diff --git a/README.md b/README.md
index cdffdaa..c1707cd 100644
--- a/README.md
+++ b/README.md
@@ -22,7 +22,7 @@ The original code is from [stackoverflow](http://stackoverflow.com/a/30334668/71
 ```
 	dependencies {
 	        compile 'org.greenrobot:greendao:3.2.0'
-	        compile 'com.github.yuweiguocn:GreenDaoUpgradeHelper:v1.3.0'
+	        compile 'com.github.yuweiguocn:GreenDaoUpgradeHelper:v1.4.0'
 	}
 ```
 or (greendao 3.0 below)
@@ -47,7 +47,7 @@ public class MySQLiteOpenHelper extends DaoMaster.OpenHelper {
         super(context, name, factory);
     }
     @Override
-    public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
+    public void onUpgrade(Database db, int oldVersion, int newVersion) {
         MigrationHelper.migrate(db,TestDataDao.class,TestData2Dao.class,TestData3Dao.class);
     }
 }
diff --git a/README_CH.md b/README_CH.md
index bc86ada..65fa7be 100644
--- a/README_CH.md
+++ b/README_CH.md
@@ -23,7 +23,7 @@ GreenDaoUpgradeHelper是一个greenDao的数据库升级帮助类。使用它可
 ```
 	dependencies {
 	        compile 'org.greenrobot:greendao:3.2.0'
-	        compile 'com.github.yuweiguocn:GreenDaoUpgradeHelper:v1.3.0'
+	        compile 'com.github.yuweiguocn:GreenDaoUpgradeHelper:v1.4.0'
 	}
 ```
 如果你使用的greendao是3.0以前的版本，请使用下面的依赖：
@@ -45,7 +45,7 @@ public class MySQLiteOpenHelper extends DaoMaster.OpenHelper {
         super(context, name, factory);
     }
     @Override
-    public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
+    public void onUpgrade(Database db, int oldVersion, int newVersion) {
         MigrationHelper.migrate(db,TestDataDao.class,TestData2Dao.class,TestData3Dao.class);
     }
 }
diff --git a/app/build.gradle b/app/build.gradle
index eb6486f..68566c9 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -32,4 +32,5 @@ dependencies {
 
 //    compile 'com.github.yuweiguocn:GreenDaoUpgradeHelper:v1.1.0'
     compile project(':library')
+    compile 'net.zetetic:android-database-sqlcipher:3.5.7@aar'
 }
diff --git a/app/src/main/java/com/github/yuweiguocn/demo/greendao/MainActivity.java b/app/src/main/java/com/github/yuweiguocn/demo/greendao/MainActivity.java
index 895e019..bb77d0d 100644
--- a/app/src/main/java/com/github/yuweiguocn/demo/greendao/MainActivity.java
+++ b/app/src/main/java/com/github/yuweiguocn/demo/greendao/MainActivity.java
@@ -3,6 +3,7 @@
 import android.content.Intent;
 import android.os.Bundle;
 import android.support.v7.widget.Toolbar;
+import android.util.Log;
 import android.view.Menu;
 import android.view.MenuInflater;
 import android.view.MenuItem;
@@ -11,8 +12,12 @@
 import com.github.yuweiguocn.demo.greendao.base.BaseActivity;
 import com.github.yuweiguocn.demo.greendao.db.DaoMaster;
 import com.github.yuweiguocn.demo.greendao.db.MySQLiteOpenHelper;
+import com.github.yuweiguocn.demo.greendao.db.TestData2;
+import com.github.yuweiguocn.demo.greendao.db.TestData2Dao;
 import com.github.yuweiguocn.library.greendao.MigrationHelper;
 
+import java.util.Date;
+
 public class MainActivity extends BaseActivity {
 
     private DaoMaster daoMaster;
@@ -27,8 +32,12 @@ protected void onCreate(Bundle savedInstanceState) {
 
         MySQLiteOpenHelper helper = new MySQLiteOpenHelper(this, "test.db",
                 null);
-        daoMaster = new DaoMaster(helper.getWritableDatabase());
+        daoMaster = new DaoMaster(helper.getEncryptedWritableDb("12342"));
+        TestData2 testData2 = new TestData2(0L, "12342", 123L, new Date(), 1234, true);
+        TestData2Dao testData2Dao = daoMaster.newSession().getTestData2Dao();
+        testData2Dao.insert(testData2);
 
+        Log.d("MigrationHelper", "TestData2 " + testData2Dao.loadAll().toString());
     }
 
 
diff --git a/app/src/main/java/com/github/yuweiguocn/demo/greendao/db/MySQLiteOpenHelper.java b/app/src/main/java/com/github/yuweiguocn/demo/greendao/db/MySQLiteOpenHelper.java
index a2f890f..b8c6550 100644
--- a/app/src/main/java/com/github/yuweiguocn/demo/greendao/db/MySQLiteOpenHelper.java
+++ b/app/src/main/java/com/github/yuweiguocn/demo/greendao/db/MySQLiteOpenHelper.java
@@ -5,6 +5,8 @@
 
 import com.github.yuweiguocn.library.greendao.MigrationHelper;
 
+import org.greenrobot.greendao.database.Database;
+
 /**
  * Created by Growth on 2016/3/3.
  */
@@ -12,8 +14,9 @@ public class MySQLiteOpenHelper extends DaoMaster.OpenHelper {
     public MySQLiteOpenHelper(Context context, String name, SQLiteDatabase.CursorFactory factory) {
         super(context, name, factory);
     }
+
     @Override
-    public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
+    public void onUpgrade(Database db, int oldVersion, int newVersion) {
         MigrationHelper.migrate(db,TestDataDao.class,TestData2Dao.class,TestData3Dao.class);
     }
 }
diff --git a/library/src/main/java/com/github/yuweiguocn/library/greendao/MigrationHelper.java b/library/src/main/java/com/github/yuweiguocn/library/greendao/MigrationHelper.java
index 6ee4983..49088aa 100644
--- a/library/src/main/java/com/github/yuweiguocn/library/greendao/MigrationHelper.java
+++ b/library/src/main/java/com/github/yuweiguocn/library/greendao/MigrationHelper.java
@@ -20,7 +20,7 @@
 
 /**
  * 
- * please call {@link #migrate(SQLiteDatabase, Class[])}
+ * please call {@link #migrate(SQLiteDatabase, Class[])} or {@link #migrate(Database, Class[])}
  * 
  */
 public final class MigrationHelper {
@@ -31,9 +31,12 @@ public final class MigrationHelper {
     private static final String SQLITE_TEMP_MASTER = "sqlite_temp_master";
 
     public static void migrate(SQLiteDatabase db, Class<? extends AbstractDao<?, ?>>... daoClasses) {
+        printLog("【The Old Database Version】" + db.getVersion());
         Database database = new StandardDatabase(db);
+        migrate(database, daoClasses);
+    }
 
-        printLog("【The Old Database Version】" + db.getVersion());
+    public static void migrate(Database database, Class<? extends AbstractDao<?, ?>>... daoClasses) {
         printLog("【Generate temp table】start");
         generateTempTables(database, daoClasses);
         printLog("【Generate temp table】complete");