TIMES = "ElapsedTimes";
-    private static final String FOREGROUND_CHANNEL_ID = "foreground_channel_id";
+    private static final String FOREGROUND_CHANNEL_ID = "fg_mpapp";
     public static class STATE_SERVICE {
         public static final int CONNECTED = 10;
         public static final int NOT_CONNECTED = 0;
diff --git a/mpmaster/src/main/java/com/xypower/mpmaster/MpMasterService.java b/mpmaster/src/main/java/com/xypower/mpmaster/MpMasterService.java
index b5c35dd5..50ecb0e3 100644
--- a/mpmaster/src/main/java/com/xypower/mpmaster/MpMasterService.java
+++ b/mpmaster/src/main/java/com/xypower/mpmaster/MpMasterService.java
@@ -76,7 +76,7 @@ public class MpMasterService extends Service {
     public static final String ACTION_MP_RESTART = "com.xypower.mpapp.ACT_START";
     public static final String ACTION_IMP_PUBKRY = "com.xypower.mpapp.ACT_IMP_PUBKEY";
 
-    private static final String FOREGROUND_CHANNEL_ID = "foreground_channel_id";
+    private static final String FOREGROUND_CHANNEL_ID = "fg_mpmst";
     private SmsSendReceiver mSmsSnedReceiver;
 
     private int mPrevDateForLogs = 0;