修改了title和snippet的逻辑

src/Notesmaster/app/src/main/java/net/micode/notes/data/NotesRepository.java

@@ -1068,6 +1068,8 @@ public class NotesRepository {
                 }
 
                 ContentValues values = new ContentValues();
+                // 同时更新 TITLE 和 SNIPPET，保持一致性
+                values.put(NoteColumns.TITLE, newName);
                 values.put(NoteColumns.SNIPPET, newName);
                 values.put(NoteColumns.LOCAL_MODIFIED, 1);
 

src/Notesmaster/app/src/main/java/net/micode/notes/model/WorkingNote.java

@@ -433,10 +433,8 @@ public class WorkingNote {
     public void setTitle(String title) {
         mTitle = title;
         mNote.setNoteValue(NoteColumns.TITLE, mTitle);
-        // 对于文件夹类型，同时设置 snippet 字段以保持兼容性
-        if (mType == Notes.TYPE_FOLDER) {
-            mNote.setNoteValue(NoteColumns.SNIPPET, mTitle);
-        }
+        // 同步设置SNIPPET字段以保持兼容性
+        mNote.setNoteValue(NoteColumns.SNIPPET, mTitle);
     }
 
     public String getTitle() {

src/Notesmaster/app/src/main/java/net/micode/notes/ui/FoldersListAdapter.java

@@ -49,12 +49,14 @@ public class FoldersListAdapter extends CursorAdapter {
     // 数据库查询投影，指定需要从笔记表中获取的列
     public static final String [] PROJECTION = {
         NoteColumns.ID,
-        NoteColumns.SNIPPET
+        NoteColumns.SNIPPET,
+        NoteColumns.TITLE
     };
 
     // 列索引常量，用于从查询结果中获取对应列的数据
     public static final int ID_COLUMN   = 0;
-    public static final int NAME_COLUMN = 1;
+    public static final int SNIPPET_COLUMN = 1;
+    public static final int TITLE_COLUMN = 2;
 
     /**
      * 构造器
@@ -96,9 +98,19 @@ public class FoldersListAdapter extends CursorAdapter {
     public void bindView(View view, Context context, Cursor cursor) {
         if (view instanceof FolderListItem) {
             // 如果是根文件夹，显示特殊文本；否则显示文件夹名称
-            String folderName = (cursor.getLong(ID_COLUMN) == Notes.ID_ROOT_FOLDER) ? context
-                    .getString(R.string.menu_move_parent_folder) : cursor.getString(NAME_COLUMN);
-            ((FolderListItem) view).bind(folderName);
+            if (cursor.getLong(ID_COLUMN) == Notes.ID_ROOT_FOLDER) {
+                ((FolderListItem) view).bind(context.getString(R.string.menu_move_parent_folder));
+            } else {
+                // 优先使用TITLE，fallback到SNIPPET
+                String folderName = "";
+                if (cursor.getColumnCount() > TITLE_COLUMN) {
+                    folderName = cursor.getString(TITLE_COLUMN);
+                }
+                if (folderName == null || folderName.trim().isEmpty()) {
+                    folderName = cursor.getString(SNIPPET_COLUMN);
+                }
+                ((FolderListItem) view).bind(folderName);
+            }
         }
     }
 
@@ -111,8 +123,18 @@ public class FoldersListAdapter extends CursorAdapter {
      */
     public String getFolderName(Context context, int position) {
         Cursor cursor = (Cursor) getItem(position);
-        return (cursor.getLong(ID_COLUMN) == Notes.ID_ROOT_FOLDER) ? context
-                .getString(R.string.menu_move_parent_folder) : cursor.getString(NAME_COLUMN);
+        if (cursor.getLong(ID_COLUMN) == Notes.ID_ROOT_FOLDER) {
+            return context.getString(R.string.menu_move_parent_folder);
+        }
+        // 优先使用TITLE，fallback到SNIPPET
+        String folderName = "";
+        if (cursor.getColumnCount() > TITLE_COLUMN) {
+            folderName = cursor.getString(TITLE_COLUMN);
+        }
+        if (folderName == null || folderName.trim().isEmpty()) {
+            folderName = cursor.getString(SNIPPET_COLUMN);
+        }
+        return folderName;
     }
 
     /**

src/Notesmaster/app/src/main/java/net/micode/notes/viewmodel/FolderListViewModel.java

@@ -246,7 +246,16 @@ public class FolderListViewModel extends AndroidViewModel {
                 while (cursor.moveToNext()) {
                     Map<String, Object> folder = new HashMap<>();
                     long id = cursor.getLong(cursor.getColumnIndexOrThrow(NoteColumns.ID));
-                    String name = cursor.getString(cursor.getColumnIndexOrThrow(NoteColumns.SNIPPET));
+
+                    // 优先使用TITLE，fallback到SNIPPET
+                    String name = "";
+                    int titleIndex = cursor.getColumnIndex(NoteColumns.TITLE);
+                    if (titleIndex != -1) {
+                        name = cursor.getString(titleIndex);
+                    }
+                    if (name == null || name.trim().isEmpty()) {
+                        name = cursor.getString(cursor.getColumnIndexOrThrow(NoteColumns.SNIPPET));
+                    }
 
                     // 尝试获取parent_id，可能列名不对
                     int parentIdIndex = cursor.getColumnIndex(NoteColumns.PARENT_ID);
@@ -265,6 +274,7 @@ public class FolderListViewModel extends AndroidViewModel {
                     android.util.Log.d(TAG, "Folder data: id=" + id + ", name=" + name + ", parentId=" + parentId + ", noteCount=" + noteCount);
 
                     folder.put(NoteColumns.ID, id);
+                    folder.put(NoteColumns.TITLE, name);
                     folder.put(NoteColumns.SNIPPET, name);
                     folder.put(NoteColumns.PARENT_ID, parentId);
                     folder.put(NoteColumns.NOTES_COUNT, noteCount);

src/Notesmaster/app/src/main/java/net/micode/notes/widget/NoteWidgetProvider.java

@@ -36,12 +36,14 @@ public abstract class NoteWidgetProvider extends AppWidgetProvider {
     public static final String [] PROJECTION = new String [] {
         NoteColumns.ID,
         NoteColumns.BG_COLOR_ID,
-        NoteColumns.SNIPPET
+        NoteColumns.SNIPPET,
+        NoteColumns.TITLE
     };
 
     public static final int COLUMN_ID           = 0;
     public static final int COLUMN_BG_COLOR_ID  = 1;
     public static final int COLUMN_SNIPPET      = 2;
+    public static final int COLUMN_TITLE        = 3;
 
     private static final String TAG = "NoteWidgetProvider";
 
@@ -87,7 +89,11 @@ public abstract class NoteWidgetProvider extends AppWidgetProvider {
                         c.close();
                         return;
                     }
-                    snippet = c.getString(COLUMN_SNIPPET);
+                    // 优先使用TITLE，fallback到SNIPPET
+                    snippet = c.getColumnCount() > COLUMN_TITLE ? c.getString(COLUMN_TITLE) : "";
+                    if (snippet == null || snippet.trim().isEmpty()) {
+                        snippet = c.getString(COLUMN_SNIPPET);
+                    }
                     bgId = c.getInt(COLUMN_BG_COLOR_ID);
                     intent.putExtra(Intent.EXTRA_UID, c.getLong(COLUMN_ID));
                     intent.setAction(Intent.ACTION_VIEW);