diff --git a/src/net/micode/notes/data/Contact.java b/src/net/micode/notes/data/Contact.java
index 847f3b5..4bb2ba5 100644
--- a/src/net/micode/notes/data/Contact.java
+++ b/src/net/micode/notes/data/Contact.java
@@ -25,7 +25,6 @@ import android.util.Log;
 
 import java.util.HashMap;
 
-
 /**
  * Contact 类用于从联系人数据库中根据电话号码查找联系人名称。
  * 使用缓存来优化查找性能，避免重复查询联系人数据库。
diff --git a/src/net/micode/notes/data/Notes.java b/src/net/micode/notes/data/Notes.java
index a55a1df..8ad3e85 100644
--- a/src/net/micode/notes/data/Notes.java
+++ b/src/net/micode/notes/data/Notes.java
@@ -18,7 +18,6 @@ package net.micode.notes.data;
 
 import android.net.Uri;
 
-
 /**
  * Notes 类定义了与笔记和文件夹相关的常量、URI 以及数据库列名常量。
  * 这些常量用于管理笔记应用中的数据，帮助进行数据查询和处理。
diff --git a/src/net/micode/notes/data/NotesDatabaseHelper.java b/src/net/micode/notes/data/NotesDatabaseHelper.java
index b56745d..f725155 100644
--- a/src/net/micode/notes/data/NotesDatabaseHelper.java
+++ b/src/net/micode/notes/data/NotesDatabaseHelper.java
@@ -26,7 +26,6 @@ import net.micode.notes.data.Notes.DataColumns;
 import net.micode.notes.data.Notes.DataConstants;
 import net.micode.notes.data.Notes.NoteColumns;
 
-
 /**
  * NotesDatabaseHelper 类用于管理笔记的 SQLite 数据库。
  * 它继承自 SQLiteOpenHelper，负责数据库的创建、升级和管理。
diff --git a/src/net/micode/notes/data/NotesProvider.java b/src/net/micode/notes/data/NotesProvider.java
index 247828a..69d8fa9 100644
--- a/src/net/micode/notes/data/NotesProvider.java
+++ b/src/net/micode/notes/data/NotesProvider.java
@@ -34,7 +34,6 @@ import net.micode.notes.data.Notes.DataColumns;
 import net.micode.notes.data.Notes.NoteColumns;
 import net.micode.notes.data.NotesDatabaseHelper.TABLE;
 
-
 public class NotesProvider extends ContentProvider {
     // URI Matcher 用于将 URI 映射到相应的操作
     private static final UriMatcher mMatcher;
diff --git a/src/net/micode/notes/gtask/data/MetaData.java b/src/net/micode/notes/gtask/data/MetaData.java
index a1d07a4..b1787b9 100644
--- a/src/net/micode/notes/gtask/data/MetaData.java
+++ b/src/net/micode/notes/gtask/data/MetaData.java
@@ -25,7 +25,6 @@ import org.json.JSONException;
 import org.json.JSONObject;
 
 
-
 public class MetaData extends Task {
     /*
      * 功能描述：得到类的简写名称存入字符串TAG中
diff --git a/src/net/micode/notes/gtask/data/Node.java b/src/net/micode/notes/gtask/data/Node.java
index 063a1fd..26090da 100644
--- a/src/net/micode/notes/gtask/data/Node.java
+++ b/src/net/micode/notes/gtask/data/Node.java
@@ -20,7 +20,6 @@ import android.database.Cursor;
 
 import org.json.JSONObject;
 
-
 public abstract class Node {
     //定义了各种用于表征同步状态的常量
     public static final int SYNC_ACTION_NONE = 0;// 本地和云端都无可更新内容（即本地和云端内容一致）
diff --git a/src/net/micode/notes/gtask/data/SqlData.java b/src/net/micode/notes/gtask/data/SqlData.java
index d760528..d36b235 100644
--- a/src/net/micode/notes/gtask/data/SqlData.java
+++ b/src/net/micode/notes/gtask/data/SqlData.java
@@ -43,7 +43,6 @@ import net.micode.notes.gtask.exception.ActionFailureException;
 import org.json.JSONException;
 import org.json.JSONObject;
 
-
 public class SqlData {
 
     /*
diff --git a/src/net/micode/notes/gtask/data/SqlNote.java b/src/net/micode/notes/gtask/data/SqlNote.java
index 296eaae..b432503 100644
--- a/src/net/micode/notes/gtask/data/SqlNote.java
+++ b/src/net/micode/notes/gtask/data/SqlNote.java
@@ -48,7 +48,6 @@ import org.json.JSONObject;
 
 import java.util.ArrayList;
 
-
 public class SqlNote {
     /*
      * 功能描述：得到类的简写名称存入字符串TAG中
diff --git a/src/net/micode/notes/gtask/data/Task.java b/src/net/micode/notes/gtask/data/Task.java
index bdb68e0..16357ba 100644
--- a/src/net/micode/notes/gtask/data/Task.java
+++ b/src/net/micode/notes/gtask/data/Task.java
@@ -32,7 +32,6 @@ import org.json.JSONArray;
 import org.json.JSONException;
 import org.json.JSONObject;
 
-
 public class Task extends Node {
     private static final String TAG = Task.class.getSimpleName();
 
diff --git a/src/net/micode/notes/gtask/data/TaskList.java b/src/net/micode/notes/gtask/data/TaskList.java
index 9dc2041..13c39f7 100644
--- a/src/net/micode/notes/gtask/data/TaskList.java
+++ b/src/net/micode/notes/gtask/data/TaskList.java
@@ -30,7 +30,6 @@ import org.json.JSONObject;
 
 import java.util.ArrayList;
 
-
 public class TaskList extends Node {
     private static final String TAG = TaskList.class.getSimpleName();//tag标记
 
diff --git a/src/net/micode/notes/gtask/exception/ActionFailureException.java b/src/net/micode/notes/gtask/exception/ActionFailureException.java
index 438f283..81cbe31 100644
--- a/src/net/micode/notes/gtask/exception/ActionFailureException.java
+++ b/src/net/micode/notes/gtask/exception/ActionFailureException.java
@@ -19,7 +19,6 @@
  */
 package net.micode.notes.gtask.exception;
 
-
 public class ActionFailureException extends RuntimeException {
     private static final long serialVersionUID = 4425249765923293627L;
 
diff --git a/src/net/micode/notes/gtask/exception/NetworkFailureException.java b/src/net/micode/notes/gtask/exception/NetworkFailureException.java
index 3cd38a6..5322209 100644
--- a/src/net/micode/notes/gtask/exception/NetworkFailureException.java
+++ b/src/net/micode/notes/gtask/exception/NetworkFailureException.java
@@ -19,7 +19,6 @@
  */
 package net.micode.notes.gtask.exception;
 
-
 public class NetworkFailureException extends Exception {
     private static final long serialVersionUID = 2107610287180234136L;
 
diff --git a/src/net/micode/notes/gtask/remote/GTaskASyncTask.java b/src/net/micode/notes/gtask/remote/GTaskASyncTask.java
index b49b382..2ceada0 100644
--- a/src/net/micode/notes/gtask/remote/GTaskASyncTask.java
+++ b/src/net/micode/notes/gtask/remote/GTaskASyncTask.java
@@ -35,7 +35,6 @@ import net.micode.notes.R;
 import net.micode.notes.ui.NotesListActivity;
 import net.micode.notes.ui.NotesPreferenceActivity;
 
-
 public class GTaskASyncTask extends AsyncTask<Void, String, Integer> {
 
     private static int GTASK_SYNC_NOTIFICATION_ID = 5234235;
diff --git a/src/net/micode/notes/gtask/remote/GTaskClient.java b/src/net/micode/notes/gtask/remote/GTaskClient.java
index 8a9191b..ff0ca15 100644
--- a/src/net/micode/notes/gtask/remote/GTaskClient.java
+++ b/src/net/micode/notes/gtask/remote/GTaskClient.java
@@ -65,7 +65,6 @@ import java.util.zip.GZIPInputStream;
 import java.util.zip.Inflater;
 import java.util.zip.InflaterInputStream;
 
-
 public class GTaskClient {
     private static final String TAG = GTaskClient.class.getSimpleName();
 
diff --git a/src/net/micode/notes/gtask/remote/GTaskManager.java b/src/net/micode/notes/gtask/remote/GTaskManager.java
index e0d68fe..d0489e3 100644
--- a/src/net/micode/notes/gtask/remote/GTaskManager.java
+++ b/src/net/micode/notes/gtask/remote/GTaskManager.java
@@ -16,7 +16,6 @@
 
 package net.micode.notes.gtask.remote;
 
-
 import android.app.Activity;
 import android.content.ContentResolver;
 import android.content.ContentUris;
diff --git a/src/net/micode/notes/gtask/remote/GTaskSyncService.java b/src/net/micode/notes/gtask/remote/GTaskSyncService.java
index 991c07b..f058d32 100644
--- a/src/net/micode/notes/gtask/remote/GTaskSyncService.java
+++ b/src/net/micode/notes/gtask/remote/GTaskSyncService.java
@@ -14,7 +14,6 @@
  * limitations under the License.
  */
 
-
 package net.micode.notes.gtask.remote;
 /*
  * Service是在一段不定的时间运行在后台，不和用户交互的应用组件
diff --git a/src/net/micode/notes/model/Note.java b/src/net/micode/notes/model/Note.java
index cc9f74b..6493cfd 100644
--- a/src/net/micode/notes/model/Note.java
+++ b/src/net/micode/notes/model/Note.java
@@ -14,7 +14,6 @@
  * limitations under the License.
  */
 
-
 package net.micode.notes.model;
 
 import android.content.ContentProviderOperation;
diff --git a/src/net/micode/notes/model/WorkingNote.java b/src/net/micode/notes/model/WorkingNote.java
index 10b87c0..20daea0 100644
--- a/src/net/micode/notes/model/WorkingNote.java
+++ b/src/net/micode/notes/model/WorkingNote.java
@@ -32,7 +32,6 @@ import net.micode.notes.data.Notes.TextNote;
 import net.micode.notes.tool.ResourceParser.NoteBgResources;
 
 
-
 /**
  * WorkingNote类用于表示“工作中的笔记”，它包含笔记的基本信息、内容、模式等，并负责与数据库中的数据进行交互。
  */
diff --git a/src/net/micode/notes/tool/BackupUtils.java b/src/net/micode/notes/tool/BackupUtils.java
index f17a8a7..b98aa44 100644
--- a/src/net/micode/notes/tool/BackupUtils.java
+++ b/src/net/micode/notes/tool/BackupUtils.java
@@ -35,7 +35,6 @@ import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.PrintStream;
 
-
 public class BackupUtils {
     private static final String TAG = "BackupUtils";  // 定义日志标签
     private static BackupUtils sInstance;  // 单例模式实例
diff --git a/src/net/micode/notes/tool/DataUtils.java b/src/net/micode/notes/tool/DataUtils.java
index 58d581a..a672ed5 100644
--- a/src/net/micode/notes/tool/DataUtils.java
+++ b/src/net/micode/notes/tool/DataUtils.java
@@ -35,7 +35,6 @@ import java.util.ArrayList;
 import java.util.HashSet;
 
 
-
 public class DataUtils {
     public static final String TAG = "DataUtils";  // 日志标签
 
diff --git a/src/net/micode/notes/tool/GTaskStringUtils.java b/src/net/micode/notes/tool/GTaskStringUtils.java
index 8dcd9e8..2154f81 100644
--- a/src/net/micode/notes/tool/GTaskStringUtils.java
+++ b/src/net/micode/notes/tool/GTaskStringUtils.java
@@ -16,7 +16,6 @@
 
 package net.micode.notes.tool;
 
-
 public class GTaskStringUtils {
 
     // GTASK 相关的 JSON 字段名常量
diff --git a/src/net/micode/notes/tool/ResourceParser.java b/src/net/micode/notes/tool/ResourceParser.java
index b86c5cc..b47d650 100644
--- a/src/net/micode/notes/tool/ResourceParser.java
+++ b/src/net/micode/notes/tool/ResourceParser.java
@@ -16,7 +16,6 @@
 
 package net.micode.notes.tool;
 
-
 import android.content.Context;
 import android.preference.PreferenceManager;
 
diff --git a/src/net/micode/notes/ui/AlarmAlertActivity.java b/src/net/micode/notes/ui/AlarmAlertActivity.java
index a8c3b65..ae9994e 100644
--- a/src/net/micode/notes/ui/AlarmAlertActivity.java
+++ b/src/net/micode/notes/ui/AlarmAlertActivity.java
@@ -16,7 +16,6 @@
 
 package net.micode.notes.ui;
 
-
 import android.app.Activity;
 import android.app.AlertDialog;
 import android.content.Context;
diff --git a/src/net/micode/notes/ui/AlarmInitReceiver.java b/src/net/micode/notes/ui/AlarmInitReceiver.java
index a8e31ef..5478dbe 100644
--- a/src/net/micode/notes/ui/AlarmInitReceiver.java
+++ b/src/net/micode/notes/ui/AlarmInitReceiver.java
@@ -28,7 +28,6 @@ import net.micode.notes.data.Notes;
 import net.micode.notes.data.Notes.NoteColumns;
 
 
-
 public class AlarmInitReceiver extends BroadcastReceiver {
 
     // 定义查询笔记的列，只查询 ID 和 ALERTED_DATE
diff --git a/src/net/micode/notes/ui/AlarmReceiver.java b/src/net/micode/notes/ui/AlarmReceiver.java
index fe66716..0fbf01d 100644
--- a/src/net/micode/notes/ui/AlarmReceiver.java
+++ b/src/net/micode/notes/ui/AlarmReceiver.java
@@ -16,7 +16,6 @@
 
 package net.micode.notes.ui;
 
-
 import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.Intent;
diff --git a/src/net/micode/notes/ui/DateTimePicker.java b/src/net/micode/notes/ui/DateTimePicker.java
index 8e0525a..2b825ab 100644
--- a/src/net/micode/notes/ui/DateTimePicker.java
+++ b/src/net/micode/notes/ui/DateTimePicker.java
@@ -16,7 +16,6 @@
 
 package net.micode.notes.ui;
 
-
 import java.text.DateFormatSymbols;
 import java.util.Calendar;
 
diff --git a/src/net/micode/notes/ui/DateTimePickerDialog.java b/src/net/micode/notes/ui/DateTimePickerDialog.java
index a2edde1..f0600ab 100644
--- a/src/net/micode/notes/ui/DateTimePickerDialog.java
+++ b/src/net/micode/notes/ui/DateTimePickerDialog.java
@@ -16,7 +16,6 @@
 
 package net.micode.notes.ui;
 
-
 import java.util.Calendar;
 
 import net.micode.notes.R;
diff --git a/src/net/micode/notes/ui/DropdownMenu.java b/src/net/micode/notes/ui/DropdownMenu.java
index 1c0befc..a3d2688 100644
--- a/src/net/micode/notes/ui/DropdownMenu.java
+++ b/src/net/micode/notes/ui/DropdownMenu.java
@@ -16,7 +16,6 @@
 
 package net.micode.notes.ui;
 
-
 import android.content.Context;
 import android.view.Menu;
 import android.view.MenuItem;
diff --git a/src/net/micode/notes/ui/FoldersListAdapter.java b/src/net/micode/notes/ui/FoldersListAdapter.java
index b228a90..766b520 100644
--- a/src/net/micode/notes/ui/FoldersListAdapter.java
+++ b/src/net/micode/notes/ui/FoldersListAdapter.java
@@ -16,7 +16,6 @@
 
 package net.micode.notes.ui;
 
-
 import android.content.Context;
 import android.database.Cursor;
 import android.view.View;
diff --git a/src/net/micode/notes/ui/NoteEditActivity.java b/src/net/micode/notes/ui/NoteEditActivity.java
index 60518d3..6844460 100644
--- a/src/net/micode/notes/ui/NoteEditActivity.java
+++ b/src/net/micode/notes/ui/NoteEditActivity.java
@@ -16,7 +16,6 @@
 
 package net.micode.notes.ui;
 
-
 import android.app.Activity;
 import android.app.AlarmManager;
 import android.app.AlertDialog;
diff --git a/src/net/micode/notes/ui/NoteEditText.java b/src/net/micode/notes/ui/NoteEditText.java
index 91d72f8..cbb2a97 100644
--- a/src/net/micode/notes/ui/NoteEditText.java
+++ b/src/net/micode/notes/ui/NoteEditText.java
@@ -16,7 +16,6 @@
 
 package net.micode.notes.ui;
 
-
 import android.content.Context;
 import android.graphics.Rect;
 import android.text.Layout;
diff --git a/src/net/micode/notes/ui/NoteItemData.java b/src/net/micode/notes/ui/NoteItemData.java
index 58cfe64..5f78303 100644
--- a/src/net/micode/notes/ui/NoteItemData.java
+++ b/src/net/micode/notes/ui/NoteItemData.java
@@ -25,7 +25,6 @@ import net.micode.notes.data.Notes;
 import net.micode.notes.data.Notes.NoteColumns;
 import net.micode.notes.tool.DataUtils;
 
-
 /**
  * NoteItemData 类用于封装数据库查询返回的笔记数据，将其转换为可操作的对象模型。
  * 此类提供了关于笔记的各种信息，如笔记的 ID、提醒日期、创建日期、附件、类型等。
diff --git a/src/net/micode/notes/ui/NotesListActivity.java b/src/net/micode/notes/ui/NotesListActivity.java
index c724929..91e0878 100644
--- a/src/net/micode/notes/ui/NotesListActivity.java
+++ b/src/net/micode/notes/ui/NotesListActivity.java
@@ -14,7 +14,6 @@
  * limitations under the License.
  */
 
-
 package net.micode.notes.ui;
 
 import android.app.Activity;
diff --git a/src/net/micode/notes/ui/NotesListAdapter.java b/src/net/micode/notes/ui/NotesListAdapter.java
index 46764bb..e555c4e 100644
--- a/src/net/micode/notes/ui/NotesListAdapter.java
+++ b/src/net/micode/notes/ui/NotesListAdapter.java
@@ -31,7 +31,6 @@ import java.util.HashSet;
 import java.util.Iterator;
 
 
-
 /**
  * 适配器类，用于在列表中展示笔记数据。
  * 继承自CursorAdapter，适配从数据库中查询的Cursor数据。
diff --git a/src/net/micode/notes/ui/NotesListItem.java b/src/net/micode/notes/ui/NotesListItem.java
index 1fb0d32..59f6b9a 100644
--- a/src/net/micode/notes/ui/NotesListItem.java
+++ b/src/net/micode/notes/ui/NotesListItem.java
@@ -16,7 +16,6 @@
 
 package net.micode.notes.ui;
 
-
 import android.content.Context;
 import android.text.format.DateUtils;
 import android.view.View;
diff --git a/src/net/micode/notes/ui/NotesPreferenceActivity.java b/src/net/micode/notes/ui/NotesPreferenceActivity.java
index 678bd42..fc865e6 100644
--- a/src/net/micode/notes/ui/NotesPreferenceActivity.java
+++ b/src/net/micode/notes/ui/NotesPreferenceActivity.java
@@ -16,7 +16,6 @@
 
 package net.micode.notes.ui;
 
-
 import android.accounts.Account;
 import android.accounts.AccountManager;
 import android.app.ActionBar;
diff --git a/src/net/micode/notes/widget/NoteWidgetProvider.java b/src/net/micode/notes/widget/NoteWidgetProvider.java
index a76191f..0f770dc 100644
--- a/src/net/micode/notes/widget/NoteWidgetProvider.java
+++ b/src/net/micode/notes/widget/NoteWidgetProvider.java
@@ -14,7 +14,6 @@
  * limitations under the License.
  */
 
-
 package net.micode.notes.widget;
 
 import android.app.PendingIntent;
diff --git a/src/net/micode/notes/widget/NoteWidgetProvider_2x.java b/src/net/micode/notes/widget/NoteWidgetProvider_2x.java
index 27cf320..820b334 100644
--- a/src/net/micode/notes/widget/NoteWidgetProvider_2x.java
+++ b/src/net/micode/notes/widget/NoteWidgetProvider_2x.java
@@ -14,7 +14,6 @@
  * limitations under the License.
  */
 
-
 package net.micode.notes.widget;
 
 import android.appwidget.AppWidgetManager;
diff --git a/src/net/micode/notes/widget/NoteWidgetProvider_4x.java b/src/net/micode/notes/widget/NoteWidgetProvider_4x.java
index 10d594d..e451350 100644
--- a/src/net/micode/notes/widget/NoteWidgetProvider_4x.java
+++ b/src/net/micode/notes/widget/NoteWidgetProvider_4x.java
@@ -14,7 +14,6 @@
  * limitations under the License.
  */
 
-
 package net.micode.notes.widget;
 
 import android.appwidget.AppWidgetManager;