//修改價格字型
    NSMutableAttributedString *textColor = [[NSMutableAttributedString alloc]initWithString:_priceLB.text];
    NSRange rangel = [[textColor string] rangeOfString:[_priceLB.text substringWithRange:NSMakeRange(0, 1)]];
    [textColor addAttribute:NSForegroundColorAttributeName value:[UIColor redColor] range:rangel];
    [textColor addAttribute:NSFontAttributeName value:[UIFont systemFontOfSize:11] range:rangel];
    
    [_priceLB setAttributedText:textColor];