diff --git a/app/src/main/java/com/hippo/ehviewer/EhDB.java b/app/src/main/java/com/hippo/ehviewer/EhDB.java
index f9ea510d2..02d04672d 100644
--- a/app/src/main/java/com/hippo/ehviewer/EhDB.java
+++ b/app/src/main/java/com/hippo/ehviewer/EhDB.java
@@ -16,10 +16,14 @@
 
 package com.hippo.ehviewer;
 
+import android.content.ContentResolver;
 import android.content.Context;
 import android.database.Cursor;
 import android.database.sqlite.SQLiteDatabase;
 import android.database.sqlite.SQLiteOpenHelper;
+import android.net.Uri;
+import android.os.Build;
+import android.provider.DocumentsContract;
 import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
 import android.util.Log;
@@ -51,6 +55,7 @@
 
 import java.io.File;
 import java.io.FileInputStream;
+import java.io.FileNotFoundException;
 import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
@@ -650,6 +655,40 @@ public static synchronized boolean exportDB(Context context, File file) {
         return false;
     }
 
+    public static synchronized boolean exportDB(Context context, Uri uri) {
+        File dbFile = context.getDatabasePath("eh.db");
+        if (null == dbFile || !dbFile.isFile()) {
+            return false;
+        }
+        if (null == uri) {
+            return false;
+        }
+        InputStream is = null;
+        OutputStream os = null;
+        ContentResolver resolver = context.getContentResolver();
+        try {
+            is = new FileInputStream(dbFile);
+            os = resolver.openOutputStream(uri);
+            IOUtils.copy(is, os);
+            return true;
+        } catch (IOException e) {
+            e.printStackTrace();
+        } finally {
+            IOUtils.closeQuietly(is);
+            IOUtils.closeQuietly(os);
+        }
+        // Delete failed file
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
+            try {
+                DocumentsContract.deleteDocument(resolver, uri);
+            } catch (FileNotFoundException e) {
+                e.printStackTrace();
+            }
+        }
+
+        return false;
+    }
+
     /**
      * @param file The db file
      * @return error string, null for no error
diff --git a/app/src/main/java/com/hippo/ehviewer/ui/fragment/AdvancedFragment.java b/app/src/main/java/com/hippo/ehviewer/ui/fragment/AdvancedFragment.java
index 23aa503cd..45a12c7f7 100644
--- a/app/src/main/java/com/hippo/ehviewer/ui/fragment/AdvancedFragment.java
+++ b/app/src/main/java/com/hippo/ehviewer/ui/fragment/AdvancedFragment.java
@@ -20,18 +20,19 @@
 import android.app.AlertDialog;
 import android.content.Context;
 import android.content.DialogInterface;
+import android.content.Intent;
 import android.content.res.Resources;
+import android.net.Uri;
+import android.os.Build;
 import android.os.Bundle;
 import android.preference.Preference;
 import android.preference.PreferenceFragment;
-import android.text.TextUtils;
 import android.widget.Toast;
 
 import com.hippo.ehviewer.AppConfig;
 import com.hippo.ehviewer.EhApplication;
 import com.hippo.ehviewer.EhDB;
 import com.hippo.ehviewer.R;
-import com.hippo.ehviewer.Settings;
 import com.hippo.util.LogCat;
 import com.hippo.util.ReadableTime;
 
@@ -45,6 +46,8 @@ public class AdvancedFragment extends PreferenceFragment implements Preference.O
     private static final String KEY_EXPORT_DATA = "export_data";
     private static final String KEY_IMPORT_DATA = "import_data";
 
+    private static final int WRITE_REQUEST_CODE = 43;
+
     @Override
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -88,13 +91,20 @@ public boolean onPreferenceClick(Preference preference) {
             ((EhApplication) getActivity().getApplication()).clearMemoryCache();
             Runtime.getRuntime().gc();
         } else if (KEY_EXPORT_DATA.equals(key)) {
-            File dir = AppConfig.getExternalDataDir();
-            if (dir != null) {
-                File file = new File(dir, ReadableTime.getFilenamableTime(System.currentTimeMillis()) + ".db");
-                if (EhDB.exportDB(getActivity(), file)) {
-                    Toast.makeText(getActivity(),
-                            getString(R.string.settings_advanced_export_data_to, file.getPath()), Toast.LENGTH_SHORT).show();
-                    return true;
+            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT){
+                String filename = ReadableTime.getFilenamableTime(System.currentTimeMillis()) + ".db";
+                exportData("*/*", filename);
+                return true;
+
+            }else {
+                File dir = AppConfig.getExternalDataDir();
+                if (dir != null) {
+                    File file = new File(dir, ReadableTime.getFilenamableTime(System.currentTimeMillis()) + ".db");
+                    if (EhDB.exportDB(getActivity(), file)) {
+                        Toast.makeText(getActivity(),
+                                getString(R.string.settings_advanced_export_data_to, file.getPath()), Toast.LENGTH_SHORT).show();
+                        return true;
+                    }
                 }
             }
             Toast.makeText(getActivity(),R.string.settings_advanced_export_data_failed, Toast.LENGTH_SHORT).show();
@@ -107,6 +117,30 @@ public boolean onPreferenceClick(Preference preference) {
         return false;
     }
 
+    private void exportData(String mimeType, String fileName){
+        Intent intent = new Intent(Intent.ACTION_CREATE_DOCUMENT);
+        intent.addCategory(Intent.CATEGORY_OPENABLE);
+        intent.setType(mimeType);
+        intent.putExtra(Intent.EXTRA_TITLE, fileName);
+        startActivityForResult(intent, WRITE_REQUEST_CODE);
+
+    }
+
+    @Override
+    public void onActivityResult(int requestCode, int resultCode, Intent resultData) {
+
+        if (requestCode == WRITE_REQUEST_CODE && resultCode == Activity.RESULT_OK) {
+            Uri uri = null;
+            if (resultData != null) {
+                uri = resultData.getData();
+                if (EhDB.exportDB(getActivity(), uri)) {
+                    Toast.makeText(getActivity(),
+                            getString(R.string.settings_advanced_export_data_to, uri.toString()), Toast.LENGTH_SHORT).show();
+                }
+            }
+        }
+    }
+
     private static void importData(final Context context) {
         final File dir = AppConfig.getExternalDataDir();
         if (null == dir) {