diff --git a/src/main/java/net/micode/notes/ui/NotesListActivity.java b/src/main/java/net/micode/notes/ui/NotesListActivity.java
index 6e4a072..c488a0b 100644
--- a/src/main/java/net/micode/notes/ui/NotesListActivity.java
+++ b/src/main/java/net/micode/notes/ui/NotesListActivity.java
@@ -632,6 +632,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
                     etName.setSelection(0, etName.length()); //全选输入文件名（准备修改/删除)
                     return;
                 }
+                // 更新数据库中文件夹名称 插入/修改
                 if (!create) {
                     if (!TextUtils.isEmpty(name)) {
                         ContentValues values = new ContentValues();
@@ -649,6 +650,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
                     values.put(NoteColumns.TYPE, Notes.TYPE_FOLDER);
                     mContentResolver.insert(Notes.CONTENT_NOTE_URI, values);
                 }
+                //关闭对话框
                 dialog.dismiss();
             }
         });
@@ -763,7 +765,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
             case MENU_FOLDER_DELETE:
                 AlertDialog.Builder builder = new AlertDialog.Builder(this);
                 builder.setTitle(getString(R.string.alert_title_delete));
-                builder.setIcon(android.R.drawable.ic_dialog_alert);
+                builder.setIcon(android.R.drawable.divider_horizontal_dark);
                 builder.setMessage(getString(R.string.alert_message_delete_folder));
                 builder.setPositiveButton(android.R.string.ok,
                         new DialogInterface.OnClickListener() {