diff --git a/CHANGE.md b/CHANGE.md
index 50726c3f..45dcbfb7 100644
--- a/CHANGE.md
+++ b/CHANGE.md
@@ -645,4 +645,10 @@
   
 * 2016-03-22
 
-  + weixin4j-base:企业付款相关类更名
\ No newline at end of file
+  + weixin4j-base:企业付款相关类更名
+  
+* 2016-03-25
+
+  + weixin4j-base:v2和v3支付改名
+  
+  + weixin4j-base:支持服务商版支付
\ No newline at end of file
diff --git a/weixin4j-base/src/main/java/com/foxinmy/weixin4j/api/CashApi.java b/weixin4j-base/src/main/java/com/foxinmy/weixin4j/api/CashApi.java
index 4656b831..08f471e4 100644
--- a/weixin4j-base/src/main/java/com/foxinmy/weixin4j/api/CashApi.java
+++ b/weixin4j-base/src/main/java/com/foxinmy/weixin4j/api/CashApi.java
@@ -60,14 +60,9 @@ public class CashApi {
 	 */
 	public RedpacketSendResult sendRedpack(InputStream ca, Redpacket redpacket)
 			throws WeixinException {
-		JSONObject obj = (JSONObject) JSON.toJSON(redpacket);
-		obj.put("nonce_str", RandomUtil.generateString(16));
-		obj.put("mch_id", weixinAccount.getMchId());
-		obj.put("sub_mch_id", weixinAccount.getSubMchId());
-		obj.put("wxappid", weixinAccount.getId());
-		String sign = DigestUtil.paysignMd5(obj, weixinAccount.getPaySignKey());
-		obj.put("sign", sign);
-		String param = XmlStream.map2xml(obj);
+		redpacket.setSign(DigestUtil.paysignMd5(redpacket,
+				weixinAccount.getPaySignKey()));
+		String param = XmlStream.map2xml((JSONObject) JSON.toJSON(redpacket));
 		WeixinResponse response = null;
 		try {
 			WeixinRequestExecutor weixinExecutor = new WeixinSSLRequestExecutor(
@@ -184,7 +179,7 @@ public class CashApi {
 	 * 企业付款查询 用于商户的企业付款操作进行结果查询，返回付款操作详细结果
 	 * 
 	 * @param ca
-	 *           后缀为*.p12的证书文件
+	 *            后缀为*.p12的证书文件
 	 * @param outTradeNo
 	 *            商户调用企业付款API时使用的商户订单号
 	 * @return 付款记录
diff --git a/weixin4j-base/src/main/java/com/foxinmy/weixin4j/api/Pay3Api.java b/weixin4j-base/src/main/java/com/foxinmy/weixin4j/api/PayApi.java
similarity index 98%
rename from weixin4j-base/src/main/java/com/foxinmy/weixin4j/api/Pay3Api.java
rename to weixin4j-base/src/main/java/com/foxinmy/weixin4j/api/PayApi.java
index 1d9255eb..cba65184 100644
--- a/weixin4j-base/src/main/java/com/foxinmy/weixin4j/api/Pay3Api.java
+++ b/weixin4j-base/src/main/java/com/foxinmy/weixin4j/api/PayApi.java
@@ -63,12 +63,12 @@ import com.foxinmy.weixin4j.xml.XmlStream;
  * @since JDK 1.6
  * @see <a href="http://pay.weixin.qq.com/wiki/doc/api/index.html">商户平台API</a>
  */
-public class Pay3Api {
+public class PayApi {
 
 	private final WeixinRequestExecutor weixinExecutor;
 	private final WeixinPayAccount weixinAccount;
 
-	public Pay3Api(WeixinPayAccount weixinAccount) {
+	public PayApi(WeixinPayAccount weixinAccount) {
 		this.weixinAccount = weixinAccount;
 		this.weixinExecutor = new WeixinRequestExecutor();
 	}
@@ -88,10 +88,8 @@ public class Pay3Api {
 	 */
 	public PrePay createPrePay(MchPayPackage payPackage)
 			throws WeixinPayException {
-		if (StringUtil.isBlank(payPackage.getSign())) {
-			payPackage.setSign(DigestUtil.paysignMd5(payPackage,
-					weixinAccount.getPaySignKey()));
-		}
+		payPackage.setSign(DigestUtil.paysignMd5(payPackage,
+				weixinAccount.getPaySignKey()));
 		String payJsRequestXml = XmlStream.toXML(payPackage);
 		try {
 			WeixinResponse response = weixinExecutor.post(
@@ -126,8 +124,6 @@ public class Pay3Api {
 	 */
 	public MchPayRequest createPayRequest(MchPayPackage payPackage)
 			throws WeixinPayException {
-		payPackage.setSign(DigestUtil.paysignMd5(payPackage,
-				weixinAccount.getPaySignKey()));
 		PrePay prePay = createPrePay(payPackage);
 		String tradeType = payPackage.getTradeType();
 		if (TradeType.APP.name().equalsIgnoreCase(tradeType)) {
@@ -140,7 +136,7 @@ public class Pay3Api {
 		} else if (TradeType.WAP.name().equalsIgnoreCase(tradeType)) {
 			return new WAPPayRequest(prePay.getPrepayId(), weixinAccount);
 		} else if (TradeType.MICROPAY.name().equalsIgnoreCase(tradeType)) {
-			throw new WeixinPayException("maybe use createMicroPay method?");
+			throw new WeixinPayException("maybe invoke createMicroPay method?");
 		} else {
 			throw new WeixinPayException("unknown tradeType:" + tradeType);
 		}
@@ -180,7 +176,7 @@ public class Pay3Api {
 	 * @see com.foxinmy.weixin4j.payment.mch.JSAPIPayRequest JS支付
 	 * @see com.foxinmy.weixin4j.payment.mch.NATIVEPayRequest 扫码支付
 	 * @see com.foxinmy.weixin4j.payment.mch.APPPayRequest APP支付
-	 * @see com.foxinmy.weixin4j.payment.mch.WAPPayRequest WAP支付t
+	 * @see com.foxinmy.weixin4j.payment.mch.WAPPayRequest WAP支付
 	 * @throws WeixinPayException
 	 */
 	public MchPayRequest createPayRequest(TradeType tradeType, String openId,
@@ -836,7 +832,7 @@ public class Pay3Api {
 	}
 
 	/**
-	 * V3接口请求基本数据
+	 * 支付接口请求基本数据
 	 * 
 	 * @return
 	 */
@@ -848,6 +844,12 @@ public class Pay3Api {
 		if (StringUtil.isNotBlank(weixinAccount.getDeviceInfo())) {
 			map.put("device_info", weixinAccount.getDeviceInfo());
 		}
+		if (StringUtil.isNotBlank(weixinAccount.getSubId())) {
+			map.put("sub_appid", weixinAccount.getSubId());
+		}
+		if (StringUtil.isNotBlank(weixinAccount.getSubMchId())) {
+			map.put("sub_mch_id", weixinAccount.getSubMchId());
+		}
 		if (idQuery != null) {
 			map.put(idQuery.getType().getName(), idQuery.getId());
 		}
diff --git a/weixin4j-base/src/main/java/com/foxinmy/weixin4j/api/README.md b/weixin4j-base/src/main/java/com/foxinmy/weixin4j/api/README.md
index 35188e3e..5da8af2f 100644
--- a/weixin4j-base/src/main/java/com/foxinmy/weixin4j/api/README.md
+++ b/weixin4j-base/src/main/java/com/foxinmy/weixin4j/api/README.md
@@ -2,4 +2,4 @@
 
 * CouponApi `优惠券API`
 
-* Pay3Api `微信支付API`
\ No newline at end of file
+* PayApi `微信支付API`
\ No newline at end of file
diff --git a/weixin4j-base/src/main/java/com/foxinmy/weixin4j/model/WeixinPayAccount.java b/weixin4j-base/src/main/java/com/foxinmy/weixin4j/model/WeixinPayAccount.java
index 03ce99e0..cf13a8fd 100644
--- a/weixin4j-base/src/main/java/com/foxinmy/weixin4j/model/WeixinPayAccount.java
+++ b/weixin4j-base/src/main/java/com/foxinmy/weixin4j/model/WeixinPayAccount.java
@@ -17,127 +17,142 @@ public class WeixinPayAccount extends WeixinAccount {
 
 	private static final long serialVersionUID = -2791256176906048632L;
 	/**
-	 * 公众号支付请求中用于加密的密钥 Key,可验证商户唯一身份,PaySignKey 对应于支付场景中的 appKey 值
+	 * 公众号支付请求中用于加密的密钥
 	 */
 	private String paySignKey;
 	/**
-	 * 财付通商户身份的标识
-	 */
-	private String partnerId;
-	/**
-	 * 财付通商户权限密钥Key
-	 */
-	private String partnerKey;
-	/**
-	 * 微信支付分配的商户号(商户平台版)
+	 * 微信支付分配的商户号
 	 */
 	private String mchId;
 	/**
-	 * 加载支付证书文件的密码(商户平台版)
+	 * 加载支付证书文件的密码(默认为商户号)
 	 */
 	private String certificateKey;
 	/**
-	 * 微信支付分配的子商户号，受理模式下必填(商户平台版)
-	 */
-	private String subMchId;
-	/**
-	 * 微信支付分配的设备号(商户平台版)
+	 * 微信支付分配的设备号
 	 */
 	private String deviceInfo;
 
 	/**
-	 * 商户平台版本(V3)字段
+	 * 财付通商户身份的标识
+	 */
+	private String partnerId;
+
+	/**
+	 * 微信分配的子商户公众账号ID
+	 */
+	private String subId;
+	/**
+	 * 微信支付分配的子商户号
+	 */
+	private String subMchId;
+
+	/**
+	 * 支付商户信息
 	 * 
-	 * @param appId
+	 * @param id
 	 *            公众号唯一的身份ID(必填)
-	 * @param appSecret
-	 *            调用接口的凭证(最好填写)
 	 * @param paySignKey
 	 *            支付密钥字符串(必填)
 	 * @param mchId
 	 *            微信支付分配的商户号(必填)
 	 */
-	public WeixinPayAccount(String appId, String appSecret, String paySignKey,
-			String mchId) {
-		this(appId, appSecret, paySignKey, mchId, null, null, null, null, null);
+	public WeixinPayAccount(String id, String paySignKey, String mchId) {
+		this(id, null, paySignKey, mchId, null, null, null, null, null);
 	}
 
 	/**
 	 * 支付商户信息
 	 * 
-	 * @param appId
+	 * @param id
 	 *            公众号唯一的身份ID(必填)
-	 * @param appSecret
-	 *            调用接口的凭证(最好填写)
+	 * @param secret
+	 *            公众号调用接口的凭证(最好填写)
 	 * @param paySignKey
 	 *            支付密钥字符串(必填)
 	 * @param mchId
-	 *            微信支付分配的商户号(V3商户平台版必填)
+	 *            微信支付分配的商户号(必填)
 	 * @param certificateKey
-	 *            加载支付证书文件的密码(商户平台版)
-	 * @param subMchId
-	 *            微信支付分配的子商户号，受理模式下必填(V3商户平台版 非必须)
+	 *            加载支付证书文件的密码(默认为商户号)
 	 * @param deviceInfo
-	 *            微信支付分配的设备号(V3商户平台版 非必须)
+	 *            微信支付分配的设备号(非必填)
 	 * @param partnerId
-	 *            财付通的商户号(V2版本必填)
-	 * @param partnerKey
-	 *            财付通商户权限密钥Key(V2版本必填)
+	 *            财付通的商户号(非必填)
+	 * @param subId
+	 *            微信分配的子商户公众账号ID(非必填)
+	 * @param subMchId
+	 *            微信支付分配的子商户号(非必填)
 	 */
 	@JSONCreator
-	public WeixinPayAccount(@JSONField(name = "id") String appId,
-			@JSONField(name = "secret") String appSecret,
+	public WeixinPayAccount(@JSONField(name = "id") String id,
+			@JSONField(name = "secret") String secret,
 			@JSONField(name = "paySignKey") String paySignKey,
 			@JSONField(name = "mchId") String mchId,
 			@JSONField(name = "certificateKey") String certificateKey,
-			@JSONField(name = "subMchId") String subMchId,
 			@JSONField(name = "deviceInfo") String deviceInfo,
 			@JSONField(name = "partnerId") String partnerId,
-			@JSONField(name = "partnerKey") String partnerKey) {
-		super(appId, appSecret);
+			@JSONField(name = "subId") String subId,
+			@JSONField(name = "subMchId") String subMchId) {
+		super(id, secret);
 		this.paySignKey = paySignKey;
 		this.mchId = mchId;
 		this.certificateKey = certificateKey;
-		this.subMchId = subMchId;
 		this.deviceInfo = deviceInfo;
 		this.partnerId = partnerId;
-		this.partnerKey = partnerKey;
+		this.subId = subId;
+		this.subMchId = subMchId;
 	}
 
 	public String getPaySignKey() {
 		return paySignKey;
 	}
 
-	public String getPartnerId() {
-		return partnerId;
-	}
-
-	public String getPartnerKey() {
-		return partnerKey;
-	}
-
 	public String getMchId() {
 		return mchId;
 	}
 
-	public String getSubMchId() {
-		return subMchId;
-	}
-
 	public String getDeviceInfo() {
 		return deviceInfo;
 	}
 
+	public void setDeviceInfo(String deviceInfo) {
+		this.deviceInfo = deviceInfo;
+	}
+
 	public String getCertificateKey() {
 		return StringUtil.isBlank(certificateKey) ? mchId : certificateKey;
 	}
 
+	public String getPartnerId() {
+		return partnerId;
+	}
+
+	public void setPartnerId(String partnerId) {
+		this.partnerId = partnerId;
+	}
+
+	public String getSubId() {
+		return subId;
+	}
+
+	public void setSubId(String subId) {
+		this.subId = subId;
+	}
+
+	public String getSubMchId() {
+		return subMchId;
+	}
+
+	public void setSubMchId(String subMchId) {
+		this.subMchId = subMchId;
+	}
+
 	@Override
 	public String toString() {
 		return "WeixinPayAccount [" + super.toString() + ", paySignKey="
-				+ paySignKey + ", partnerId=" + partnerId + ", partnerKey="
-				+ partnerKey + ", mchId=" + mchId + ", certificateKey="
-				+ getCertificateKey() + ", subMchId=" + subMchId
-				+ ", deviceInfo=" + deviceInfo + "]";
+				+ paySignKey + ", mchId=" + mchId + ", certificateKey="
+				+ certificateKey + ", deviceInfo=" + deviceInfo
+				+ ", partnerId=" + partnerId + ", subId=" + subId
+				+ ", subMchId=" + subMchId + "]";
 	}
 }
diff --git a/weixin4j-base/src/main/java/com/foxinmy/weixin4j/model/WeixinPayOldAccount.java b/weixin4j-base/src/main/java/com/foxinmy/weixin4j/model/WeixinPayOldAccount.java
new file mode 100644
index 00000000..e9c83a07
--- /dev/null
+++ b/weixin4j-base/src/main/java/com/foxinmy/weixin4j/model/WeixinPayOldAccount.java
@@ -0,0 +1,75 @@
+package com.foxinmy.weixin4j.model;
+
+import com.alibaba.fastjson.annotation.JSONCreator;
+import com.alibaba.fastjson.annotation.JSONField;
+
+/**
+ * 微信支付账户(2014年10月申请支付的老版本)
+ * 
+ * @className WeixinPayOldAccount
+ * @author jy
+ * @date 2015年6月26日
+ * @since JDK 1.6
+ * @see
+ */
+public class WeixinPayOldAccount extends WeixinAccount {
+
+	private static final long serialVersionUID = -2791256176906048632L;
+	/**
+	 * 公众号支付请求中用于加密的密钥 Key,可验证商户唯一身份,PaySignKey 对应于支付场景中的 appKey 值
+	 */
+	private String paySignKey;
+	/**
+	 * 财付通商户身份的标识
+	 */
+	private String partnerId;
+	/**
+	 * 财付通商户权限密钥Key
+	 */
+	private String partnerKey;
+
+	/**
+	 * 支付商户信息
+	 * 
+	 * @param appId
+	 *            公众号唯一的身份ID(必填)
+	 * @param appSecret
+	 *            调用接口的凭证(必填)
+	 * @param paySignKey
+	 *            支付密钥字符串(必填)
+	 * @param partnerId
+	 *            财付通的商户号(必填)
+	 * @param partnerKey
+	 *            财付通商户权限密钥Key(必填)
+	 */
+	@JSONCreator
+	public WeixinPayOldAccount(@JSONField(name = "id") String appId,
+			@JSONField(name = "secret") String appSecret,
+			@JSONField(name = "paySignKey") String paySignKey,
+			@JSONField(name = "partnerId") String partnerId,
+			@JSONField(name = "partnerKey") String partnerKey) {
+		super(appId, appSecret);
+		this.paySignKey = paySignKey;
+		this.partnerId = partnerId;
+		this.partnerKey = partnerKey;
+	}
+
+	public String getPaySignKey() {
+		return paySignKey;
+	}
+
+	public String getPartnerId() {
+		return partnerId;
+	}
+
+	public String getPartnerKey() {
+		return partnerKey;
+	}
+
+	@Override
+	public String toString() {
+		return "WeixinPayOldAccount [" + super.toString() + ", paySignKey="
+				+ paySignKey + ", partnerId=" + partnerId + ", partnerKey="
+				+ partnerKey + "]";
+	}
+}
diff --git a/weixin4j-base/src/main/java/com/foxinmy/weixin4j/payment/MicroPayPackage.java b/weixin4j-base/src/main/java/com/foxinmy/weixin4j/payment/MicroPayPackage.java
index 16ae45ec..82186f28 100644
--- a/weixin4j-base/src/main/java/com/foxinmy/weixin4j/payment/MicroPayPackage.java
+++ b/weixin4j-base/src/main/java/com/foxinmy/weixin4j/payment/MicroPayPackage.java
@@ -43,6 +43,18 @@ public class MicroPayPackage extends PayPackage {
 	@XmlElement(name = "device_info")
 	@JSONField(name = "device_info")
 	private String deviceInfo;
+	/**
+	 * 微信分配的子商户公众账号ID 非必须
+	 */
+	@XmlElement(name = "sub_id")
+	@JSONField(name = "sub_id")
+	private String subId;
+	/**
+	 * 微信支付分配的子商户号 非必须
+	 */
+	@XmlElement(name = "sub_mch_id")
+	@JSONField(name = "sub_mch_id")
+	private String subMchId;
 	/**
 	 * 随机字符串,不长于 32 位 必须
 	 */
@@ -70,22 +82,72 @@ public class MicroPayPackage extends PayPackage {
 		// jaxb required
 	}
 
+	/**
+	 * 
+	 * @param weixinAccount
+	 *            商户信息
+	 * @param authCode
+	 *            授权码
+	 * @param body
+	 *            支付详情
+	 * @param totalFee
+	 *            支付金额(单位元) 必填
+	 * @param createIp
+	 *            发起支付的IP地址
+	 */
 	public MicroPayPackage(WeixinPayAccount weixinAccount, String authCode,
 			String body, String outTradeNo, double totalFee, String createIp) {
 		this(weixinAccount.getId(), weixinAccount.getMchId(), weixinAccount
-				.getDeviceInfo(), authCode, body, outTradeNo, totalFee,
-				createIp, null, null, null, null, null);
+				.getDeviceInfo(), weixinAccount.getSubId(), weixinAccount
+				.getSubMchId(), authCode, body, outTradeNo, totalFee, createIp,
+				null, null, null, null, null);
 	}
 
+	/**
+	 * 完整参数
+	 * 
+	 * @param appId
+	 *            公众号唯一标识 必填
+	 * @param mchId
+	 *            微信支付商户号 必填
+	 * @param deviceInfo
+	 *            微信支付设备号 非必填
+	 * @param subId
+	 *            子商户唯一标识 非必填
+	 * @param subMchId
+	 *            子商户商户号 非必填
+	 * @param authCode
+	 *            授权码 必填
+	 * @param body
+	 *            支付详情 必填
+	 * @param outTradeNo
+	 *            商户侧订单号 必填
+	 * @param totalFee
+	 *            支付金额(单位元) 必填
+	 * @param createIp
+	 *            发起支付的IP地址 必填
+	 * @param attach
+	 *            支付时附加信息 非必填
+	 * @param timeStart
+	 *            订单生成时间 非必填
+	 * @param timeExpire
+	 *            订单失效时间 非必填
+	 * @param goodsTag
+	 *            商品标记 非必填
+	 * @param limitPay
+	 *            指定支付方式 非必填
+	 */
 	public MicroPayPackage(String appId, String mchId, String deviceInfo,
-			String authCode, String body, String outTradeNo, double totalFee,
-			String createIp, String attach, Date timeStart, Date timeExpire,
-			String goodsTag, String limitPay) {
+			String subId, String subMchId, String authCode, String body,
+			String outTradeNo, double totalFee, String createIp, String attach,
+			Date timeStart, Date timeExpire, String goodsTag, String limitPay) {
 		super(body, outTradeNo, totalFee, null, createIp, null, timeStart,
 				timeExpire, goodsTag);
 		this.appId = appId;
 		this.mchId = mchId;
 		this.deviceInfo = deviceInfo;
+		this.subId = subId;
+		this.subMchId = subMchId;
 		this.nonceStr = RandomUtil.generateString(16);
 		this.authCode = authCode;
 		this.limitPay = limitPay;
@@ -134,8 +196,9 @@ public class MicroPayPackage extends PayPackage {
 	@Override
 	public String toString() {
 		return "MicroPayPackage [appId=" + appId + ", mchId=" + mchId
-				+ ", deviceInfo=" + deviceInfo + ", nonceStr=" + nonceStr
-				+ ", sign=" + sign + ", authCode=" + authCode + ", "
-				+ super.toString() + "]";
+				+ ", deviceInfo=" + deviceInfo + ", subId=" + subId
+				+ ", subMchId=" + subMchId + ", nonceStr=" + nonceStr
+				+ ", sign=" + sign + ", authCode=" + authCode + ", limitPay="
+				+ limitPay + ", " + super.toString() + "]";
 	}
 }
diff --git a/weixin4j-base/src/main/java/com/foxinmy/weixin4j/payment/PayRequest.java b/weixin4j-base/src/main/java/com/foxinmy/weixin4j/payment/PayRequest.java
index cdd48b7a..785120b9 100644
--- a/weixin4j-base/src/main/java/com/foxinmy/weixin4j/payment/PayRequest.java
+++ b/weixin4j-base/src/main/java/com/foxinmy/weixin4j/payment/PayRequest.java
@@ -61,16 +61,9 @@ public class PayRequest extends PayBaseInfo {
 		this.prepayId = prepayId;
 	}
 
-	public String getPartnerId() {
-		return partnerId;
-	}
-
-	public void setPartnerId(String partnerId) {
-		this.partnerId = partnerId;
-	}
-
 	@Override
 	public String toString() {
-		return "package" + packageInfo + ", " + super.toString();
+		return "package" + packageInfo + ", prepayId=" + prepayId
+				+ super.toString();
 	}
 }
diff --git a/weixin4j-base/src/main/java/com/foxinmy/weixin4j/payment/WeixinPayProxy.java b/weixin4j-base/src/main/java/com/foxinmy/weixin4j/payment/WeixinPayProxy.java
index e15e2765..f5c95b83 100644
--- a/weixin4j-base/src/main/java/com/foxinmy/weixin4j/payment/WeixinPayProxy.java
+++ b/weixin4j-base/src/main/java/com/foxinmy/weixin4j/payment/WeixinPayProxy.java
@@ -8,7 +8,7 @@ import java.util.Date;
 
 import com.foxinmy.weixin4j.api.CashApi;
 import com.foxinmy.weixin4j.api.CouponApi;
-import com.foxinmy.weixin4j.api.Pay3Api;
+import com.foxinmy.weixin4j.api.PayApi;
 import com.foxinmy.weixin4j.exception.WeixinException;
 import com.foxinmy.weixin4j.exception.WeixinPayException;
 import com.foxinmy.weixin4j.http.weixin.XmlResult;
@@ -50,7 +50,7 @@ public class WeixinPayProxy {
 	/**
 	 * 微信支付API:js支付、扫码支付等接口
 	 */
-	private final Pay3Api pay3Api;
+	private final PayApi pay3Api;
 	/**
 	 * 代金券API
 	 */
@@ -79,7 +79,7 @@ public class WeixinPayProxy {
 	 */
 	public WeixinPayProxy(Weixin4jSettings settings) {
 		this.settings = settings;
-		this.pay3Api = new Pay3Api(settings.getWeixinPayAccount());
+		this.pay3Api = new PayApi(settings.getWeixinPayAccount());
 		this.couponApi = new CouponApi(settings.getWeixinPayAccount());
 		this.cashApi = new CashApi(settings.getWeixinPayAccount());
 	}
@@ -100,7 +100,7 @@ public class WeixinPayProxy {
 	 * 
 	 * @param payPackage
 	 *            包含订单信息的对象
-	 * @see com.foxinmy.weixin4j.api.Pay3Api
+	 * @see com.foxinmy.weixin4j.api.PayApi
 	 * @see com.foxinmy.weixin4j.payment.mch.MchPayPackage
 	 * @see com.foxinmy.weixin4j.payment.mch.PrePay
 	 * @see <a
@@ -118,7 +118,7 @@ public class WeixinPayProxy {
 	 * @param payPackage
 	 *            支付详情
 	 * @return 支付请求对象
-	 * @see com.foxinmy.weixin4j.api.Pay3Api
+	 * @see com.foxinmy.weixin4j.api.PayApi
 	 * @see com.foxinmy.weixin4j.payment.mch.JSAPIPayRequest JS支付
 	 * @see com.foxinmy.weixin4j.payment.mch.NATIVEPayRequest 扫码支付
 	 * @see com.foxinmy.weixin4j.payment.mch.APPPayRequest APP支付
@@ -161,7 +161,7 @@ public class WeixinPayProxy {
 	 *            商品标记，代金券或立减优惠功能的参数 非必填项
 	 * @param limitPay
 	 *            指定支付方式:no_credit--指定不能使用信用卡支付 非必填项
-	 * @see com.foxinmy.weixin4j.api.Pay3Api
+	 * @see com.foxinmy.weixin4j.api.PayApi
 	 * @see com.foxinmy.weixin4j.payment.mch.JSAPIPayRequest JS支付
 	 * @see com.foxinmy.weixin4j.payment.mch.NATIVEPayRequest 扫码支付
 	 * @see com.foxinmy.weixin4j.payment.mch.APPPayRequest APP支付
@@ -193,7 +193,7 @@ public class WeixinPayProxy {
 	 *            支付通知地址
 	 * @param createIp
 	 *            ip地址
-	 * @see com.foxinmy.weixin4j.api.Pay3Api
+	 * @see com.foxinmy.weixin4j.api.PayApi
 	 * @see com.foxinmy.weixin4j.payment.mch.JSAPIPayRequest
 	 * @return JSAPI支付对象
 	 * @throws WeixinPayException
@@ -220,7 +220,7 @@ public class WeixinPayProxy {
 	 *            当前访问页的URL
 	 * @param oauthToken
 	 *            oauth授权时产生的token
-	 * @see com.foxinmy.weixin4j.api.Pay3Api
+	 * @see com.foxinmy.weixin4j.api.PayApi
 	 * @see <a
 	 *      href="https://pay.weixin.qq.com/wiki/doc/api/jsapi.php?chapter=7_8&index=7">收货地址共享</a>
 	 * @return 编辑地址请求JSON串
@@ -235,7 +235,7 @@ public class WeixinPayProxy {
 	 * @param productId
 	 *            与订单ID等价
 	 * @return 支付链接
-	 * @see com.foxinmy.weixin4j.api.Pay3Api
+	 * @see com.foxinmy.weixin4j.api.PayApi
 	 * @see <a href="http://pay.weixin.qq.com/wiki/doc/api/native.php">扫码支付</a>
 	 * @see <a
 	 *      href="https://pay.weixin.qq.com/wiki/doc/api/native.php?chapter=6_4">模式一</a>
@@ -260,7 +260,7 @@ public class WeixinPayProxy {
 	 * @param createIp
 	 *            订单生成的机器 IP
 	 * @return Native回调对象
-	 * @see com.foxinmy.weixin4j.api.Pay3Api
+	 * @see com.foxinmy.weixin4j.api.PayApi
 	 * @see com.foxinmy.weixin4j.payment.mch.NativePayResponse
 	 * @see <a href="http://pay.weixin.qq.com/wiki/doc/api/native.php">扫码支付</a>
 	 * @see <a
@@ -290,7 +290,7 @@ public class WeixinPayProxy {
 	 * @param createIp
 	 *            订单生成的机器 IP
 	 * @return Native支付对象
-	 * @see com.foxinmy.weixin4j.api.Pay3Api
+	 * @see com.foxinmy.weixin4j.api.PayApi
 	 * @see com.foxinmy.weixin4j.payment.mch.NATIVEPayRequest
 	 * @see <a href="http://pay.weixin.qq.com/wiki/doc/api/native.php">扫码支付</a>
 	 * @see <a
@@ -318,7 +318,7 @@ public class WeixinPayProxy {
 	 * @param createIp
 	 *            订单生成的机器 IP
 	 * @return APP支付对象
-	 * @see com.foxinmy.weixin4j.api.Pay3Api
+	 * @see com.foxinmy.weixin4j.api.PayApi
 	 * @see com.foxinmy.weixin4j.payment.mch.APPPayRequest
 	 * @see <a
 	 *      href="https://pay.weixin.qq.com/wiki/doc/api/app.php?chapter=8_1">APP支付</a>
@@ -345,7 +345,7 @@ public class WeixinPayProxy {
 	 * @param createIp
 	 *            订单生成的机器 IP
 	 * @return WAP支付对象
-	 * @see com.foxinmy.weixin4j.api.Pay3Api
+	 * @see com.foxinmy.weixin4j.api.PayApi
 	 * @see com.foxinmy.weixin4j.payment.mch.WAPPayRequest
 	 * @see <a
 	 *      href="https://pay.weixin.qq.com/wiki/doc/api/wap.php?chapter=15_1">WAP支付</a>
@@ -372,7 +372,7 @@ public class WeixinPayProxy {
 	 * @param createIp
 	 *            订单生成的机器 IP
 	 * @return 支付的订单信息
-	 * @see com.foxinmy.weixin4j.api.Pay3Api
+	 * @see com.foxinmy.weixin4j.api.PayApi
 	 * @see {@link #createMicroPay(MicroPayPackage)}
 	 * @throws WeixinException
 	 */
@@ -389,7 +389,7 @@ public class WeixinPayProxy {
 	 *            订单信息
 	 * @return 支付的订单信息
 	 * @throws WeixinException
-	 * @see com.foxinmy.weixin4j.api.Pay3Api
+	 * @see com.foxinmy.weixin4j.api.PayApi
 	 * @see com.foxinmy.weixin4j.payment.MicroPayPackage
 	 * @see com.foxinmy.weixin4j.payment.mch.Order
 	 * @see <a
@@ -412,7 +412,7 @@ public class WeixinPayProxy {
 	 *            transaction_id> out_trade_no
 	 * @since V3
 	 * @see com.foxinmy.weixin4j.payment.mch.Order
-	 * @see com.foxinmy.weixin4j.api.Pay3Api
+	 * @see com.foxinmy.weixin4j.api.PayApi
 	 * @see <a
 	 *      href="http://pay.weixin.qq.com/wiki/doc/api/jsapi.php?chapter=9_2">订单查询API</a>
 	 * @return 订单详情
@@ -452,7 +452,7 @@ public class WeixinPayProxy {
 	 * 
 	 * @return 退款申请结果
 	 * @see com.foxinmy.weixin4j.payment.mch.RefundResult
-	 * @see com.foxinmy.weixin4j.api.Pay3Api
+	 * @see com.foxinmy.weixin4j.api.PayApi
 	 * @see <a
 	 *      href="http://pay.weixin.qq.com/wiki/doc/api/jsapi.php?chapter=9_4">申请退款API</a>
 	 * @since V3
@@ -492,7 +492,7 @@ public class WeixinPayProxy {
 	 *            四个参数必填一个,优先级为:
 	 *            refund_id>out_refund_no>transaction_id>out_trade_no
 	 * @return 退款记录
-	 * @see com.foxinmy.weixin4j.api.Pay3Api
+	 * @see com.foxinmy.weixin4j.api.PayApi
 	 * @see com.foxinmy.weixin4j.payment.mch.RefundRecord
 	 * @see <a
 	 *      href="http://pay.weixin.qq.com/wiki/doc/api/jsapi.php?chapter=9_5">退款查询API</a>
@@ -517,7 +517,7 @@ public class WeixinPayProxy {
 	 *            REFUND,返回当日退款订单
 	 * @return excel表格
 	 * @since V2 & V3
-	 * @see com.foxinmy.weixin4j.api.Pay3Api
+	 * @see com.foxinmy.weixin4j.api.PayApi
 	 * @see <a
 	 *      href="http://pay.weixin.qq.com/wiki/doc/api/jsapi.php?chapter=9_6">下载对账单API</a>
 	 * @throws WeixinException
@@ -539,7 +539,7 @@ public class WeixinPayProxy {
 	 *            商户系统内部的订单号, transaction_id 、 out_trade_no 二选一,如果同时存在优先级:
 	 *            transaction_id> out_trade_no
 	 * @return 撤销结果
-	 * @see com.foxinmy.weixin4j.api.Pay3Api
+	 * @see com.foxinmy.weixin4j.api.PayApi
 	 * @since V3
 	 * @throws WeixinException
 	 */
@@ -574,7 +574,7 @@ public class WeixinPayProxy {
 	 * @param outTradeNo
 	 *            商户系统内部的订单号
 	 * @return 执行结果
-	 * @see com.foxinmy.weixin4j.api.Pay3Api
+	 * @see com.foxinmy.weixin4j.api.PayApi
 	 * @since V3
 	 * @throws WeixinException
 	 * @see <a
@@ -591,7 +591,7 @@ public class WeixinPayProxy {
 	 * @param url
 	 *            具有native标识的支付URL
 	 * @return 转换后的短链接
-	 * @see com.foxinmy.weixin4j.api.Pay3Api
+	 * @see com.foxinmy.weixin4j.api.PayApi
 	 * @see <a
 	 *      href="http://pay.weixin.qq.com/wiki/doc/api/jsapi.php?chapter=9_9">转换短链接API</a>
 	 * @since V3
@@ -618,7 +618,7 @@ public class WeixinPayProxy {
 	 * @param returnXml
 	 *            调用接口返回的基本数据
 	 * @return 处理结果
-	 * @see com.foxinmy.weixin4j.api.Pay3Api
+	 * @see com.foxinmy.weixin4j.api.PayApi
 	 * @see <a
 	 *      href="http://pay.weixin.qq.com/wiki/doc/api/jsapi.php?chapter=9_8">接口测试上报API</a>
 	 * @throws WeixinException
diff --git a/weixin4j-base/src/main/java/com/foxinmy/weixin4j/payment/mch/APPPayRequest.java b/weixin4j-base/src/main/java/com/foxinmy/weixin4j/payment/mch/APPPayRequest.java
index 69a8d174..881b3a24 100644
--- a/weixin4j-base/src/main/java/com/foxinmy/weixin4j/payment/mch/APPPayRequest.java
+++ b/weixin4j-base/src/main/java/com/foxinmy/weixin4j/payment/mch/APPPayRequest.java
@@ -19,7 +19,6 @@ import com.foxinmy.weixin4j.util.MapUtil;
  *      href="https://pay.weixin.qq.com/wiki/doc/api/app.php?chapter=8_1">APP支付</a>
  */
 public class APPPayRequest extends AbstractPayRequest {
-
 	public APPPayRequest(String prePayId, WeixinPayAccount payAccount) {
 		super(prePayId, payAccount);
 	}
@@ -37,7 +36,6 @@ public class APPPayRequest extends AbstractPayRequest {
 		PayRequest payRequest = new PayRequest(getPayAccount().getId(),
 				"Sign=WXPay");
 		payRequest.setPrepayId(getPrePayId());
-		payRequest.setPartnerId(getPayAccount().getPartnerId());
 		return payRequest;
 	}
 
@@ -53,7 +51,7 @@ public class APPPayRequest extends AbstractPayRequest {
 		content.append(String.format("<appid><![CDATA[%s]]></appid>",
 				payRequest.getAppId()));
 		content.append(String.format("<partnerid><![CDATA[%s]]></partnerid>",
-				payRequest.getPartnerId()));
+				getPayAccount().getPartnerId()));
 		content.append(String.format("<prepayid><![CDATA[%s]]></prepayid>",
 				payRequest.getPrepayId()));
 		content.append(String.format("<package><![CDATA[%s]]></package>",
diff --git a/weixin4j-base/src/main/java/com/foxinmy/weixin4j/payment/mch/ApiResult.java b/weixin4j-base/src/main/java/com/foxinmy/weixin4j/payment/mch/ApiResult.java
index a1d4e364..e8efa7c7 100644
--- a/weixin4j-base/src/main/java/com/foxinmy/weixin4j/payment/mch/ApiResult.java
+++ b/weixin4j-base/src/main/java/com/foxinmy/weixin4j/payment/mch/ApiResult.java
@@ -36,7 +36,13 @@ public class ApiResult extends XmlResult {
 	@JSONField(name = "mch_id")
 	private String mchId;
 	/**
-	 * 代理模式下分配的商户号 可能为空
+	 * 微信分配的子商户公众账号ID 非必须
+	 */
+	@XmlElement(name = "sub_id")
+	@JSONField(name = "sub_id")
+	private String subId;
+	/**
+	 * 微信支付分配的子商户号 非必须
 	 */
 	@XmlElement(name = "sub_mch_id")
 	@JSONField(name = "sub_mch_id")
@@ -86,6 +92,14 @@ public class ApiResult extends XmlResult {
 		this.mchId = mchId;
 	}
 
+	public String getSubId() {
+		return subId;
+	}
+
+	public void setSubId(String subId) {
+		this.subId = subId;
+	}
+
 	public String getSubMchId() {
 		return subMchId;
 	}
@@ -133,9 +147,9 @@ public class ApiResult extends XmlResult {
 
 	@Override
 	public String toString() {
-		return "appId=" + appId + ", mchId=" + mchId + ", subMchId=" + subMchId
-				+ ", nonceStr=" + nonceStr + ", sign=" + sign + ", deviceInfo="
-				+ deviceInfo + ", recall=" + getFormatRecall() + ", "
-				+ super.toString();
+		return "appId=" + appId + ", mchId=" + mchId + ", subId=" + subId
+				+ ", subMchId=" + subMchId + ", nonceStr=" + nonceStr
+				+ ", sign=" + sign + ", deviceInfo=" + deviceInfo + ", recall="
+				+ getFormatRecall() + ", " + super.toString();
 	}
 }
diff --git a/weixin4j-base/src/main/java/com/foxinmy/weixin4j/payment/mch/MchPayPackage.java b/weixin4j-base/src/main/java/com/foxinmy/weixin4j/payment/mch/MchPayPackage.java
index 96272cfe..cf7bbb6d 100644
--- a/weixin4j-base/src/main/java/com/foxinmy/weixin4j/payment/mch/MchPayPackage.java
+++ b/weixin4j-base/src/main/java/com/foxinmy/weixin4j/payment/mch/MchPayPackage.java
@@ -14,7 +14,7 @@ import com.foxinmy.weixin4j.type.TradeType;
 import com.foxinmy.weixin4j.util.RandomUtil;
 
 /**
- * JS支付订单详情
+ * 支付订单详情
  * 
  * @className MchPayPackage
  * @author jy
@@ -46,6 +46,24 @@ public class MchPayPackage extends PayPackage {
 	@XmlElement(name = "device_info")
 	@JSONField(name = "device_info")
 	private String deviceInfo;
+	/**
+	 * 微信分配的子商户公众账号ID 非必须
+	 */
+	@XmlElement(name = "sub_id")
+	@JSONField(name = "sub_id")
+	private String subId;
+	/**
+	 * 微信支付分配的子商户号 非必须
+	 */
+	@XmlElement(name = "sub_mch_id")
+	@JSONField(name = "sub_mch_id")
+	private String subMchId;
+	/**
+	 * 用户子标识 非必须
+	 */
+	@XmlElement(name = "sub_openid")
+	@JSONField(name = "sub_openid")
+	private String subOpenId;
 	/**
 	 * 随机字符串,不长于 32 位 必须
 	 */
@@ -85,6 +103,25 @@ public class MchPayPackage extends PayPackage {
 		// jaxb required
 	}
 
+	/**
+	 * 
+	 * @param weixinAccount
+	 *            商户信息 必填
+	 * @param openId
+	 *            用户唯一标识 JSAPI支付必填
+	 * @param body
+	 *            支付详情 必填
+	 * @param outTradeNo
+	 *            商户侧订单号 必填
+	 * @param totalFee
+	 *            支付金额(单位元) 必填
+	 * @param notifyUrl
+	 *            支付回调URL
+	 * @param createIp
+	 *            发起支付的IP地址
+	 * @param tradeType
+	 *            支付类型
+	 */
 	public MchPayPackage(WeixinPayAccount weixinAccount, String openId,
 			String body, String outTradeNo, double totalFee, String notifyUrl,
 			String createIp, TradeType tradeType) {
@@ -92,17 +129,83 @@ public class MchPayPackage extends PayPackage {
 				createIp, tradeType, null);
 	}
 
+	/**
+	 * 
+	 * @param weixinAccount
+	 *            商户信息 必填
+	 * @param openId
+	 *            用户唯一标识 JSAPI支付必填
+	 * @param body
+	 *            支付详情 必填
+	 * @param outTradeNo
+	 *            商户侧订单号 必填
+	 * @param totalFee
+	 *            支付金额(单位元) 必填
+	 * @param notifyUrl
+	 *            支付回调URL
+	 * @param createIp
+	 *            发起支付的IP地址
+	 * @param tradeType
+	 *            支付类型
+	 * @param attach
+	 *            支付时附加信息
+	 */
 	public MchPayPackage(WeixinPayAccount weixinAccount, String openId,
 			String body, String outTradeNo, double totalFee, String notifyUrl,
 			String createIp, TradeType tradeType, String attach) {
 		this(weixinAccount.getId(), weixinAccount.getMchId(), weixinAccount
-				.getDeviceInfo(), body, outTradeNo, totalFee, notifyUrl,
+				.getDeviceInfo(), weixinAccount.getSubId(), weixinAccount
+				.getSubMchId(), null, body, outTradeNo, totalFee, notifyUrl,
 				createIp, tradeType, openId, attach, null, null, null, null,
 				null);
 	}
 
+	/**
+	 * 完整参数
+	 * 
+	 * @param appId
+	 *            公众号唯一标识 必填
+	 * @param mchId
+	 *            微信支付商户号 必填
+	 * @param deviceInfo
+	 *            微信支付设备号 非必填
+	 * @param subId
+	 *            子商户唯一标识 非必填
+	 * @param subMchId
+	 *            子商户商户号 非必填
+	 * @param subOpenId
+	 *            用户在子商户appid下的唯一标识 非必填
+	 *            openid和sub_openid可以选传其中之一，如果选择传sub_openid ,则必须传sub_appid
+	 * @param body
+	 *            支付详情 必填
+	 * @param outTradeNo
+	 *            商户侧订单号 必填
+	 * @param totalFee
+	 *            支付金额(单位元) 必填
+	 * @param notifyUrl
+	 *            支付回调URL 必填
+	 * @param createIp
+	 *            发起支付的IP地址 必填
+	 * @param tradeType
+	 *            支付类型 必填
+	 * @param openId
+	 *            用户唯一标识 JSAPI支付必填
+	 * @param attach
+	 *            支付时附加信息 非必填
+	 * @param timeStart
+	 *            订单生成时间 非必填
+	 * @param timeExpire
+	 *            订单失效时间 非必填
+	 * @param goodsTag
+	 *            商品标记 非必填
+	 * @param productId
+	 *            商品ID native支付必填
+	 * @param limitPay
+	 *            指定支付方式 非必填
+	 */
 	public MchPayPackage(String appId, String mchId, String deviceInfo,
-			String body, String outTradeNo, double totalFee, String notifyUrl,
+			String subId, String subMchId, String subOpenId, String body,
+			String outTradeNo, double totalFee, String notifyUrl,
 			String createIp, TradeType tradeType, String openId, String attach,
 			Date timeStart, Date timeExpire, String goodsTag, String productId,
 			String limitPay) {
@@ -111,6 +214,9 @@ public class MchPayPackage extends PayPackage {
 		this.appId = appId;
 		this.mchId = mchId;
 		this.deviceInfo = deviceInfo;
+		this.subId = subId;
+		this.subMchId = subMchId;
+		this.subOpenId = subOpenId;
 		this.nonceStr = RandomUtil.generateString(16);
 		this.tradeType = tradeType.name();
 		this.openId = openId;
@@ -169,9 +275,10 @@ public class MchPayPackage extends PayPackage {
 	@Override
 	public String toString() {
 		return "MchPayPackage [appId=" + appId + ", mchId=" + mchId
-				+ ", deviceInfo=" + deviceInfo + ", nonceStr=" + nonceStr
-				+ ", sign=" + sign + ", tradeType=" + tradeType + ", openId="
-				+ openId + ", productId=" + productId + ", " + super.toString()
-				+ "]";
+				+ ", deviceInfo=" + deviceInfo + ", subId=" + subId
+				+ ", subMchId=" + subMchId + ", subOpenId=" + subOpenId
+				+ ", nonceStr=" + nonceStr + ", sign=" + sign + ", tradeType="
+				+ tradeType + ", openId=" + openId + ", productId=" + productId
+				+ ", limitPay=" + limitPay + ", " + super.toString() + "]";
 	}
 }
diff --git a/weixin4j-base/src/main/java/com/foxinmy/weixin4j/payment/mch/Order.java b/weixin4j-base/src/main/java/com/foxinmy/weixin4j/payment/mch/Order.java
index e12c4353..5136ae6e 100644
--- a/weixin4j-base/src/main/java/com/foxinmy/weixin4j/payment/mch/Order.java
+++ b/weixin4j-base/src/main/java/com/foxinmy/weixin4j/payment/mch/Order.java
@@ -18,7 +18,7 @@ import com.foxinmy.weixin4j.util.DateUtil;
 import com.foxinmy.weixin4j.xml.ListsuffixResult;
 
 /**
- * V3订单信息
+ * 订单信息
  * 
  * @className Order
  * @author jy
@@ -131,6 +131,19 @@ public class Order extends ApiResult {
 	@JSONField(name = "trade_state_desc")
 	private String tradeStateDesc;
 
+	/**
+	 * 用户在子商户下的openid
+	 */
+	@XmlElement(name = "sub_openid")
+	@JSONField(name = "sub_openid")
+	private String subOpenId;
+	/**
+	 * 是否关注子公众账号,Y- 关注,N-未关注,仅在公众 账号类型支付有效
+	 */
+	@XmlElement(name = "sub_is_subscribe")
+	@JSONField(name = "sub_is_subscribe")
+	private String subIsSubscribe;
+
 	protected Order() {
 		// jaxb required
 	}
@@ -267,6 +280,19 @@ public class Order extends ApiResult {
 		this.couponList = couponList;
 	}
 
+	public String getSubOpenId() {
+		return subOpenId;
+	}
+
+	public String getSubIsSubscribe() {
+		return subIsSubscribe;
+	}
+
+	@JSONField(serialize = false)
+	public boolean getFormatSubIsSubscribe() {
+		return subIsSubscribe != null && subIsSubscribe.equalsIgnoreCase("y");
+	}
+
 	@Override
 	public String toString() {
 		return "Order [tradeState=" + tradeState + ", openId=" + openId
@@ -278,7 +304,8 @@ public class Order extends ApiResult {
 				+ getFormatCouponFee() + ", couponCount=" + couponCount
 				+ ", couponList=" + couponList + ", cashFee="
 				+ getFormatCashFee() + ", timeEnd=" + getFormatTimeEnd()
-				+ ", tradeStateDesc=" + tradeStateDesc + ", "
+				+ ", tradeStateDesc=" + tradeStateDesc + ", subOpenId="
+				+ subOpenId + ", subIsSubscribe=" + subIsSubscribe
 				+ super.toString() + "]";
 	}
 }
diff --git a/weixin4j-base/src/main/java/com/foxinmy/weixin4j/payment/mch/Redpacket.java b/weixin4j-base/src/main/java/com/foxinmy/weixin4j/payment/mch/Redpacket.java
index 3cea660d..079dce00 100644
--- a/weixin4j-base/src/main/java/com/foxinmy/weixin4j/payment/mch/Redpacket.java
+++ b/weixin4j-base/src/main/java/com/foxinmy/weixin4j/payment/mch/Redpacket.java
@@ -8,7 +8,9 @@ import javax.xml.bind.annotation.XmlElement;
 import javax.xml.bind.annotation.XmlRootElement;
 
 import com.alibaba.fastjson.annotation.JSONField;
+import com.foxinmy.weixin4j.model.WeixinPayAccount;
 import com.foxinmy.weixin4j.util.DateUtil;
+import com.foxinmy.weixin4j.util.RandomUtil;
 
 /**
  * 红包
@@ -27,12 +29,53 @@ import com.foxinmy.weixin4j.util.DateUtil;
 public class Redpacket implements Serializable {
 
 	private static final long serialVersionUID = -7021352305575714281L;
+	/**
+	 * 微信分配的公众账号 ID商户号 非空
+	 */
+	@XmlElement(name = "wxappid")
+	@JSONField(name = "wxappid")
+	private String appId;
+	/**
+	 * 微信支付分配的商户号 非空
+	 */
+	@XmlElement(name = "mch_id")
+	@JSONField(name = "mch_id")
+	private String mchId;
+	/**
+	 * 微信支付分配的子商户号 非必须
+	 */
+	@XmlElement(name = "sub_mch_id")
+	@JSONField(name = "sub_mch_id")
+	private String subMchId;
+	/**
+	 * 服务商模式下触达用户时的appid(可填服务商自己的appid或子商户的appid)，服务商模式下必填，
+	 * 服务商模式下填入的子商户appid必须在微信支付商户平台中先录入，否则会校验不过。 非必须
+	 */
+	@XmlElement(name = "msgappid")
+	@JSONField(name = "msgappid")
+	private String subMsgId;
+	/**
+	 * 扣钱方mchid,常规模式下无效，服务商模式下选填，服务商模式下不填默认扣子商户的钱.非必须
+	 */
+	@XmlElement(name = "consume_mch_id")
+	@JSONField(name = "consume_mch_id")
+	private String consumeMchId;
 	/**
 	 * 商户订单号（每个订单号必须唯一） 组成： mch_id+yyyymmdd+10位一天内不能重复的数字。
 	 */
 	@XmlElement(name = "mch_billno")
 	@JSONField(name = "mch_billno")
 	private String outTradeNo;
+	/**
+	 * 随机字符串,不长于 32 位 必须
+	 */
+	@XmlElement(name = "nonce_str")
+	@JSONField(name = "nonce_str")
+	private String nonceStr;
+	/**
+	 * 签名 <font color="red">调用者无需关心</font>
+	 */
+	private String sign;
 	/**
 	 * 红包发送者名称 必填
 	 */
@@ -92,23 +135,83 @@ public class Redpacket implements Serializable {
 	 * 红包
 	 * 
 	 * @param outTradeNo
-	 *            商户侧一天内不可重复的订单号 接口根据商户订单号支持重入 如出现超时可再调用
+	 *            商户侧一天内不可重复的订单号 接口根据商户订单号支持重入 如出现超时可再调用 必填
 	 * @param sendName
-	 *            红包发送者名称
+	 *            红包发送者名称 必填
 	 * @param openid
-	 *            接受收红包的用户的openid
+	 *            接受收红包的用户的openid 必填
 	 * @param totalAmount
-	 *            付款金额 <font color="red">单位为元,自动格式化为分</font>
+	 *            付款金额 <font color="red">单位为元,自动格式化为分</font> 必填
 	 * @param totalNum
-	 *            红包发放总人数 大于1视为裂变红包
+	 *            红包发放总人数 大于1视为裂变红包 必填
+	 * @param wishing
+	 *            红包祝福语 必填
+	 * @param clientIp
+	 *            Ip地址 必填
+	 * @param actName
+	 *            活动名称 必填
+	 * @param remark
+	 *            备注 必填
 	 */
-	public Redpacket(String outTradeNo, String sendName, String openid,
-			double totalAmount, int totalNum) {
+	public Redpacket(WeixinPayAccount payAccount, String outTradeNo,
+			String sendName, String openid, double totalAmount, int totalNum,
+			String wishing, String clientIp, String actName, String remark) {
+		this(payAccount.getId(), payAccount.getMchId(), payAccount
+				.getSubMchId(), null, null, outTradeNo, sendName, openid,
+				totalAmount, totalNum, wishing, clientIp, actName, remark);
+	}
+
+	/**
+	 * 红包 完整参数
+	 * 
+	 * @param appId
+	 *            公众号唯一标识 必填
+	 * @param mchId
+	 *            微信支付商户号 必填
+	 * @param subMchId
+	 *            子商户商户号 非必填
+	 * @param subMsgId
+	 *            触达用户appid 非必填
+	 * @param consumeMchId
+	 *            扣钱方mchid 非必填
+	 * @param outTradeNo
+	 *            商户侧一天内不可重复的订单号 接口根据商户订单号支持重入 如出现超时可再调用 必填
+	 * @param sendName
+	 *            红包发送者名称 必填
+	 * @param openid
+	 *            接受收红包的用户的openid 必填
+	 * @param totalAmount
+	 *            付款金额 <font color="red">单位为元,自动格式化为分</font> 必填
+	 * @param totalNum
+	 *            红包发放总人数 大于1视为裂变红包 必填
+	 * @param wishing
+	 *            红包祝福语 必填
+	 * @param clientIp
+	 *            Ip地址 必填
+	 * @param actName
+	 *            活动名称 必填
+	 * @param remark
+	 *            备注 必填
+	 */
+	public Redpacket(String appId, String mchId, String subMchId,
+			String subMsgId, String consumeMchId, String outTradeNo,
+			String sendName, String openid, double totalAmount, int totalNum,
+			String wishing, String clientIp, String actName, String remark) {
+		this.appId = appId;
+		this.mchId = mchId;
+		this.subMchId = subMchId;
+		this.subMsgId = subMsgId;
+		this.consumeMchId = consumeMchId;
 		this.outTradeNo = outTradeNo;
 		this.sendName = sendName;
 		this.openid = openid;
-		this.totalAmount = DateUtil.formaFee2Fen(totalAmount);
 		this.totalNum = totalNum;
+		this.wishing = wishing;
+		this.clientIp = clientIp;
+		this.actName = actName;
+		this.remark = remark;
+		this.nonceStr = RandomUtil.generateString(16);
+		this.totalAmount = DateUtil.formaFee2Fen(totalAmount);
 		this.amtType = totalNum > 1 ? "ALL_RAND" : null;
 	}
 
@@ -136,10 +239,6 @@ public class Redpacket implements Serializable {
 		return wishing;
 	}
 
-	public void setWishing(String wishing) {
-		this.wishing = wishing;
-	}
-
 	public String getAmtType() {
 		return amtType;
 	}
@@ -148,32 +247,31 @@ public class Redpacket implements Serializable {
 		return clientIp;
 	}
 
-	public void setClientIp(String clientIp) {
-		this.clientIp = clientIp;
-	}
-
 	public String getActName() {
 		return actName;
 	}
 
-	public void setActName(String actName) {
-		this.actName = actName;
-	}
-
 	public String getRemark() {
 		return remark;
 	}
 
-	public void setRemark(String remark) {
-		this.remark = remark;
+	public String getSign() {
+		return sign;
+	}
+
+	public void setSign(String sign) {
+		this.sign = sign;
 	}
 
 	@Override
 	public String toString() {
-		return "Redpacket [ sendName=" + sendName + ", openid=" + openid
-				+ ", amtType=" + amtType + ", totalAmount=" + totalAmount
-				+ ", totalNum=" + totalNum + ", wishing=" + wishing
+		return "Redpacket [appId=" + appId + ", mchId=" + mchId + ", subMchId="
+				+ subMchId + ", subMsgId=" + subMsgId + ", consumeMchId="
+				+ consumeMchId + ", outTradeNo=" + outTradeNo + ", nonceStr="
+				+ nonceStr + ", sendName=" + sendName + ", openid=" + openid
+				+ ", totalAmount=" + totalAmount + ", totalNum=" + totalNum
+				+ ", amtType=" + amtType + ", wishing=" + wishing
 				+ ", clientIp=" + clientIp + ", actName=" + actName
-				+ ", remark=" + remark + "]";
+				+ ", remark=" + remark + ", sign=" + sign + "]";
 	}
 }
diff --git a/weixin4j-base/src/test/java/com/foxinmy/weixin4j/base/test/CashTest.java b/weixin4j-base/src/test/java/com/foxinmy/weixin4j/base/test/CashTest.java
index c1d0f9d9..01f25a1e 100644
--- a/weixin4j-base/src/test/java/com/foxinmy/weixin4j/base/test/CashTest.java
+++ b/weixin4j-base/src/test/java/com/foxinmy/weixin4j/base/test/CashTest.java
@@ -26,21 +26,18 @@ public class CashTest extends PayTest {
 
 	@Test
 	public void sendRedpacket() throws WeixinException, IOException {
-		Redpacket redpacket = new Redpacket("HB001", "无忧钱庄",
-				"oyFLst1bqtuTcxK-ojF8hOGtLQao", 1d, 1);
-		redpacket.setActName("红包测试");
-		redpacket.setClientIp("127.0.0.1");
-		redpacket.setRemark("快来领取红包吧！");
-		redpacket.setWishing("来就送钱");
-		RedpacketSendResult result = PAY3.sendRedpack(new FileInputStream(
-				caFile), redpacket);
+		Redpacket redpacket = new Redpacket(ACCOUNT, "HB001", "无忧钱庄",
+				"oyFLst1bqtuTcxK-ojF8hOGtLQao", 1d, 1, "红包测试", "127.0.0.1",
+				"快来领取红包吧！", "来就送钱");
+		RedpacketSendResult result = PAY.sendRedpack(
+				new FileInputStream(caFile), redpacket);
 		System.err.println(result);
 	}
 
 	@Test
 	public void queryRedpacket() throws WeixinException, IOException {
 		String outTradeNo = "HB001";
-		RedpacketRecord record = PAY3.queryRedpack(new FileInputStream(caFile),
+		RedpacketRecord record = PAY.queryRedpack(new FileInputStream(caFile),
 				outTradeNo);
 		System.err.println(record);
 	}
@@ -50,14 +47,14 @@ public class CashTest extends PayTest {
 		CorpPayment payment = new CorpPayment("MP001",
 				"ofW1gwok9vZIyle0YbA-eQe83Uk8",
 				MPPaymentCheckNameType.NO_CHECK, "企业付款测试", 1d, "127.0.0.1");
-		CorpPaymentResult result = PAY3.corpPayment(
-				new FileInputStream(caFile), payment);
+		CorpPaymentResult result = PAY.corpPayment(new FileInputStream(caFile),
+				payment);
 		System.err.println(result);
 	}
 
 	@Test
 	public void mchPaymentQuery() throws WeixinException, IOException {
-		System.err.println(PAY3.queryCorpPayment(new FileInputStream(caFile),
+		System.err.println(PAY.queryCorpPayment(new FileInputStream(caFile),
 				"MP001"));
 	}
 }
diff --git a/weixin4j-base/src/test/java/com/foxinmy/weixin4j/base/test/CouponTest.java b/weixin4j-base/src/test/java/com/foxinmy/weixin4j/base/test/CouponTest.java
index 99801928..3ae8cb53 100644
--- a/weixin4j-base/src/test/java/com/foxinmy/weixin4j/base/test/CouponTest.java
+++ b/weixin4j-base/src/test/java/com/foxinmy/weixin4j/base/test/CouponTest.java
@@ -27,22 +27,22 @@ public class CouponTest extends PayTest {
 
 	@Test
 	public void sendCoupon() throws WeixinException, IOException {
-		String partnerTradeNo = String.format("%s%s%s", ACCOUNT3.getMchId(),
+		String partnerTradeNo = String.format("%s%s%s", ACCOUNT.getMchId(),
 				DateUtil.fortmat2yyyyMMdd(new Date()), "1");
-		CouponResult result = PAY3.sendCoupon(new FileInputStream(caFile),
+		CouponResult result = PAY.sendCoupon(new FileInputStream(caFile),
 				"123", partnerTradeNo, "oyFLst1bqtuTcxK-ojF8hOGtLQao", null);
 		Assert.assertTrue(result.getRetCode().equalsIgnoreCase(Consts.SUCCESS));
 	}
 
 	@Test
 	public void queryCouponStock() throws WeixinException {
-		CouponStock couponStock = PAY3.queryCouponStock("couponStockId");
+		CouponStock couponStock = PAY.queryCouponStock("couponStockId");
 		System.err.println(couponStock);
 	}
 
 	@Test
 	public void queryCouponDetail() throws WeixinException {
-		CouponDetail couponDetail = PAY3.queryCouponDetail("couponId");
+		CouponDetail couponDetail = PAY.queryCouponDetail("couponId");
 		System.err.println(couponDetail);
 	}
 }
diff --git a/weixin4j-base/src/test/java/com/foxinmy/weixin4j/base/test/PayTest.java b/weixin4j-base/src/test/java/com/foxinmy/weixin4j/base/test/PayTest.java
index ac1d9ce6..1c6a76f5 100644
--- a/weixin4j-base/src/test/java/com/foxinmy/weixin4j/base/test/PayTest.java
+++ b/weixin4j-base/src/test/java/com/foxinmy/weixin4j/base/test/PayTest.java
@@ -34,12 +34,11 @@ import com.foxinmy.weixin4j.util.Weixin4jSettings;
  * @see
  */
 public class PayTest {
-	protected final static WeixinPayProxy PAY3;
-	protected final static WeixinPayAccount ACCOUNT3;
+	protected final static WeixinPayProxy PAY;
+	protected final static WeixinPayAccount ACCOUNT;
 	static {
-		ACCOUNT3 = new WeixinPayAccount("appid", "appsecret", "paySignKey",
-				"mchid");
-		PAY3 = new WeixinPayProxy(new Weixin4jSettings(ACCOUNT3));
+		ACCOUNT = new WeixinPayAccount("appid", "paySignKey", "mchid");
+		PAY = new WeixinPayProxy(new Weixin4jSettings(ACCOUNT));
 	}
 	/**
 	 * 商户证书文件
@@ -48,13 +47,12 @@ public class PayTest {
 
 	@Test
 	public void orderQueryV3() throws WeixinException {
-		Order order = PAY3.orderQuery(new IdQuery("BY2016010800025",
+		Order order = PAY.orderQuery(new IdQuery("BY2016010800025",
 				IdType.TRADENO));
 		System.err.println(order);
 		String sign = order.getSign();
 		order.setSign(null);
-		String valiSign = DigestUtil
-				.paysignMd5(order, ACCOUNT3.getPaySignKey());
+		String valiSign = DigestUtil.paysignMd5(order, ACCOUNT.getPaySignKey());
 		System.err
 				.println(String.format("sign=%s,valiSign=%s", sign, valiSign));
 		Assert.assertEquals(valiSign, sign);
@@ -62,14 +60,14 @@ public class PayTest {
 
 	@Test
 	public void refundQueryV3() throws WeixinException {
-		com.foxinmy.weixin4j.payment.mch.RefundRecord record = PAY3
+		com.foxinmy.weixin4j.payment.mch.RefundRecord record = PAY
 				.refundQuery(new IdQuery("TT_1427183696238", IdType.TRADENO));
 		System.err.println(record);
 		// 这里的验证签名需要把details循环拼接
 		String sign = record.getSign();
 		record.setSign(null);
-		String valiSign = DigestUtil.paysignMd5(record,
-				ACCOUNT3.getPaySignKey());
+		String valiSign = DigestUtil
+				.paysignMd5(record, ACCOUNT.getPaySignKey());
 		System.err
 				.println(String.format("sign=%s,valiSign=%s", sign, valiSign));
 		Assert.assertEquals(valiSign, sign);
@@ -83,22 +81,22 @@ public class PayTest {
 		c.set(Calendar.MONTH, 2);
 		c.set(Calendar.DAY_OF_MONTH, 24);
 		System.err.println(c.getTime());
-		File file = PAY3.downloadBill(c.getTime(), null);
+		File file = PAY.downloadBill(c.getTime(), null);
 		System.err.println(file);
 	}
 
 	@Test
 	public void refundV3() throws WeixinException, IOException {
 		IdQuery idQuery = new IdQuery("TT_1427183696238", IdType.TRADENO);
-		com.foxinmy.weixin4j.payment.mch.RefundResult result = PAY3
-				.refundApply(new FileInputStream(caFile), idQuery, "TT_R"
-						+ System.currentTimeMillis(), 0.01d, 0.01d, null,
-						"10020674");
+		com.foxinmy.weixin4j.payment.mch.RefundResult result = PAY.refundApply(
+				new FileInputStream(caFile), idQuery,
+				"TT_R" + System.currentTimeMillis(), 0.01d, 0.01d, null,
+				"10020674");
 		System.err.println(result);
 		String sign = result.getSign();
 		result.setSign(null);
-		String valiSign = DigestUtil.paysignMd5(result,
-				ACCOUNT3.getPaySignKey());
+		String valiSign = DigestUtil
+				.paysignMd5(result, ACCOUNT.getPaySignKey());
 		System.err
 				.println(String.format("sign=%s,valiSign=%s", sign, valiSign));
 		Assert.assertEquals(valiSign, sign);
@@ -106,13 +104,13 @@ public class PayTest {
 
 	@Test
 	public void nativeV3() throws WeixinException {
-		MchPayPackage payPackageV3 = new MchPayPackage(ACCOUNT3,
+		MchPayPackage payPackageV3 = new MchPayPackage(ACCOUNT,
 				"oyFLst1bqtuTcxK-ojF8hOGtLQao", "native测试", "T0001", 0.1d,
 				"notify_url", "127.0.0.1", TradeType.NATIVE);
 		payPackageV3.setProductId("0001");
 		PrePay prePay = null;
 		try {
-			prePay = PAY3.createPrePay(payPackageV3);
+			prePay = PAY.createPrePay(payPackageV3);
 		} catch (WeixinPayException e) {
 			e.printStackTrace();
 		}
@@ -121,12 +119,12 @@ public class PayTest {
 
 	@Test
 	public void closeOrder() throws WeixinException {
-		ApiResult result = PAY3.closeOrder("D111");
+		ApiResult result = PAY.closeOrder("D111");
 		System.err.println(result);
 		String sign = result.getSign();
 		result.setSign(null);
-		String valiSign = DigestUtil.paysignMd5(result,
-				ACCOUNT3.getPaySignKey());
+		String valiSign = DigestUtil
+				.paysignMd5(result, ACCOUNT.getPaySignKey());
 		System.err
 				.println(String.format("sign=%s,valiSign=%s", sign, valiSign));
 		Assert.assertEquals(valiSign, sign);
@@ -135,7 +133,7 @@ public class PayTest {
 	@Test
 	public void shortUrl() throws WeixinException {
 		String url = "weixin://wxpay/bizpayurl?xxxxxx";
-		String shortUrl = PAY3.getPayShorturl(url);
+		String shortUrl = PAY.getPayShorturl(url);
 		System.err.println(shortUrl);
 	}
 
@@ -148,7 +146,7 @@ public class PayTest {
 		Date time = new Date();
 		XmlResult returnXml = new XmlResult("SUCCESS", "");
 		returnXml.setResultCode("SUCCESS");
-		returnXml = PAY3.interfaceReport(interfaceUrl, executeTime, outTradeNo,
+		returnXml = PAY.interfaceReport(interfaceUrl, executeTime, outTradeNo,
 				ip, time, returnXml);
 		System.err.println(returnXml);
 	}
diff --git a/weixin4j-mp/src/main/java/com/foxinmy/weixin4j/mp/api/Pay2Api.java b/weixin4j-mp/src/main/java/com/foxinmy/weixin4j/mp/api/PayOldApi.java
similarity index 93%
rename from weixin4j-mp/src/main/java/com/foxinmy/weixin4j/mp/api/Pay2Api.java
rename to weixin4j-mp/src/main/java/com/foxinmy/weixin4j/mp/api/PayOldApi.java
index 9b464f5a..dcb3e0ce 100644
--- a/weixin4j-mp/src/main/java/com/foxinmy/weixin4j/mp/api/Pay2Api.java
+++ b/weixin4j-mp/src/main/java/com/foxinmy/weixin4j/mp/api/PayOldApi.java
@@ -33,14 +33,16 @@ import com.foxinmy.weixin4j.http.weixin.WeixinResponse;
 import com.foxinmy.weixin4j.http.weixin.WeixinSSLRequestExecutor;
 import com.foxinmy.weixin4j.model.Consts;
 import com.foxinmy.weixin4j.model.Token;
-import com.foxinmy.weixin4j.model.WeixinPayAccount;
+import com.foxinmy.weixin4j.model.WeixinPayOldAccount;
 import com.foxinmy.weixin4j.mp.payment.v2.OrderV2;
 import com.foxinmy.weixin4j.mp.payment.v2.PayPackageV2;
 import com.foxinmy.weixin4j.mp.payment.v2.RefundRecordV2;
 import com.foxinmy.weixin4j.mp.payment.v2.RefundResultV2;
 import com.foxinmy.weixin4j.mp.token.WeixinTokenCreator;
 import com.foxinmy.weixin4j.payment.PayRequest;
+import com.foxinmy.weixin4j.token.FileTokenStorager;
 import com.foxinmy.weixin4j.token.TokenHolder;
+import com.foxinmy.weixin4j.token.TokenStorager;
 import com.foxinmy.weixin4j.type.BillType;
 import com.foxinmy.weixin4j.type.IdQuery;
 import com.foxinmy.weixin4j.type.RefundType;
@@ -50,11 +52,11 @@ import com.foxinmy.weixin4j.util.DigestUtil;
 import com.foxinmy.weixin4j.util.MapUtil;
 import com.foxinmy.weixin4j.util.RandomUtil;
 import com.foxinmy.weixin4j.util.StringUtil;
-import com.foxinmy.weixin4j.util.Weixin4jSettings;
+import com.foxinmy.weixin4j.util.Weixin4jConfigUtil;
 import com.foxinmy.weixin4j.xml.ListsuffixResultDeserializer;
 
 /**
- * V2支付API
+ * V2老支付API
  * 
  * @className Pay2Api
  * @author jy
@@ -62,24 +64,40 @@ import com.foxinmy.weixin4j.xml.ListsuffixResultDeserializer;
  * @since JDK 1.6
  * @see
  */
-public class Pay2Api extends MpApi {
+public class PayOldApi extends MpApi {
 
-	private final Weixin4jSettings settings;
+	private final WeixinPayOldAccount payAccount;
 	private final TokenHolder tokenHolder;
 
-	public Pay2Api() {
-		this(new Weixin4jSettings());
+	/**
+	 * 默认使用weixin4j.properties配置信息
+	 */
+	public PayOldApi() {
+		this(JSON.parseObject(Weixin4jConfigUtil.getValue("account"),
+				WeixinPayOldAccount.class), new FileTokenStorager(
+				Weixin4jConfigUtil.getClassPathValue("weixin4j.tmpdir",
+						System.getProperty("java.io.tmpdir"))));
 	}
 
-	public Pay2Api(Weixin4jSettings settings) {
-		this.tokenHolder = new TokenHolder(new WeixinTokenCreator(settings
-				.getWeixinAccount().getId(), settings.getWeixinAccount()
-				.getSecret()), settings.getTokenStorager0());
-		this.settings = settings;
+	public PayOldApi(WeixinPayOldAccount payAccount) {
+		this(payAccount, new FileTokenStorager(
+				Weixin4jConfigUtil.getClassPathValue("weixin4j.tmpdir",
+						System.getProperty("java.io.tmpdir"))));
 	}
 
-	public WeixinPayAccount getPayAccount() {
-		return this.settings.getWeixinPayAccount();
+	public PayOldApi(TokenStorager tokenStorager) {
+		this(JSON.parseObject(Weixin4jConfigUtil.getValue("account"),
+				WeixinPayOldAccount.class), tokenStorager);
+	}
+
+	public PayOldApi(WeixinPayOldAccount payAccount, TokenStorager tokenStorager) {
+		this.payAccount = payAccount;
+		this.tokenHolder = new TokenHolder(new WeixinTokenCreator(
+				payAccount.getId(), payAccount.getSecret()), tokenStorager);
+	}
+
+	public WeixinPayOldAccount getPayAccount() {
+		return this.payAccount;
 	}
 
 	/**
@@ -294,7 +312,7 @@ public class Pay2Api extends MpApi {
 				CertificateFactory cf = CertificateFactory
 						.getInstance(com.foxinmy.weixin4j.model.Consts.X509);
 				java.security.cert.Certificate cert = cf
-						.generateCertificate(Pay2Api.class
+						.generateCertificate(PayOldApi.class
 								.getResourceAsStream("cacert.pem"));
 				ks = KeyStore
 						.getInstance(com.foxinmy.weixin4j.model.Consts.JKS);
@@ -433,11 +451,13 @@ public class Pay2Api extends MpApi {
 	 * @param billType
 	 *            下载对账单的类型 ALL,返回当日所有订单信息, 默认值 SUCCESS,返回当日成功支付的订单
 	 *            REFUND,返回当日退款订单
+	 * @param billPath
+	 *            对账单保存路径
 	 * @return excel表格
 	 * @since V2
 	 * @throws WeixinException
 	 */
-	public File downloadBill(Date billDate, BillType billType)
+	public File downloadBill(Date billDate, BillType billType, String billPath)
 			throws WeixinException {
 		if (billDate == null) {
 			Calendar now = Calendar.getInstance();
@@ -450,8 +470,7 @@ public class Pay2Api extends MpApi {
 		String formatBillDate = DateUtil.fortmat2yyyyMMdd(billDate);
 		String fileName = String.format("%s_%s_%s.txt", formatBillDate,
 				billType.name().toLowerCase(), getPayAccount().getId());
-		File file = new File(String.format("%s/weixin4j_bill_%s",
-				settings.getTmpdir0(), fileName));
+		File file = new File(String.format("%s/%s", billPath, fileName));
 		if (file.exists()) {
 			return file;
 		}
diff --git a/weixin4j-mp/src/main/java/com/foxinmy/weixin4j/mp/payment/v2/NativePayResponseV2.java b/weixin4j-mp/src/main/java/com/foxinmy/weixin4j/mp/payment/v2/NativePayResponseV2.java
index fa03f197..10b29eaf 100644
--- a/weixin4j-mp/src/main/java/com/foxinmy/weixin4j/mp/payment/v2/NativePayResponseV2.java
+++ b/weixin4j-mp/src/main/java/com/foxinmy/weixin4j/mp/payment/v2/NativePayResponseV2.java
@@ -9,7 +9,7 @@ import javax.xml.bind.annotation.XmlElement;
 import javax.xml.bind.annotation.XmlRootElement;
 
 import com.alibaba.fastjson.annotation.JSONField;
-import com.foxinmy.weixin4j.model.WeixinPayAccount;
+import com.foxinmy.weixin4j.model.WeixinPayOldAccount;
 import com.foxinmy.weixin4j.payment.PayRequest;
 import com.foxinmy.weixin4j.util.DigestUtil;
 
@@ -62,7 +62,7 @@ public class NativePayResponseV2 extends PayRequest {
 	 * @param payPackage
 	 *            订单信息
 	 */
-	public NativePayResponseV2(WeixinPayAccount weixinAccount,
+	public NativePayResponseV2(WeixinPayOldAccount weixinAccount,
 			PayPackageV2 payPackage) {
 		super(weixinAccount.getId(), DigestUtil.packageSign(payPackage,
 				weixinAccount.getPartnerKey()));
diff --git a/weixin4j-mp/src/test/java/com/foxinmy/weixin4j/mp/test/PayTest.java b/weixin4j-mp/src/test/java/com/foxinmy/weixin4j/mp/test/PayTest.java
index d198739d..6de07213 100644
--- a/weixin4j-mp/src/test/java/com/foxinmy/weixin4j/mp/test/PayTest.java
+++ b/weixin4j-mp/src/test/java/com/foxinmy/weixin4j/mp/test/PayTest.java
@@ -6,11 +6,10 @@ import java.util.Calendar;
 import org.junit.Test;
 
 import com.foxinmy.weixin4j.exception.WeixinException;
-import com.foxinmy.weixin4j.model.WeixinPayAccount;
-import com.foxinmy.weixin4j.mp.api.Pay2Api;
+import com.foxinmy.weixin4j.model.WeixinPayOldAccount;
+import com.foxinmy.weixin4j.mp.api.PayOldApi;
 import com.foxinmy.weixin4j.type.IdQuery;
 import com.foxinmy.weixin4j.type.IdType;
-import com.foxinmy.weixin4j.util.Weixin4jSettings;
 
 /**
  * 支付测试（V2版本 2014年9月之前申请微信支付的公众号）
@@ -22,13 +21,13 @@ import com.foxinmy.weixin4j.util.Weixin4jSettings;
  * @see
  */
 public class PayTest {
-	protected final static Pay2Api PAY2;
-	protected final static WeixinPayAccount ACCOUNT2;
+	protected final static PayOldApi PAY2;
+	protected final static WeixinPayOldAccount ACCOUNT2;
 	static {
-		ACCOUNT2 = new WeixinPayAccount("请填入v2版本的appid", "请填入v2版本的appSecret",
-				"请填入v2版本的paysignkey", null, null, null, null,
-				"请填入v2版本的partnerId", "请填入v2版本的partnerKey");
-		PAY2 = new Pay2Api(new Weixin4jSettings(ACCOUNT2));
+		ACCOUNT2 = new WeixinPayOldAccount("请填入v2版本的appid",
+				"请填入v2版本的appSecret", "请填入v2版本的paysignkey", "请填入v2版本的partnerId",
+				"请填入v2版本的partnerKey");
+		PAY2 = new PayOldApi(ACCOUNT2);
 	}
 	/**
 	 * 商户证书文件
@@ -60,7 +59,7 @@ public class PayTest {
 		c.set(Calendar.YEAR, 2014);
 		c.set(Calendar.MONTH, 11);
 		c.set(Calendar.DAY_OF_MONTH, 22);
-		File file = PAY2.downloadBill(c.getTime(), null);
+		File file = PAY2.downloadBill(c.getTime(), null, "/tmp/bill");
 		System.err.println(file);
 	}
 }