我创建了一个菜单UITableViewCell,这UIMenuController只有两个项目.但是当我运行它时,这个菜单显示了很多项目,似乎是ios默认菜单项,显示为截图:

如何删除这些项目并只显示我定义的项目?谢谢.
这是我的代码:
- (id)initWithComment:(DSComment *)comment
{
self = [super initWithStyle:UITableViewCellStyleDefault reuseIdentifier:@"comment"];
UILabel *contentLabel=[[UILabel alloc] initWithFrame:CGRectMake(10, 45, 300, 0)];
contentLabel.text=comment.message;
[self.contentView addSubview:contentLabel];
return self;
}
- (BOOL) canBecomeFirstResponder {
return YES;
}
-(void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event
{
[self becomeFirstResponder];
UIMenuController *menu = [UIMenuController sharedMenuController];
UIMenuItem *like = [[UIMenuItem alloc] initWithTitle:@"Like" action:@selector(like:)];
UIMenuItem *reply = [[UIMenuItem alloc] initWithTitle:@"Replay" action:@selector(reply:)];
[menu setMenuItems:[NSArray arrayWithObjects:like, reply, nil]];
[menu setTargetRect:CGRectMake(0, 0, 0.0f, 0.0f) inView:self];
[menu setMenuVisible:YES animated:YES];
}