             switch channel {
             case .Alipay:
                 payChannelLabel.text = "支付宝"
+                iconView.image = UIImage(named: "alipay_icon")
                 break
             case .Wechat:
                 payChannelLabel.text = "微信"
+                iconView.image = UIImage(named: "wechat_icon")
                 break
             case .Other:
                 payChannelLabel.text = "其他支付方式"

            maker.left.equalTo(contentView).offset(12)
            maker.right.equalTo(contentView).offset(-12)
            maker.bottom.equalTo(contentView)
        }
        titleLabel.snp.updateConstraints { (maker) -> Void in
            maker.top.equalTo(content).offset(16)
            maker.left.equalTo(content).offset(12)
            maker.height.equalTo(15)
            maker.bottom.equalTo(content).offset(-16)
        }
        payChannelLabel.snp.updateConstraints { (maker) -> Void in
            maker.centerY.equalTo(titleLabel)
            maker.right.equalTo(content).offset(-12)
            maker.height.equalTo(13)
        }
    }
}

        // SubViews
        contentView.addSubview(content)
        content.addSubview(titleLabel)
        content.addSubview(iconView)
        content.addSubview(payChannelLabel)
        
        // Autolayout
