diff --git a/src/net/micode/notes/widget/NoteWidgetProvider_2x.java b/src/net/micode/notes/widget/NoteWidgetProvider_2x.java
index adcb2f7..8e231d7 100644
--- a/src/net/micode/notes/widget/NoteWidgetProvider_2x.java
+++ b/src/net/micode/notes/widget/NoteWidgetProvider_2x.java
@@ -14,34 +14,34 @@
  * limitations under the License.
  */
 
-package net.micode.notes.widget;
+package net.micode.notes.widget;// 包声明，指明代码属于哪个包
 
-import android.appwidget.AppWidgetManager;
-import android.content.Context;
+import android.appwidget.AppWidgetManager;// 导入AppWidgetManager类
+import android.content.Context;// 导入Context类
 
-import net.micode.notes.R;
-import net.micode.notes.data.Notes;
-import net.micode.notes.tool.ResourceParser;
+import net.micode.notes.R;// 导入R类，用于访问资源
+import net.micode.notes.data.Notes;// 导入Notes类
+import net.micode.notes.tool.ResourceParser;// 导入ResourceParser类
 
 
-public class NoteWidgetProvider_2x extends NoteWidgetProvider {
+public class NoteWidgetProvider_2x extends NoteWidgetProvider {// 声明NoteWidgetProvider_2x类，继承自NoteWidgetProvider
     @Override
-    public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
-        super.update(context, appWidgetManager, appWidgetIds);
+    public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {// 重写onUpdate方法，当小部件更新时调用
+        super.update(context, appWidgetManager, appWidgetIds);// 调用父类的update方法，更新小部件
     }
 
     @Override
-    protected int getLayoutId() {
-        return R.layout.widget_2x;
+    protected int getLayoutId() {// 重写getLayoutId方法，获取布局ID
+        return R.layout.widget_2x;// 返回widget_2x布局的资源ID
     }
 
     @Override
-    protected int getBgResourceId(int bgId) {
-        return ResourceParser.WidgetBgResources.getWidget2xBgResource(bgId);
+    protected int getBgResourceId(int bgId) {// 重写getBgResourceId方法，获取背景资源ID
+        return ResourceParser.WidgetBgResources.getWidget2xBgResource(bgId);// 返回2x小部件背景资源ID
     }
 
     @Override
     protected int getWidgetType() {
-        return Notes.TYPE_WIDGET_2X;
+        return Notes.TYPE_WIDGET_2X;// 返回2x小部件类型
     }
 }