diff --git a/src/main/res/xml/pref_all.xml b/src/main/res/xml/pref_all.xml
index d673f44e..88e4855b 100644
--- a/src/main/res/xml/pref_all.xml
+++ b/src/main/res/xml/pref_all.xml
@@ -2,34 +2,34 @@
 <PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
                   xmlns:app="http://schemas.android.com/apk/res/com.github.shadowsocks">
 
-    <tk.mygod.preference.PreferenceCategory
+    <be.mygod.preference.PreferenceCategory
             android:title="@string/proxy_cat">
 
-        <tk.mygod.preference.EditTextPreference
+        <be.mygod.preference.EditTextPreference
                 android:key="profileName"
                 android:persistent="false"
                 android:summary="%s"
                 android:title="@string/profile_name"/>
-        <tk.mygod.preference.EditTextPreference
+        <be.mygod.preference.EditTextPreference
                 android:key="proxy"
                 android:persistent="false"
                 android:summary="%s"
                 android:title="@string/proxy"/>
-        <tk.mygod.preference.NumberPickerPreference
+        <be.mygod.preference.NumberPickerPreference
                 app:min="1"
                 app:max="65535"
                 android:key="remotePortNum"
                 android:persistent="false"
                 android:summary="%d"
                 android:title="@string/remote_port"/>
-        <tk.mygod.preference.NumberPickerPreference
+        <be.mygod.preference.NumberPickerPreference
                 app:min="1025"
                 app:max="65535"
                 android:key="localPortNum"
                 android:persistent="false"
                 android:summary="%d"
                 android:title="@string/port"/>
-        <tk.mygod.preference.EditTextPreference
+        <be.mygod.preference.EditTextPreference
                 android:inputType="textPassword"
                 android:key="sitekey"
                 android:persistent="false"
@@ -48,9 +48,9 @@
                 android:summary="@string/onetime_auth_summary"
                 android:title="@string/onetime_auth"/>
 
-    </tk.mygod.preference.PreferenceCategory>
+    </be.mygod.preference.PreferenceCategory>
 
-    <tk.mygod.preference.PreferenceCategory
+    <be.mygod.preference.PreferenceCategory
             android:title="@string/feature_cat">
 
         <android.support.v7.preference.DropDownPreference
@@ -76,9 +76,9 @@
                 android:summary="@string/udp_dns_summary"
                 android:title="@string/udp_dns"/>
 
-    </tk.mygod.preference.PreferenceCategory>
+    </be.mygod.preference.PreferenceCategory>
 
-    <tk.mygod.preference.PreferenceCategory
+    <be.mygod.preference.PreferenceCategory
             android:title="@string/kcp">
 
         <SwitchPreference
@@ -87,7 +87,7 @@
                 android:summary="@string/kcp_summary"
                 android:title="@string/kcp"/>
 
-        <tk.mygod.preference.NumberPickerPreference
+        <be.mygod.preference.NumberPickerPreference
                 app:min="1"
                 app:max="65535"
                 android:key="kcpPort"
@@ -95,15 +95,15 @@
                 android:summary="@string/kcp_port_summary"
                 android:title="@string/kcp_port"/>
 
-        <tk.mygod.preference.EditTextPreference
+        <be.mygod.preference.EditTextPreference
                 android:key="kcpcli"
                 android:persistent="false"
                 android:summary="%s"
                 android:title="@string/kcpcli"/>
 
-    </tk.mygod.preference.PreferenceCategory>
+    </be.mygod.preference.PreferenceCategory>
 
-    <tk.mygod.preference.PreferenceCategory android:title="@string/misc_cat">
+    <be.mygod.preference.PreferenceCategory android:title="@string/misc_cat">
 
         <SwitchPreference
                 android:key="isAutoConnect"
@@ -126,7 +126,7 @@
                     android:summary="@string/flush_dnscache_summary"/>
         <Preference android:key="about" android:title="@string/about"/>
 
-    </tk.mygod.preference.PreferenceCategory>
+    </be.mygod.preference.PreferenceCategory>
 
 
 </PreferenceScreen>
diff --git a/src/main/scala/tk/mygod/preference/EditTextPreference.scala b/src/main/scala/be/mygod/preference/EditTextPreference.scala
similarity index 97%
rename from src/main/scala/tk/mygod/preference/EditTextPreference.scala
rename to src/main/scala/be/mygod/preference/EditTextPreference.scala
index e77016c2..1b71f448 100644
--- a/src/main/scala/tk/mygod/preference/EditTextPreference.scala
+++ b/src/main/scala/be/mygod/preference/EditTextPreference.scala
@@ -1,4 +1,4 @@
-package tk.mygod.preference
+package be.mygod.preference
 
 import android.content.Context
 import android.support.v7.preference.{EditTextPreference => Parent}
diff --git a/src/main/scala/tk/mygod/preference/EditTextPreferenceDialogFragment.scala b/src/main/scala/be/mygod/preference/EditTextPreferenceDialogFragment.scala
similarity index 97%
rename from src/main/scala/tk/mygod/preference/EditTextPreferenceDialogFragment.scala
rename to src/main/scala/be/mygod/preference/EditTextPreferenceDialogFragment.scala
index 521ee1a9..52e5197c 100644
--- a/src/main/scala/tk/mygod/preference/EditTextPreferenceDialogFragment.scala
+++ b/src/main/scala/be/mygod/preference/EditTextPreferenceDialogFragment.scala
@@ -1,4 +1,4 @@
-package tk.mygod.preference
+package be.mygod.preference
 
 import android.content.Context
 import android.support.v14.preference.PreferenceDialogFragment
diff --git a/src/main/scala/tk/mygod/preference/NumberPickerPreference.scala b/src/main/scala/be/mygod/preference/NumberPickerPreference.scala
similarity index 98%
rename from src/main/scala/tk/mygod/preference/NumberPickerPreference.scala
rename to src/main/scala/be/mygod/preference/NumberPickerPreference.scala
index 4267e962..dfc61a23 100644
--- a/src/main/scala/tk/mygod/preference/NumberPickerPreference.scala
+++ b/src/main/scala/be/mygod/preference/NumberPickerPreference.scala
@@ -1,4 +1,4 @@
-package tk.mygod.preference
+package be.mygod.preference
 
 import android.content.Context
 import android.content.res.TypedArray
diff --git a/src/main/scala/tk/mygod/preference/NumberPickerPreferenceDialogFragment.scala b/src/main/scala/be/mygod/preference/NumberPickerPreferenceDialogFragment.scala
similarity index 97%
rename from src/main/scala/tk/mygod/preference/NumberPickerPreferenceDialogFragment.scala
rename to src/main/scala/be/mygod/preference/NumberPickerPreferenceDialogFragment.scala
index e77cc883..dae52e5a 100644
--- a/src/main/scala/tk/mygod/preference/NumberPickerPreferenceDialogFragment.scala
+++ b/src/main/scala/be/mygod/preference/NumberPickerPreferenceDialogFragment.scala
@@ -1,4 +1,4 @@
-package tk.mygod.preference
+package be.mygod.preference
 
 import android.content.Context
 import android.support.v14.preference.PreferenceDialogFragment
diff --git a/src/main/scala/tk/mygod/preference/PreferenceCategory.scala b/src/main/scala/be/mygod/preference/PreferenceCategory.scala
similarity index 96%
rename from src/main/scala/tk/mygod/preference/PreferenceCategory.scala
rename to src/main/scala/be/mygod/preference/PreferenceCategory.scala
index 55e64e61..681ad6d0 100644
--- a/src/main/scala/tk/mygod/preference/PreferenceCategory.scala
+++ b/src/main/scala/be/mygod/preference/PreferenceCategory.scala
@@ -1,4 +1,4 @@
-package tk.mygod.preference
+package be.mygod.preference
 
 import android.content.Context
 import android.support.v7.preference.{PreferenceViewHolder, PreferenceCategory => Base}
diff --git a/src/main/scala/tk/mygod/preference/PreferenceFragment.scala b/src/main/scala/be/mygod/preference/PreferenceFragment.scala
similarity index 97%
rename from src/main/scala/tk/mygod/preference/PreferenceFragment.scala
rename to src/main/scala/be/mygod/preference/PreferenceFragment.scala
index ae0f5e5f..41fb5b24 100644
--- a/src/main/scala/tk/mygod/preference/PreferenceFragment.scala
+++ b/src/main/scala/be/mygod/preference/PreferenceFragment.scala
@@ -1,4 +1,4 @@
-package tk.mygod.preference
+package be.mygod.preference
 
 import android.app.DialogFragment
 import android.os.Bundle
diff --git a/src/main/scala/tk/mygod/preference/PreferenceGroupAdapter.scala b/src/main/scala/be/mygod/preference/PreferenceGroupAdapter.scala
similarity index 99%
rename from src/main/scala/tk/mygod/preference/PreferenceGroupAdapter.scala
rename to src/main/scala/be/mygod/preference/PreferenceGroupAdapter.scala
index e193a444..0eb4a837 100644
--- a/src/main/scala/tk/mygod/preference/PreferenceGroupAdapter.scala
+++ b/src/main/scala/be/mygod/preference/PreferenceGroupAdapter.scala
@@ -1,4 +1,4 @@
-package tk.mygod.preference
+package be.mygod.preference
 
 import java.lang.reflect.Field
 import java.util.List
diff --git a/src/main/scala/tk/mygod/preference/SummaryPreference.scala b/src/main/scala/be/mygod/preference/SummaryPreference.scala
similarity index 96%
rename from src/main/scala/tk/mygod/preference/SummaryPreference.scala
rename to src/main/scala/be/mygod/preference/SummaryPreference.scala
index bb01cbc1..7edd6c0e 100755
--- a/src/main/scala/tk/mygod/preference/SummaryPreference.scala
+++ b/src/main/scala/be/mygod/preference/SummaryPreference.scala
@@ -1,4 +1,4 @@
-package tk.mygod.preference
+package be.mygod.preference
 
 import android.support.v7.preference.Preference
 
diff --git a/src/main/scala/com/github/shadowsocks/ShadowsocksSettings.scala b/src/main/scala/com/github/shadowsocks/ShadowsocksSettings.scala
index 51cb0d38..f1304f17 100644
--- a/src/main/scala/com/github/shadowsocks/ShadowsocksSettings.scala
+++ b/src/main/scala/com/github/shadowsocks/ShadowsocksSettings.scala
@@ -15,7 +15,7 @@ import com.github.shadowsocks.ShadowsocksApplication.app
 import com.github.shadowsocks.database.Profile
 import com.github.shadowsocks.preferences.KcpCliPreferenceDialogFragment
 import com.github.shadowsocks.utils.{Key, TcpFastOpen, Utils}
-import tk.mygod.preference._
+import be.mygod.preference._
 
 object ShadowsocksSettings {
   // Constants
diff --git a/src/main/scala/com/github/shadowsocks/preferences/KcpCliPreferenceDialogFragment.scala b/src/main/scala/com/github/shadowsocks/preferences/KcpCliPreferenceDialogFragment.scala
index 7f5bf600..7022d0ef 100644
--- a/src/main/scala/com/github/shadowsocks/preferences/KcpCliPreferenceDialogFragment.scala
+++ b/src/main/scala/com/github/shadowsocks/preferences/KcpCliPreferenceDialogFragment.scala
@@ -3,7 +3,7 @@ package com.github.shadowsocks.preferences
 import android.app.AlertDialog
 import android.content.DialogInterface
 import eu.chainfire.libsuperuser.Shell
-import tk.mygod.preference.EditTextPreferenceDialogFragment
+import be.mygod.preference.EditTextPreferenceDialogFragment
 
 import scala.collection.JavaConverters._