diff --git a/miui/app/src/main/java/net/micode/notes/ui/NotesListActivity.java b/miui/app/src/main/java/net/micode/notes/ui/NotesListActivity.java
index f735b3e..7824c8d 100644
--- a/miui/app/src/main/java/net/micode/notes/ui/NotesListActivity.java
+++ b/miui/app/src/main/java/net/micode/notes/ui/NotesListActivity.java
@@ -181,6 +181,8 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
     // 笔记列表视图滚动速率
     public static final int NOTES_LISTVIEW_SCROLL_RATE = 30;
 
+    public static int secret_mode = 0;
+
     // 聚焦的笔记数据项
     private NoteItemData mFocusNoteDataItem;
 
@@ -387,6 +389,47 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
         /**
          * 更新动作模式下的菜单项。
          */
+
+
+
+    private void startAsyncNotesListQuery() {
+        String selection = (mCurrentFolderId == Notes.ID_ROOT_FOLDER) ? ROOT_FOLDER_SELECTION
+                : NORMAL_SELECTION;
+        if(secret_mode == 0) {
+            mBackgroundQueryHandler.startQuery(FOLDER_NOTE_LIST_QUERY_TOKEN, null,
+                    Notes.CONTENT_NOTE_URI, NoteItemData.PROJECTION, selection, new String[]{
+                            String.valueOf(mCurrentFolderId)
+                    }, NoteColumns.TYPE + " DESC," + NoteColumns.MODIFIED_DATE + " DESC");
+        }
+        else{
+            String str1 = "520";
+            String [] PROJECTION = new String [] {  //定义一个新的PROJECTION数组，只换掉SNIPPET
+                    NoteColumns.ID,
+                    NoteColumns.ALERTED_DATE,
+                    NoteColumns.BG_COLOR_ID,
+                    NoteColumns.CREATED_DATE,
+                    NoteColumns.HAS_ATTACHMENT,
+                    NoteColumns.MODIFIED_DATE,
+                    NoteColumns.NOTES_COUNT,
+                    NoteColumns.PARENT_ID,
+//                    NoteColumns.SNIPPET,
+                    str1,
+                    NoteColumns.TYPE,
+                    NoteColumns.WIDGET_ID,
+                    NoteColumns.WIDGET_TYPE,
+            };
+            mBackgroundQueryHandler.startQuery(FOLDER_NOTE_LIST_QUERY_TOKEN, null,
+                    Notes.CONTENT_NOTE_URI, PROJECTION, selection, new String[]{
+                            String.valueOf(mCurrentFolderId)
+                    }, NoteColumns.TYPE + " DESC," + NoteColumns.MODIFIED_DATE + " DESC");
+
+        }
+        // 查询完成后更新便签数量
+        updateNoteCount();
+    }
+
+
+
         private void updateMenu() {
             int selectedCount = mNotesListAdapter.getSelectedCount();
             // 更新下拉菜单标题
@@ -1178,6 +1221,47 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
                 break;
             }
 
+            case R.id.menu_secret: {    //进入私密模式
+                secret_mode = 1;
+                AlertDialog.Builder dialog = new AlertDialog.Builder(NotesListActivity.this);
+                dialog.setTitle("重要提醒");
+                dialog.setMessage("您确认进入私密模式吗？");
+                dialog.setCancelable(false);
+                dialog.setPositiveButton("确认", new DialogInterface.OnClickListener() {
+                    @Override
+                    public void onClick(DialogInterface dialog, int which) {
+                        startAsyncNotesListQuery();
+                        Toast.makeText(NotesListActivity.this,"您已进入私密模式",Toast.LENGTH_SHORT).show();
+                    }
+                });
+                dialog.setNegativeButton("取消", new DialogInterface.OnClickListener() {
+                    @Override
+                    public void onClick(DialogInterface dialog, int which){}
+                });
+                dialog.show();
+                break;
+            }
+            case R.id.menu_quit_secret:{    //退出私密模式
+                secret_mode = 0;
+                AlertDialog.Builder dialog = new AlertDialog.Builder(NotesListActivity.this);
+                dialog.setTitle("重要提醒");
+                dialog.setMessage("您确认退出私密模式吗？");
+                dialog.setCancelable(false);
+                dialog.setPositiveButton("确认", new DialogInterface.OnClickListener() {
+                    @Override
+                    public void onClick(DialogInterface dialog, int which) {
+                        startAsyncNotesListQuery();
+                        Toast.makeText(NotesListActivity.this,"您已退出私密模式",Toast.LENGTH_SHORT).show();
+                    }
+                });
+                dialog.setNegativeButton("取消", new DialogInterface.OnClickListener() {
+                    @Override
+                    public void onClick(DialogInterface dialog, int which){}
+                });
+                dialog.show();
+                break;
+            }
+
             case R.id.menu_new_folder: {
                 showCreateOrModifyFolderDialog(true); // 显示创建新文件夹的对话框
                 break;