NSString *str = [NSString stringWithFormat:@"(推荐) %@",_phoneNumber];
_subtitleLabel.text = str;
NSMutableAttributedString *attr = [[NSMutableAttributedString alloc] initWithString:_subtitleLabel.text];
[attr addAttribute:NSForegroundColorAttributeName value:[UIColor redColor] range:NSMakeRange(0, 4)];
[attr addAttribute:NSFontAttributeName value:[UIFont systemFontOfSize:10] range:NSMakeRange(0, 4)];
[_subtitleLabel setAttributedText:attr];