diff --git a/app/src/main/java/com/xypower/mpapp/MicroPhotoService.java b/app/src/main/java/com/xypower/mpapp/MicroPhotoService.java
index 1c568c5f..cc5cd41a 100644
--- a/app/src/main/java/com/xypower/mpapp/MicroPhotoService.java
+++ b/app/src/main/java/com/xypower/mpapp/MicroPhotoService.java
@@ -437,7 +437,7 @@ public class MicroPhotoService extends Service {
                 nextPhotoTime *= 1000;
                 if (nextPhotoTime > ts) {
                     mHeartbeatDuration = (int) ((nextPhotoTime - ts) % duration) + 999;
-                    registerHeartbeatTimer();
+                    registerHeartbeatTimer(false);
                     mHeartbeatDuration = duration;
                 } else {
                     mHeartbeatDuration = duration;
@@ -448,13 +448,20 @@ public class MicroPhotoService extends Service {
             mHeartbeatDuration = duration;
         }
     }
+
     private void registerHeartbeatTimer() {
+        registerHeartbeatTimer(true);
+    }
+
+    private void registerHeartbeatTimer(boolean normalDuration) {
 
         // 创建延迟意图
         long triggerTime = System.currentTimeMillis() + mHeartbeatDuration;
         Intent alarmIntent = new Intent();
         alarmIntent.setAction(ACTION_HEARTBEAT);
-        alarmIntent.putExtra("HeartbeatDuration", mHeartbeatDuration);
+        if (normalDuration) {
+            alarmIntent.putExtra("HeartbeatDuration", mHeartbeatDuration);
+        }
         alarmIntent.putExtra("HeartbeatTime", triggerTime);
         PendingIntent pendingIntent = PendingIntent.getBroadcast(this, 0, alarmIntent, PendingIntent.FLAG_UPDATE_CURRENT);