diff --git a/mpmaster/src/main/java/com/xypower/mpmaster/MpMasterService.java b/mpmaster/src/main/java/com/xypower/mpmaster/MpMasterService.java
index ef029acc..75768763 100644
--- a/mpmaster/src/main/java/com/xypower/mpmaster/MpMasterService.java
+++ b/mpmaster/src/main/java/com/xypower/mpmaster/MpMasterService.java
@@ -433,7 +433,7 @@ public class MpMasterService extends Service {
 
             if (mPreviousMpHbTime <= ts && ts - mPreviousMpHbTime > mMpHeartbeatDuration * 2) {
                 // MpApp is not running
-                if (ts - mTimeToStartMpApp >= 30000) {
+                if (ts - mTimeToStartMpApp >= 1800000) { // 30 minutes 30 * 60 * 1000
                     MicroPhotoContext.restartMpApp(context, "MpMST Keep Alive Detection");
                     mTimeToStartMpApp = ts;
                     logger.warning("Restart MpAPP as it is NOT Running Prev MPAPP HB=" +
@@ -455,7 +455,7 @@ public class MpMasterService extends Service {
                     ((ts - modifiedTimeOfPhoto) > mTimeOfMpAppAlive * 4) ||
                     ((ts - modifiedTimeOfUpload) > mTimeOfMpAppAlive * 4)) {
 
-                if (ts - mTimeToStartMpApp >= 30000) {
+                if (ts - mTimeToStartMpApp >= 1800000) { // 30 minutes 30 * 60 * 1000
                     String msg = "Restart MpAPP as it is NOT Running hb=" + Long.toString(ts - modifiedTimeOfHb) +
                             " taking=" + Long.toString(ts - modifiedTimeOfPhoto) + " sending=" + Long.toString(ts - modifiedTimeOfUpload) +
                             " Will restart MpApp in " + Long.toString(mDelayedRestartMpTime / 1000) + " seconds";