private void reQueryLocal() {
   try {
     String tag = getArguments().getString(K.KEY_TAG.name());
     Cursor cursor =
         mActivity
             .getContentResolver()
             .query(
                 SchemaPosts.CONTENT_URI,
                 null,
                 SchemaPosts.COLUMN_SRC_SEARCH + "=?",
                 new String[] {tag},
                 BaseColumns._ID + " DESC");
     if (cursor.getCount() > 0) {
       int beforeIdx = mLayoutManager.findFirstVisibleItemPosition();
       mViewAdapter.changeCursor(cursor);
       mViewAdapter.notifyDataSetChanged();
     } else {
       cursor.close();
     }
   } catch (Exception e) {
     // muted;
   }
 }