diff --git a/mpmaster/src/main/java/com/xypower/mpmaster/LogFormatter.java b/common/src/main/java/com/xypower/common/LogFormatter.java
similarity index 94%
rename from mpmaster/src/main/java/com/xypower/mpmaster/LogFormatter.java
rename to common/src/main/java/com/xypower/common/LogFormatter.java
index ca7a20de..407654cc 100644
--- a/mpmaster/src/main/java/com/xypower/mpmaster/LogFormatter.java
+++ b/common/src/main/java/com/xypower/common/LogFormatter.java
@@ -1,7 +1,5 @@
-package com.xypower.mpmaster;
+package com.xypower.common;
 
-import java.io.PrintWriter;
-import java.io.StringWriter;
 import java.text.SimpleDateFormat;
 import java.util.Date;
 import java.util.logging.ConsoleHandler;
diff --git a/mpmaster/src/main/java/com/xypower/mpmaster/LogcatHandler.java b/common/src/main/java/com/xypower/common/LogcatHandler.java
similarity index 98%
rename from mpmaster/src/main/java/com/xypower/mpmaster/LogcatHandler.java
rename to common/src/main/java/com/xypower/common/LogcatHandler.java
index abf8c103..787024ed 100644
--- a/mpmaster/src/main/java/com/xypower/mpmaster/LogcatHandler.java
+++ b/common/src/main/java/com/xypower/common/LogcatHandler.java
@@ -1,4 +1,4 @@
-package com.xypower.mpmaster;
+package com.xypower.common;
 
 import android.util.Log;
 import java.util.logging.Handler;
diff --git a/mpmaster/src/main/java/com/xypower/mpmaster/RotatingHandler.java b/common/src/main/java/com/xypower/common/RotatingHandler.java
similarity index 99%
rename from mpmaster/src/main/java/com/xypower/mpmaster/RotatingHandler.java
rename to common/src/main/java/com/xypower/common/RotatingHandler.java
index 97d67942..bce98d27 100644
--- a/mpmaster/src/main/java/com/xypower/mpmaster/RotatingHandler.java
+++ b/common/src/main/java/com/xypower/common/RotatingHandler.java
@@ -1,4 +1,4 @@
-package com.xypower.mpmaster;
+package com.xypower.common;
 
 import java.io.File;
 import java.io.FileNotFoundException;
diff --git a/mpmaster/src/main/java/com/xypower/mpmaster/AppMaster.java b/mpmaster/src/main/java/com/xypower/mpmaster/AppMaster.java
index 923ab109..5eb9b5b5 100644
--- a/mpmaster/src/main/java/com/xypower/mpmaster/AppMaster.java
+++ b/mpmaster/src/main/java/com/xypower/mpmaster/AppMaster.java
@@ -691,6 +691,7 @@ public class AppMaster {
                 context.startActivity(intent);
             }
         } catch (Exception e) {
+            mService.logger.info("Exception on starting Frp Server " + e.getMessage());
             e.printStackTrace();
         }
     }
diff --git a/mpmaster/src/main/java/com/xypower/mpmaster/MpMasterService.java b/mpmaster/src/main/java/com/xypower/mpmaster/MpMasterService.java
index 3b7b75c3..b5c35dd5 100644
--- a/mpmaster/src/main/java/com/xypower/mpmaster/MpMasterService.java
+++ b/mpmaster/src/main/java/com/xypower/mpmaster/MpMasterService.java
@@ -12,15 +12,11 @@ import android.content.Intent;
 import android.content.IntentFilter;
 import android.content.pm.PackageInfo;
 import android.content.pm.PackageManager;
-import android.net.ConnectivityManager;
-import android.os.BatteryManager;
 import android.os.Build;
 import android.os.Environment;
 import android.os.Handler;
 import android.os.IBinder;
-import android.os.Message;
 import android.os.PowerManager;
-import android.telephony.SignalStrength;
 import android.telephony.SubscriptionInfo;
 import android.telephony.SubscriptionManager;
 import android.telephony.TelephonyManager;
@@ -34,7 +30,10 @@ import androidx.core.app.NotificationCompat;
 import com.dev.devapi.api.SysApi;
 import com.xypower.common.FileDownloader;
 import com.xypower.common.JSONUtils;
+import com.xypower.common.LogFormatter;
+import com.xypower.common.LogcatHandler;
 import com.xypower.common.MicroPhotoContext;
+import com.xypower.common.RotatingHandler;
 import com.xypower.mpmaster.sms.SimUtil;
 import com.xypower.mpmaster.sms.SmsSendReceiver;
 
@@ -43,13 +42,9 @@ import org.json.JSONObject;
 import java.io.File;
 import java.lang.reflect.Method;
 import java.text.SimpleDateFormat;
-import java.time.LocalDate;
-import java.time.LocalDateTime;
 import java.util.Arrays;
-import java.util.Collections;
 import java.util.Date;
 import java.util.List;
-import java.util.logging.FileHandler;
 import java.util.logging.Level;
 import java.util.logging.Logger;