diff --git a/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/api/WxMpPayService.java b/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/api/WxMpPayService.java
index ffbbabd8e..a1dabfa05 100644
--- a/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/api/WxMpPayService.java
+++ b/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/api/WxMpPayService.java
@@ -13,6 +13,23 @@ import java.util.Map;
  */
 public interface WxMpPayService {
 
+  /**
+   * <pre>
+   * 查询订单(详见https://pay.weixin.qq.com/wiki/doc/api/jsapi.php?chapter=9_2)
+   * 该接口提供所有微信支付订单的查询，商户可以通过查询订单接口主动查询订单状态，完成下一步的业务逻辑。
+   * 需要调用查询接口的情况：
+   ◆ 当商户后台、网络、服务器等出现异常，商户系统最终未接收到支付通知；
+   ◆ 调用支付接口后，返回系统错误或未知交易状态情况；
+   ◆ 调用被扫支付API，返回USERPAYING的状态；
+   ◆ 调用关单或撤销接口API之前，需确认支付状态；
+   * 接口地址：https://api.mch.weixin.qq.com/pay/orderquery
+   * </pre>
+   * @param transactionId 微信支付分配的商户号
+   * @param outTradeNo 商户系统内部的订单号，当没提供transaction_id时需要传这个。
+   * @throws WxErrorException
+   */
+  WxPayOrderQueryResult queryOrder(String transactionId, String outTradeNo) throws WxErrorException;
+
   /**
    * 统一下单(详见http://pay.weixin.qq.com/wiki/doc/api/jsapi.php?chapter=9_1)
    * 在发起微信支付前，需要调用统一下单接口，获取"预支付交易会话标识"
@@ -21,31 +38,21 @@ public interface WxMpPayService {
    * @param request 请求对象
    *
    */
-  WxUnifiedOrderResult unifiedOrder(WxUnifiedOrderRequest request)
-      throws WxErrorException;
+  WxPayUnifiedOrderResult unifiedOrder(WxPayUnifiedOrderRequest request) throws WxErrorException;
 
   /**
    * 该接口调用“统一下单”接口，并拼装发起支付请求需要的参数
    * 详见http://mp.weixin.qq.com/wiki?t=resource/res_main&id=mp1421141115&token=&lang=zh_CN
    * @param request 请求对象
    */
-  Map<String, String> getPayInfo(WxUnifiedOrderRequest request) throws WxErrorException;
-
-  /**
-   * 该接口提供所有微信支付订单的查询,当支付通知处理异常戒丢失的情冴,商户可以通过该接口查询订单支付状态。
-   * 详见http://pay.weixin.qq.com/wiki/doc/api/jsapi.php?chapter=9_2
-   * @throws WxErrorException
-   *
-   */
-  WxMpPayResult getJSSDKPayResult(String transactionId, String outTradeNo)
-      throws WxErrorException;
+  Map<String, String> getPayInfo(WxPayUnifiedOrderRequest request) throws WxErrorException;
 
   /**
    * 读取支付结果通知
    * 详见http://pay.weixin.qq.com/wiki/doc/api/jsapi.php?chapter=9_7
    *
    */
-  WxMpPayCallback getJSSDKCallbackData(String xmlData);
+  WxPayJsSDKCallback getJSSDKCallbackData(String xmlData);
 
   /**
    * <pre>
@@ -57,7 +64,7 @@ public interface WxMpPayService {
    * @param keyFile  证书文件对象
    * @return 退款操作结果
    */
-  WxMpPayRefundResult refund(WxMpPayRefundRequest request, File keyFile) throws WxErrorException;
+  WxPayRefundResult refund(WxPayRefundRequest request, File keyFile) throws WxErrorException;
 
   /**
    * <pre>
@@ -78,7 +85,7 @@ public interface WxMpPayService {
    * @param request 请求对象
    * @param keyFile  证书文件对象
    */
-  WxRedpackResult sendRedpack(WxSendRedpackRequest request, File keyFile) throws WxErrorException;
+  WxPaySendRedpackResult sendRedpack(WxPaySendRedpackRequest request, File keyFile) throws WxErrorException;
 
   /**
    * <pre>
diff --git a/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/api/impl/WxMpPayServiceImpl.java b/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/api/impl/WxMpPayServiceImpl.java
index 9745e22ce..8cb737c6f 100644
--- a/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/api/impl/WxMpPayServiceImpl.java
+++ b/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/api/impl/WxMpPayServiceImpl.java
@@ -46,64 +46,26 @@ public class WxMpPayServiceImpl implements WxMpPayService {
   }
 
   @Override
-  public WxMpPayResult getJSSDKPayResult(String transactionId,
-      String outTradeNo) throws WxErrorException {
-    String nonce_str = System.currentTimeMillis() + "";
-
-    SortedMap<String, String> packageParams = new TreeMap<>();
-    packageParams.put("appid",
-        this.wxMpService.getWxMpConfigStorage().getAppId());
-    packageParams.put("mch_id",
-        this.wxMpService.getWxMpConfigStorage().getPartnerId());
-
-    if (transactionId != null && !"".equals(transactionId.trim())) {
-      packageParams.put("transaction_id", transactionId);
-    } else if (outTradeNo != null && !"".equals(outTradeNo.trim())) {
-      packageParams.put("out_trade_no", outTradeNo);
-    } else {
-      throw new IllegalArgumentException(
-          "Either 'transactionId' or 'outTradeNo' must be given.");
-    }
-
-    packageParams.put("nonce_str", nonce_str);
-    packageParams.put("sign", this.createSign(packageParams,
-        this.wxMpService.getWxMpConfigStorage().getPartnerKey()));
-
-    StringBuilder request = new StringBuilder("<xml>");
-    for (Map.Entry<String, String> para : packageParams.entrySet()) {
-      request.append(String.format("<%s>%s</%s>", para.getKey(),
-          para.getValue(), para.getKey()));
-    }
-    request.append("</xml>");
-
-    String url = PAY_BASE_URL + "/pay/orderquery";
-    String responseContent = this.wxMpService.post(url, request.toString());
-    XStream xstream = XStreamInitializer.getInstance();
-    xstream.alias("xml", WxMpPayResult.class);
-    return (WxMpPayResult) xstream.fromXML(responseContent);
-  }
-
-  @Override
-  public WxMpPayCallback getJSSDKCallbackData(String xmlData) {
+  public WxPayJsSDKCallback getJSSDKCallbackData(String xmlData) {
     try {
       XStream xstream = XStreamInitializer.getInstance();
-      xstream.alias("xml", WxMpPayCallback.class);
-      return (WxMpPayCallback) xstream.fromXML(xmlData);
+      xstream.alias("xml", WxPayJsSDKCallback.class);
+      return (WxPayJsSDKCallback) xstream.fromXML(xmlData);
     } catch (Exception e) {
       e.printStackTrace();
     }
 
-    return new WxMpPayCallback();
+    return new WxPayJsSDKCallback();
   }
 
   @Override
-  public WxMpPayRefundResult refund(WxMpPayRefundRequest request, File keyFile)
+  public WxPayRefundResult refund(WxPayRefundRequest request, File keyFile)
       throws WxErrorException {
     checkParameters(request);
 
     XStream xstream = XStreamInitializer.getInstance();
-    xstream.processAnnotations(WxMpPayRefundResult.class);
-    xstream.processAnnotations(WxMpPayRefundRequest.class);
+    xstream.processAnnotations(WxPayRefundResult.class);
+    xstream.processAnnotations(WxPayRefundRequest.class);
 
     request.setAppid(this.wxMpService.getWxMpConfigStorage().getAppId());
     String partnerId = this.wxMpService.getWxMpConfigStorage().getPartnerId();
@@ -115,7 +77,7 @@ public class WxMpPayServiceImpl implements WxMpPayService {
 
     String url = PAY_BASE_URL + "/secapi/pay/refund";
     String responseContent = this.executeRequestWithKeyFile(url, keyFile, xstream.toXML(request), partnerId);
-    WxMpPayRefundResult wxMpPayRefundResult = (WxMpPayRefundResult) xstream.fromXML(responseContent);
+    WxPayRefundResult wxMpPayRefundResult = (WxPayRefundResult) xstream.fromXML(responseContent);
 
     if (!"SUCCESS".equalsIgnoreCase(wxMpPayRefundResult.getResultCode())
         || !"SUCCESS".equalsIgnoreCase(wxMpPayRefundResult.getReturnCode())) {
@@ -132,7 +94,7 @@ public class WxMpPayServiceImpl implements WxMpPayService {
     return wxMpPayRefundResult;
   }
 
-  private void checkParameters(WxMpPayRefundRequest request) throws WxErrorException {
+  private void checkParameters(WxPayRefundRequest request) throws WxErrorException {
     BeanUtils.checkRequiredFields(request);
 
     if (StringUtils.isNotBlank(request.getRefundAccount())) {
@@ -154,11 +116,11 @@ public class WxMpPayServiceImpl implements WxMpPayService {
   }
 
   @Override
-  public WxRedpackResult sendRedpack(WxSendRedpackRequest request, File keyFile)
+  public WxPaySendRedpackResult sendRedpack(WxPaySendRedpackRequest request, File keyFile)
       throws WxErrorException {
     XStream xstream = XStreamInitializer.getInstance();
-    xstream.processAnnotations(WxSendRedpackRequest.class);
-    xstream.processAnnotations(WxRedpackResult.class);
+    xstream.processAnnotations(WxPaySendRedpackRequest.class);
+    xstream.processAnnotations(WxPaySendRedpackResult.class);
 
     request.setWxAppid(this.wxMpService.getWxMpConfigStorage().getAppId());
     String mchId = this.wxMpService.getWxMpConfigStorage().getPartnerId();
@@ -176,7 +138,7 @@ public class WxMpPayServiceImpl implements WxMpPayService {
     }
 
     String responseContent = this.executeRequestWithKeyFile(url, keyFile, xstream.toXML(request), mchId);
-    WxRedpackResult redpackResult = (WxRedpackResult) xstream
+    WxPaySendRedpackResult redpackResult = (WxPaySendRedpackResult) xstream
         .fromXML(responseContent);
     if ("FAIL".equals(redpackResult.getResultCode())) {
       throw new WxErrorException(WxError.newBuilder()
@@ -212,13 +174,49 @@ public class WxMpPayServiceImpl implements WxMpPayService {
   }
 
   @Override
-  public WxUnifiedOrderResult unifiedOrder(WxUnifiedOrderRequest request)
+  public WxPayOrderQueryResult queryOrder(String transactionId, String outTradeNo) throws WxErrorException {
+    if ((StringUtils.isBlank(transactionId) && StringUtils.isBlank(outTradeNo)) ||
+      (StringUtils.isNotBlank(transactionId) && StringUtils.isNotBlank(outTradeNo))) {
+      throw new IllegalArgumentException("transaction_id 和 out_trade_no 不能同时存在或同时为空，必须二选一");
+    }
+
+    XStream xstream = XStreamInitializer.getInstance();
+    xstream.processAnnotations(WxPayOrderQueryRequest.class);
+    xstream.processAnnotations(WxPayOrderQueryResult.class);
+
+    WxPayOrderQueryRequest request = new WxPayOrderQueryRequest();
+    request.setOutTradeNo(StringUtils.trimToNull(outTradeNo));
+    request.setTransactionId(StringUtils.trimToNull(transactionId));
+    request.setAppid(this.wxMpService.getWxMpConfigStorage().getAppId());
+    request.setMchId(this.wxMpService.getWxMpConfigStorage().getPartnerId());
+    request.setNonceStr(System.currentTimeMillis() + "");
+
+    String sign = this.createSign(BeanUtils.xmlBean2Map(request),
+      this.wxMpService.getWxMpConfigStorage().getPartnerKey());
+    request.setSign(sign);
+
+    String url = PAY_BASE_URL + "/pay/orderquery";
+
+    String responseContent = this.wxMpService.post(url, xstream.toXML(request));
+    WxPayOrderQueryResult result = (WxPayOrderQueryResult) xstream.fromXML(responseContent);
+    result.composeCoupons(responseContent);
+    if ("FAIL".equals(result.getResultCode())) {
+      throw new WxErrorException(WxError.newBuilder()
+        .setErrorMsg(result.getErrCode() + ":" + result.getErrCodeDes())
+        .build());
+    }
+
+    return result;
+  }
+
+  @Override
+  public WxPayUnifiedOrderResult unifiedOrder(WxPayUnifiedOrderRequest request)
       throws WxErrorException {
     checkParameters(request);
 
     XStream xstream = XStreamInitializer.getInstance();
-    xstream.processAnnotations(WxUnifiedOrderRequest.class);
-    xstream.processAnnotations(WxUnifiedOrderResult.class);
+    xstream.processAnnotations(WxPayUnifiedOrderRequest.class);
+    xstream.processAnnotations(WxPayUnifiedOrderResult.class);
 
     request.setAppid(this.wxMpService.getWxMpConfigStorage().getAppId());
     request.setMchId(this.wxMpService.getWxMpConfigStorage().getPartnerId());
@@ -231,7 +229,7 @@ public class WxMpPayServiceImpl implements WxMpPayService {
     String url = PAY_BASE_URL + "/pay/unifiedorder";
 
     String responseContent = this.wxMpService.post(url, xstream.toXML(request));
-    WxUnifiedOrderResult result = (WxUnifiedOrderResult) xstream
+    WxPayUnifiedOrderResult result = (WxPayUnifiedOrderResult) xstream
         .fromXML(responseContent);
     if ("FAIL".equals(result.getResultCode())) {
       throw new WxErrorException(WxError.newBuilder()
@@ -242,7 +240,7 @@ public class WxMpPayServiceImpl implements WxMpPayService {
     return result;
   }
 
-  private void checkParameters(WxUnifiedOrderRequest request) throws WxErrorException {
+  private void checkParameters(WxPayUnifiedOrderRequest request) throws WxErrorException {
     BeanUtils.checkRequiredFields(request);
 
     if (! ArrayUtils.contains(TRADE_TYPES, request.getTradeType())) {
@@ -259,8 +257,8 @@ public class WxMpPayServiceImpl implements WxMpPayService {
   }
 
   @Override
-  public Map<String, String> getPayInfo(WxUnifiedOrderRequest request) throws WxErrorException {
-    WxUnifiedOrderResult unifiedOrderResult = this.unifiedOrder(request);
+  public Map<String, String> getPayInfo(WxPayUnifiedOrderRequest request) throws WxErrorException {
+    WxPayUnifiedOrderResult unifiedOrderResult = this.unifiedOrder(request);
 
     if (!"SUCCESS".equalsIgnoreCase(unifiedOrderResult.getReturnCode())
         || !"SUCCESS".equalsIgnoreCase(unifiedOrderResult.getResultCode())) {
diff --git a/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/bean/pay/WxEntPayQueryRequest.java b/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/bean/pay/WxEntPayQueryRequest.java
index c1f540a4d..512ac1594 100644
--- a/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/bean/pay/WxEntPayQueryRequest.java
+++ b/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/bean/pay/WxEntPayQueryRequest.java
@@ -20,20 +20,7 @@ import org.apache.commons.lang3.builder.ToStringStyle;
  * @author binarywang (https://github.com/binarywang)
  */
 @XStreamAlias("xml")
-public class WxEntPayQueryRequest {
-  /**
-   * <pre>
-   * Appid
-   * appid
-   * 是
-   * wxe062425f740d30d8
-   * String(32)
-   * 商户号的appid
-   * </pre>
-  */
-  @XStreamAlias("appid")
-  private String appid;
-
+public class WxEntPayQueryRequest extends WxPayBaseRequest {
   /**
    * <pre>
    * 商户号
@@ -47,32 +34,6 @@ public class WxEntPayQueryRequest {
   @XStreamAlias("mchid")
   private String mchId;
 
-  /**
-   * <pre>
-   * 随机字符串
-   * nonce_str
-   * 是
-   * 5K8264ILTKCH16CQ2502SI8ZNMTM67VS
-   * String(32)
-   * 随机字符串，不长于32位
-   * </pre>
-  */
-  @XStreamAlias("nonce_str")
-  private String nonceStr;
-
-  /**
-   * <pre>
-  * 签名
-  * sign
-  * 是
-  * C380BEC2BFD727A4B6845133519F3AD6
-  * String(32)
-  *签名，详见签名算法
-   * </pre>
-  */
-  @XStreamAlias("sign")
-  private String sign;
-
   /**
    * <pre>
   * 商户订单号
diff --git a/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/bean/pay/WxEntPayQueryResult.java b/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/bean/pay/WxEntPayQueryResult.java
index 55659ca4d..382a88580 100644
--- a/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/bean/pay/WxEntPayQueryResult.java
+++ b/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/bean/pay/WxEntPayQueryResult.java
@@ -1,8 +1,6 @@
 package me.chanjar.weixin.mp.bean.pay;
 
 import com.thoughtworks.xstream.annotations.XStreamAlias;
-import org.apache.commons.lang3.builder.ToStringBuilder;
-import org.apache.commons.lang3.builder.ToStringStyle;
 
 /**
  * 企业付款查询返回结果
@@ -10,37 +8,7 @@ import org.apache.commons.lang3.builder.ToStringStyle;
  * @author binarywang (https://github.com/binarywang)
  */
 @XStreamAlias("xml")
-public class WxEntPayQueryResult {
-
-  /**
-   * 返回状态码
-   */
-  @XStreamAlias("return_code")
-  private String returnCode;
-
-  /**
-   * 返回信息
-   */
-  @XStreamAlias("return_msg")
-  private String returnMsg;
-
-  //############以下字段在return_code为SUCCESS的时候有返回
-  /**
-   * 业务结果
-   */
-  @XStreamAlias("result_code")
-  private String resultCode;
-  /**
-   * 错误代码
-   */
-  @XStreamAlias("err_code")
-  private String errCode;
-
-  /**
-   * 错误代码描述
-   */
-  @XStreamAlias("err_code_des")
-  private String errCodeDes;
+public class WxEntPayQueryResult extends WxPayBaseResult {
 
   //############以下字段在return_code 和result_code都为SUCCESS的时候有返回##############
   /**
@@ -49,12 +17,6 @@ public class WxEntPayQueryResult {
   @XStreamAlias("partner_trade_no")
   private String partnerTradeNo;
 
-  /**
-   * 商户号
-   */
-  @XStreamAlias("mchid")
-  private String mchId;
-
   /**
    * 付款单号
    */
@@ -103,11 +65,6 @@ public class WxEntPayQueryResult {
   @XStreamAlias("desc")
   private String desc;
 
-  @Override
-  public String toString() {
-    return ToStringBuilder.reflectionToString(this, ToStringStyle.MULTI_LINE_STYLE);
-  }
-
   public String getReturnCode() {
     return returnCode;
   }
@@ -124,30 +81,6 @@ public class WxEntPayQueryResult {
     this.returnMsg = returnMsg;
   }
 
-  public String getResultCode() {
-    return resultCode;
-  }
-
-  public void setResultCode(String resultCode) {
-    this.resultCode = resultCode;
-  }
-
-  public String getErrCode() {
-    return errCode;
-  }
-
-  public void setErrCode(String errCode) {
-    this.errCode = errCode;
-  }
-
-  public String getErrCodeDes() {
-    return errCodeDes;
-  }
-
-  public void setErrCodeDes(String errCodeDes) {
-    this.errCodeDes = errCodeDes;
-  }
-
   public String getPartnerTradeNo() {
     return partnerTradeNo;
   }
@@ -156,14 +89,6 @@ public class WxEntPayQueryResult {
     this.partnerTradeNo = partnerTradeNo;
   }
 
-  public String getMchId() {
-    return mchId;
-  }
-
-  public void setMchId(String mchId) {
-    this.mchId = mchId;
-  }
-
   public String getDetailId() {
     return detailId;
   }
diff --git a/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/bean/pay/WxEntPayResult.java b/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/bean/pay/WxEntPayResult.java
index 86c2c0105..07bac47b7 100644
--- a/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/bean/pay/WxEntPayResult.java
+++ b/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/bean/pay/WxEntPayResult.java
@@ -1,8 +1,5 @@
 package me.chanjar.weixin.mp.bean.pay;
 
-import org.apache.commons.lang3.builder.ToStringBuilder;
-import org.apache.commons.lang3.builder.ToStringStyle;
-
 import com.thoughtworks.xstream.annotations.XStreamAlias;
 
 /**
@@ -11,21 +8,7 @@ import com.thoughtworks.xstream.annotations.XStreamAlias;
  * @author binarywang (https://github.com/binarywang)
  */
 @XStreamAlias("xml")
-public class WxEntPayResult {
-
-  /**
-   * 返回状态码
-   */
-  @XStreamAlias("return_code")
-  private String returnCode;
-
-  /**
-   * 返回信息
-   */
-  @XStreamAlias("return_msg")
-  private String returnMsg;
-
-  //############以下字段在return_code为SUCCESS的时候有返回
+public class WxEntPayResult extends WxPayBaseResult {
 
   /**
    * 商户appid
@@ -33,41 +16,12 @@ public class WxEntPayResult {
   @XStreamAlias("mch_appid")
   private String mchAppid;
 
-  /**
-   * 商户号
-   */
-  @XStreamAlias("mchid")
-  private String mchId;
-
   /**
    * 设备号
    */
   @XStreamAlias("device_info")
   private String deviceInfo;
 
-  /**
-   * 随机字符串
-   */
-  @XStreamAlias("nonce_str")
-  private String nonceStr;
-
-  /**
-   * 业务结果
-   */
-  @XStreamAlias("result_code")
-  private String resultCode;
-  /**
-   * 错误代码
-   */
-  @XStreamAlias("err_code")
-  private String errCode;
-
-  /**
-   * 错误代码描述
-   */
-  @XStreamAlias("err_code_des")
-  private String errCodeDes;
-
   //############以下字段在return_code 和result_code都为SUCCESS的时候有返回##############
   /**
    * 商户订单号
@@ -87,27 +41,6 @@ public class WxEntPayResult {
   @XStreamAlias("payment_time")
   private String paymentTime;
 
-  @Override
-  public String toString() {
-    return ToStringBuilder.reflectionToString(this, ToStringStyle.MULTI_LINE_STYLE);
-  }
-
-  public String getReturnCode() {
-    return returnCode;
-  }
-
-  public void setReturnCode(String returnCode) {
-    this.returnCode = returnCode;
-  }
-
-  public String getReturnMsg() {
-    return returnMsg;
-  }
-
-  public void setReturnMsg(String returnMsg) {
-    this.returnMsg = returnMsg;
-  }
-
   public String getMchAppid() {
     return mchAppid;
   }
@@ -116,14 +49,6 @@ public class WxEntPayResult {
     this.mchAppid = mchAppid;
   }
 
-  public String getMchId() {
-    return mchId;
-  }
-
-  public void setMchId(String mchId) {
-    this.mchId = mchId;
-  }
-
   public String getDeviceInfo() {
     return deviceInfo;
   }
@@ -132,38 +57,6 @@ public class WxEntPayResult {
     this.deviceInfo = deviceInfo;
   }
 
-  public String getNonceStr() {
-    return nonceStr;
-  }
-
-  public void setNonceStr(String nonceStr) {
-    this.nonceStr = nonceStr;
-  }
-
-  public String getResultCode() {
-    return resultCode;
-  }
-
-  public void setResultCode(String resultCode) {
-    this.resultCode = resultCode;
-  }
-
-  public String getErrCode() {
-    return errCode;
-  }
-
-  public void setErrCode(String errCode) {
-    this.errCode = errCode;
-  }
-
-  public String getErrCodeDes() {
-    return errCodeDes;
-  }
-
-  public void setErrCodeDes(String errCodeDes) {
-    this.errCodeDes = errCodeDes;
-  }
-
   public String getPartnerTradeNo() {
     return partnerTradeNo;
   }
diff --git a/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/bean/pay/WxMpPayResult.java b/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/bean/pay/WxMpPayResult.java
deleted file mode 100644
index 6f4532041..000000000
--- a/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/bean/pay/WxMpPayResult.java
+++ /dev/null
@@ -1,259 +0,0 @@
-package me.chanjar.weixin.mp.bean.pay;
-
-import java.io.Serializable;
-
-import org.apache.commons.lang3.builder.ToStringBuilder;
-import org.apache.commons.lang3.builder.ToStringStyle;
-
-/**
- * <pre>
- * 查询订单支付状态返回的结果
- * 
- * 查询订单(详见http://pay.weixin.qq.com/wiki/doc/api/jsapi.php?chapter=9_2)
- *
- * </pre>
- *
- * @author ukid
- */
-public class WxMpPayResult implements Serializable {
-  @Override
-  public String toString() {
-    return ToStringBuilder.reflectionToString(this, ToStringStyle.MULTI_LINE_STYLE);
-  }
-
-  private static final long serialVersionUID = -570934170727777190L;
-  
-  private String return_code;
-  private String return_msg;
-  private String appid;
-  private String mch_id;
-  private String nonce_str;
-  private String sign;
-  private String result_code;
-  private String err_code;
-  private String err_code_des;
-  private String trade_state;
-  private String trade_state_desc;
-  private String device_info;
-  private String openid;
-  private String is_subscribe;
-  private String trade_type;
-  private String bank_type;
-  private String total_fee;
-  private String coupon_fee;
-  private String fee_type;
-  private String transaction_id;
-  private String out_trade_no;
-  private String attach;
-  private String time_end;
- /**
-  *  现金支付金额	cash_fee	是	Int	100	现金支付金额订单现金支付金额，详见支付金额
-  */
-  private String cash_fee;
-  
-  /**
-   * 现金支付货币类型	cash_fee_type	否
-   * 
-   */
-  private String cash_fee_type;
-
-  public String getReturn_code() {
-    return this.return_code;
-  }
-
-  public String getReturn_msg() {
-    return this.return_msg;
-  }
-
-  public String getAppid() {
-    return this.appid;
-  }
-
-  public String getMch_id() {
-    return this.mch_id;
-  }
-
-  public String getNonce_str() {
-    return this.nonce_str;
-  }
-
-  public String getSign() {
-    return this.sign;
-  }
-
-  public String getResult_code() {
-    return this.result_code;
-  }
-
-  public String getErr_code() {
-    return this.err_code;
-  }
-
-  public String getErr_code_des() {
-    return this.err_code_des;
-  }
-
-  public String getTrade_state() {
-    return this.trade_state;
-  }
-
-  public String getDevice_info() {
-    return this.device_info;
-  }
-
-  public String getOpenid() {
-    return this.openid;
-  }
-
-  public String getIs_subscribe() {
-    return this.is_subscribe;
-  }
-
-  public String getTrade_type() {
-    return this.trade_type;
-  }
-
-  public String getBank_type() {
-    return this.bank_type;
-  }
-
-  public String getTotal_fee() {
-    return this.total_fee;
-  }
-
-  public String getCoupon_fee() {
-    return this.coupon_fee;
-  }
-
-  public String getFee_type() {
-    return this.fee_type;
-  }
-
-  public String getTransaction_id() {
-    return this.transaction_id;
-  }
-
-  public String getOut_trade_no() {
-    return this.out_trade_no;
-  }
-
-  public String getAttach() {
-    return this.attach;
-  }
-
-  public String getTime_end() {
-    return this.time_end;
-  }
-
-  public void setReturn_code(String return_code) {
-    this.return_code = return_code;
-  }
-
-  public void setReturn_msg(String return_msg) {
-    this.return_msg = return_msg;
-  }
-
-  public void setAppid(String appid) {
-    this.appid = appid;
-  }
-
-  public void setMch_id(String mch_id) {
-    this.mch_id = mch_id;
-  }
-
-  public void setNonce_str(String nonce_str) {
-    this.nonce_str = nonce_str;
-  }
-
-  public void setSign(String sign) {
-    this.sign = sign;
-  }
-
-  public void setResult_code(String result_code) {
-    this.result_code = result_code;
-  }
-
-  public void setErr_code(String err_code) {
-    this.err_code = err_code;
-  }
-
-  public void setErr_code_des(String err_code_des) {
-    this.err_code_des = err_code_des;
-  }
-
-  public void setTrade_state(String trade_state) {
-    this.trade_state = trade_state;
-  }
-
-  public void setDevice_info(String device_info) {
-    this.device_info = device_info;
-  }
-
-  public void setOpenid(String openid) {
-    this.openid = openid;
-  }
-
-  public void setIs_subscribe(String is_subscribe) {
-    this.is_subscribe = is_subscribe;
-  }
-
-  public void setTrade_type(String trade_type) {
-    this.trade_type = trade_type;
-  }
-
-  public void setBank_type(String bank_type) {
-    this.bank_type = bank_type;
-  }
-
-  public void setTotal_fee(String total_fee) {
-    this.total_fee = total_fee;
-  }
-
-  public void setCoupon_fee(String coupon_fee) {
-    this.coupon_fee = coupon_fee;
-  }
-
-  public void setFee_type(String fee_type) {
-    this.fee_type = fee_type;
-  }
-
-  public void setTransaction_id(String transaction_id) {
-    this.transaction_id = transaction_id;
-  }
-
-  public void setOut_trade_no(String out_trade_no) {
-    this.out_trade_no = out_trade_no;
-  }
-
-  public void setAttach(String attach) {
-    this.attach = attach;
-  }
-
-  public void setTime_end(String time_end) {
-    this.time_end = time_end;
-  }
-
-  public String getTrade_state_desc() {
-    return this.trade_state_desc;
-  }
-
-  public void setTrade_state_desc(String trade_state_desc) {
-    this.trade_state_desc = trade_state_desc;
-  }
-
-  public String getCash_fee() {
-    return this.cash_fee;
-  }
-
-  public void setCash_fee(String cash_fee) {
-    this.cash_fee = cash_fee;
-  }
-
-  public String getCash_fee_type() {
-    return this.cash_fee_type;
-  }
-
-  public void setCash_fee_type(String cash_fee_type) {
-    this.cash_fee_type = cash_fee_type;
-  }
-}
diff --git a/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/bean/pay/WxPayBaseRequest.java b/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/bean/pay/WxPayBaseRequest.java
new file mode 100644
index 000000000..062152d8f
--- /dev/null
+++ b/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/bean/pay/WxPayBaseRequest.java
@@ -0,0 +1,107 @@
+package me.chanjar.weixin.mp.bean.pay;
+
+import com.thoughtworks.xstream.annotations.XStreamAlias;
+import org.apache.commons.lang3.builder.ToStringBuilder;
+import org.apache.commons.lang3.builder.ToStringStyle;
+
+/**
+ * <pre>
+ * Created by Binary Wang on 2016-10-24.
+ *  微信支付请求对象共用的参数存放类
+ * 注释中各行每个字段描述对应如下：
+ * <li>字段名
+ * <li>变量名
+ * <li>是否必填
+ * <li>类型
+ * <li>示例值
+ * <li>描述
+ * </pre>
+ * @author <a href="https://github.com/binarywang">binarywang(Binary Wang)</a>
+ */
+public abstract class WxPayBaseRequest {
+  /**
+   * <pre>
+   * 公众账号ID
+   * appid
+   * 是
+   * String(32)
+   * wxd678efh567hg6787
+   * 微信分配的公众账号ID（企业号corpid即为此appId）
+   * </pre>
+   */
+  @XStreamAlias("appid")
+  protected String appid;
+  /**
+   * <pre>
+   * 商户号
+   * mch_id
+   * 是
+   * String(32)
+   * 1230000109
+   * 微信支付分配的商户号
+   * </pre>
+   */
+  @XStreamAlias("mch_id")
+  protected String mchId;
+  /**
+   * <pre>
+   * 随机字符串
+   * nonce_str
+   * 是
+   * String(32)
+   * 5K8264ILTKCH16CQ2502SI8ZNMTM67VS
+   * 随机字符串，不长于32位。推荐随机数生成算法
+   * </pre>
+   */
+  @XStreamAlias("nonce_str")
+  protected String nonceStr;
+  /**
+   * <pre>
+   * 签名
+   * sign
+   * 是
+   * String(32)
+   * C380BEC2BFD727A4B6845133519F3AD6
+   * 签名，详见签名生成算法
+   * </pre>
+   */
+  @XStreamAlias("sign")
+  protected String sign;
+
+  public String getAppid() {
+    return appid;
+  }
+
+  public void setAppid(String appid) {
+    this.appid = appid;
+  }
+
+  public String getMchId() {
+    return mchId;
+  }
+
+  public void setMchId(String mchId) {
+    this.mchId = mchId;
+  }
+
+  public String getNonceStr() {
+    return nonceStr;
+  }
+
+  public void setNonceStr(String nonceStr) {
+    this.nonceStr = nonceStr;
+  }
+
+  public String getSign() {
+    return sign;
+  }
+
+  public void setSign(String sign) {
+    this.sign = sign;
+  }
+
+  @Override
+  public String toString() {
+    return ToStringBuilder.reflectionToString(this, ToStringStyle.MULTI_LINE_STYLE);
+  }
+}
diff --git a/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/bean/pay/WxUnifiedOrderResult.java b/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/bean/pay/WxPayBaseResult.java
similarity index 61%
rename from weixin-java-mp/src/main/java/me/chanjar/weixin/mp/bean/pay/WxUnifiedOrderResult.java
rename to weixin-java-mp/src/main/java/me/chanjar/weixin/mp/bean/pay/WxPayBaseResult.java
index 7dfc65986..cdec82738 100644
--- a/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/bean/pay/WxUnifiedOrderResult.java
+++ b/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/bean/pay/WxPayBaseResult.java
@@ -1,59 +1,78 @@
 package me.chanjar.weixin.mp.bean.pay;
 
+import com.thoughtworks.xstream.annotations.XStreamAlias;
 import org.apache.commons.lang3.builder.ToStringBuilder;
 import org.apache.commons.lang3.builder.ToStringStyle;
 
-import com.thoughtworks.xstream.annotations.XStreamAlias;
-
 /**
  * <pre>
- * 在发起微信支付前，需要调用统一下单接口，获取"预支付交易会话标识"返回的结果
- * 统一下单(详见http://pay.weixin.qq.com/wiki/doc/api/jsapi.php?chapter=9_1)
+ * 微信支付结果共用属性类
+ * Created by Binary Wang on 2016-10-24.
+ * @author <a href="https://github.com/binarywang">binarywang(Binary Wang)</a>
  * </pre>
- *
- * @author chanjarster
  */
-@XStreamAlias("xml")
-public class WxUnifiedOrderResult {
+public abstract class WxPayBaseResult {
+  @Override
+  public String toString() {
+    return ToStringBuilder.reflectionToString(this, ToStringStyle.MULTI_LINE_STYLE);
+  }
 
+  /**
+   * 返回状态码
+   */
   @XStreamAlias("return_code")
-  private String returnCode;
+  protected String returnCode;
 
+  /**
+   * 返回信息
+   */
   @XStreamAlias("return_msg")
-  private String returnMsg;
-
-  @XStreamAlias("appid")
-  private String appid;
-
-  @XStreamAlias("mch_id")
-  private String mchId;
-
-  @XStreamAlias("nonce_str")
-  private String nonceStr;
-
-  @XStreamAlias("sign")
-  private String sign;
+  protected String returnMsg;
 
+  /**
+   * 业务结果
+   */
   @XStreamAlias("result_code")
   private String resultCode;
 
-  @XStreamAlias("prepay_id")
-  private String prepayId;
-
-  @XStreamAlias("trade_type")
-  private String tradeType;
-
+  /**
+   * 错误代码
+   */
   @XStreamAlias("err_code")
   private String errCode;
 
+  /**
+   * 错误代码描述
+   */
   @XStreamAlias("err_code_des")
   private String errCodeDes;
 
-  @XStreamAlias("code_url")
-  private String codeURL;
+  /**
+   * 公众账号ID
+   */
+  @XStreamAlias("appid")
+  private String appid;
+
+  /**
+   * 商户号
+   */
+  @XStreamAlias("mch_id")
+  private String mchId;
+
+  /**
+   * 随机字符串
+   */
+  @XStreamAlias("nonce_str")
+  private String nonceStr;
+
+  /**
+   * 签名
+   */
+  @XStreamAlias("sign")
+  private String sign;
 
   public String getReturnCode() {
-    return this.returnCode;
+    return returnCode;
   }
 
   public void setReturnCode(String returnCode) {
@@ -61,71 +80,23 @@ public class WxUnifiedOrderResult {
   }
 
   public String getReturnMsg() {
-    return this.returnMsg;
+    return returnMsg;
   }
 
   public void setReturnMsg(String returnMsg) {
     this.returnMsg = returnMsg;
   }
 
-  public String getAppid() {
-    return this.appid;
-  }
-
-  public void setAppid(String appid) {
-    this.appid = appid;
-  }
-
-  public String getMchId() {
-    return this.mchId;
-  }
-
-  public void setMchId(String mchId) {
-    this.mchId = mchId;
-  }
-
-  public String getNonceStr() {
-    return this.nonceStr;
-  }
-
-  public void setNonceStr(String nonceStr) {
-    this.nonceStr = nonceStr;
-  }
-
-  public String getSign() {
-    return this.sign;
-  }
-
-  public void setSign(String sign) {
-    this.sign = sign;
-  }
-
   public String getResultCode() {
-    return this.resultCode;
+    return resultCode;
   }
 
   public void setResultCode(String resultCode) {
     this.resultCode = resultCode;
   }
 
-  public String getPrepayId() {
-    return this.prepayId;
-  }
-
-  public void setPrepayId(String prepayId) {
-    this.prepayId = prepayId;
-  }
-
-  public String getTradeType() {
-    return this.tradeType;
-  }
-
-  public void setTradeType(String tradeType) {
-    this.tradeType = tradeType;
-  }
-
   public String getErrCode() {
-    return this.errCode;
+    return errCode;
   }
 
   public void setErrCode(String errCode) {
@@ -133,23 +104,42 @@ public class WxUnifiedOrderResult {
   }
 
   public String getErrCodeDes() {
-    return this.errCodeDes;
+    return errCodeDes;
   }
 
   public void setErrCodeDes(String errCodeDes) {
     this.errCodeDes = errCodeDes;
   }
 
-  public String getCodeURL() {
-    return this.codeURL;
+  public String getAppid() {
+    return appid;
   }
 
-  public void setCodeURL(String codeURL) {
-    this.codeURL = codeURL;
+  public void setAppid(String appid) {
+    this.appid = appid;
   }
 
-  @Override
-  public String toString() {
-    return ToStringBuilder.reflectionToString(this, ToStringStyle.MULTI_LINE_STYLE);
+  public String getMchId() {
+    return mchId;
+  }
+
+  public void setMchId(String mchId) {
+    this.mchId = mchId;
+  }
+
+  public String getNonceStr() {
+    return nonceStr;
+  }
+
+  public void setNonceStr(String nonceStr) {
+    this.nonceStr = nonceStr;
+  }
+
+  public String getSign() {
+    return sign;
+  }
+
+  public void setSign(String sign) {
+    this.sign = sign;
   }
 }
diff --git a/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/bean/pay/WxMpPayCallback.java b/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/bean/pay/WxPayJsSDKCallback.java
similarity index 97%
rename from weixin-java-mp/src/main/java/me/chanjar/weixin/mp/bean/pay/WxMpPayCallback.java
rename to weixin-java-mp/src/main/java/me/chanjar/weixin/mp/bean/pay/WxPayJsSDKCallback.java
index e32e721e5..11b8b0d54 100644
--- a/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/bean/pay/WxMpPayCallback.java
+++ b/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/bean/pay/WxPayJsSDKCallback.java
@@ -4,16 +4,16 @@ import java.io.Serializable;
 
 /**
  * pre> 订单支付状态回调
- * 
+ *
  * 支付结果通知(详见http://pay.weixin.qq.com/wiki/doc/api/jsapi.php?chapter=9_7)
  *
  * /pre>
  *
  * @author ukid
  */
-public class WxMpPayCallback implements Serializable {
+public class WxPayJsSDKCallback implements Serializable {
     /**
-   * 
+   *
    */
   private static final long serialVersionUID = -4143804055690843641L;
     private String return_code;
@@ -263,7 +263,7 @@ public class WxMpPayCallback implements Serializable {
 
     @Override
     public String toString() {
-        return "WxMpPayCallback [return_code=" + this.return_code + ", return_msg="
+        return "WxPayJsSDKCallback [return_code=" + this.return_code + ", return_msg="
                 + this.return_msg + ", appid=" + this.appid + ", mch_id=" + this.mch_id
                 + ", device_info=" + this.device_info + ", nonce_str=" + this.nonce_str
                 + ", sign=" + this.sign + ", result_code=" + this.result_code
diff --git a/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/bean/pay/WxPayOrderQueryRequest.java b/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/bean/pay/WxPayOrderQueryRequest.java
new file mode 100644
index 000000000..ede1b06a5
--- /dev/null
+++ b/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/bean/pay/WxPayOrderQueryRequest.java
@@ -0,0 +1,63 @@
+package me.chanjar.weixin.mp.bean.pay;
+
+import com.thoughtworks.xstream.annotations.XStreamAlias;
+
+/**
+ * <pre>
+ * 订单查询请求对象
+ * Created by Binary Wang on 2016-10-24.
+ * 注释中各行每个字段描述对应如下：
+ * <li>字段名
+ * <li>变量名
+ * <li>是否必填
+ * <li>类型
+ * <li>示例值
+ * <li>描述
+ * </pre>
+ * @author <a href="https://github.com/binarywang">binarywang(Binary Wang)</a>
+ */
+@XStreamAlias("xml")
+public class WxPayOrderQueryRequest extends WxPayBaseRequest {
+
+  /**
+   * <pre>
+   * 微信订单号
+   * transaction_id
+   * 二选一
+   * String(32)
+   * 1009660380201506130728806387
+   * 微信的订单号，优先使用
+   * </pre>
+   */
+  @XStreamAlias("transaction_id")
+  private String transactionId;
+
+  /**
+   * <pre>
+   * 商户订单号
+   * out_trade_no
+   * 二选一
+   * String(32)
+   * 20150806125346
+   * 商户系统内部的订单号，当没提供transaction_id时需要传这个。
+   * </pre>
+   */
+  @XStreamAlias("out_trade_no")
+  private String outTradeNo;
+
+  public String getTransactionId() {
+    return transactionId;
+  }
+
+  public void setTransactionId(String transactionId) {
+    this.transactionId = transactionId;
+  }
+
+  public String getOutTradeNo() {
+    return outTradeNo;
+  }
+
+  public void setOutTradeNo(String outTradeNo) {
+    this.outTradeNo = outTradeNo;
+  }
+}
diff --git a/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/bean/pay/WxPayOrderQueryResult.java b/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/bean/pay/WxPayOrderQueryResult.java
new file mode 100644
index 000000000..25dc6cc8b
--- /dev/null
+++ b/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/bean/pay/WxPayOrderQueryResult.java
@@ -0,0 +1,444 @@
+package me.chanjar.weixin.mp.bean.pay;
+
+import com.google.common.collect.Lists;
+import com.thoughtworks.xstream.annotations.XStreamAlias;
+
+import java.util.List;
+
+/**
+ * <pre>
+ *  查询订单 返回结果对象
+ * Created by Binary Wang on 2016-10-24.
+ * 注释中各行每个字段描述对应如下：
+ * <li>字段名
+ * <li>变量名
+ * <li>是否必填
+ * <li>类型
+ * <li>示例值
+ * <li>描述
+ * </pre>
+ * @author <a href="https://github.com/binarywang">binarywang(Binary Wang)</a>
+ */
+@XStreamAlias("xml")
+public class WxPayOrderQueryResult extends WxPayBaseResult {
+
+  /**
+   * <pre>设备号
+   * device_info
+   * 否
+   * String(32)
+   * 013467007045764
+   * 微信支付分配的终端设备号，
+   * </pre>
+   */
+  @XStreamAlias("device_info")
+  private String deviceInfo;
+
+  /**
+   * <pre>用户标识
+   * openid
+   * 是
+   * String(128)
+   * oUpF8uMuAJO_M2pxb1Q9zNjWeS6o
+   * 用户在商户appid下的唯一标识
+   * </pre>
+   */
+  @XStreamAlias("openid")
+  private String openid;
+
+  /**
+   * <pre>是否关注公众账号
+   * is_subscribe
+   * 否
+   * String(1)
+   * Y
+   * 用户是否关注公众账号，Y-关注，N-未关注，仅在公众账号类型支付有效
+   * </pre>
+   */
+  @XStreamAlias("is_subscribe")
+  private String isSubscribe;
+
+  /**
+   * <pre>交易类型
+   * trade_type
+   * 是
+   * String(16)
+   * JSAPI
+   * 调用接口提交的交易类型，取值如下：JSAPI，NATIVE，APP，MICROPAY，详细说明见参数规定
+   * </pre>
+   */
+  @XStreamAlias("trade_type")
+  private String tradeType;
+
+  /**
+   * <pre>交易状态
+   * trade_state
+   * 是
+   * String(32)
+   * SUCCESS
+   * SUCCESS—支付成功,REFUND—转入退款,NOTPAY—未支付,CLOSED—已关闭,REVOKED—已撤销（刷卡支付）,USERPAYING--用户支付中,PAYERROR--支付失败(其他原因，如银行返回失败)
+   * </pre>
+   */
+  @XStreamAlias("trade_state")
+  private String tradeState;
+
+  /**
+   * <pre>付款银行
+   * bank_type
+   * 是
+   * String(16)
+   * CMC
+   * 银行类型，采用字符串类型的银行标识
+   * </pre>
+   */
+  @XStreamAlias("bank_type")
+  private String bankType;
+
+  /**
+   * <pre>订单金额
+   * total_fee
+   * 是
+   * Int
+   * 100
+   * 订单总金额，单位为分
+   * </pre>
+   */
+  @XStreamAlias("total_fee")
+  private Integer totalFee;
+
+  /**
+   * <pre>应结订单金额
+   * settlement_total_fee
+   * 否
+   * Int
+   * 100
+   * 应结订单金额=订单金额-非充值代金券金额，应结订单金额<=订单金额。
+   * </pre>
+   */
+  @XStreamAlias("settlement_total_fee")
+  private Integer settlementTotalFee;
+
+  /**
+   * <pre>货币种类
+   * fee_type
+   * 否
+   * String(8)
+   * CNY
+   * 货币类型，符合ISO 4217标准的三位字母代码，默认人民币：CNY，其他值列表详见货币类型
+   * </pre>
+   */
+  @XStreamAlias("fee_type")
+  private String feeType;
+
+  /**
+   * <pre>现金支付金额
+   * cash_fee
+   * 是
+   * Int
+   * 100
+   * 现金支付金额订单现金支付金额，详见支付金额
+   * </pre>
+   */
+  @XStreamAlias("cash_fee")
+  private Integer cashFee;
+
+  /**
+   * <pre>现金支付货币类型
+   * cash_fee_type
+   * 否
+   * String(16)
+   * CNY
+   * 货币类型，符合ISO 4217标准的三位字母代码，默认人民币：CNY，其他值列表详见货币类型
+   * </pre>
+   */
+  @XStreamAlias("cash_fee_type")
+  private String cashFeeType;
+
+  /**
+   * <pre>代金券金额
+   * coupon_fee
+   * 否
+   * Int
+   * 100
+   * “代金券”金额<=订单金额，订单金额-“代金券”金额=现金支付金额，详见支付金额
+   * </pre>
+   */
+  @XStreamAlias("coupon_fee")
+  private Integer couponFee;
+
+  /**
+   * <pre>代金券使用数量
+   * coupon_count
+   * 否
+   * Int
+   * 1
+   * 代金券使用数量
+   * </pre>
+   */
+  @XStreamAlias("coupon_count")
+  private Integer couponCount;
+
+  private List<Coupon> coupons;
+
+  public static class Coupon {
+    /**
+     * <pre>代金券类型
+     * coupon_type_$n
+     * 否
+     * String
+     * CASH
+     * <li>CASH--充值代金券
+     * <li>NO_CASH---非充值代金券
+     *	订单使用代金券时有返回（取值：CASH、NO_CASH）。$n为下标,从0开始编号，举例：coupon_type_$0
+     * </pre>
+     */
+    private String couponType;
+
+    /**
+     * <pre>代金券ID
+     * coupon_id_$n
+     * 否
+     * String(20)
+     * 10000
+     * 代金券ID, $n为下标，从0开始编号
+     * </pre>
+     */
+    private String couponId;
+
+    /**
+     * <pre>单个代金券支付金额
+     * coupon_fee_$n
+     * 否
+     * Int
+     * 100
+     * 单个代金券支付金额, $n为下标，从0开始编号
+     * </pre>
+     */
+    private Integer couponFee;
+
+    public Coupon(String couponType, String couponId, Integer couponFee) {
+      this.couponType = couponType;
+      this.couponId = couponId;
+      this.couponFee = couponFee;
+    }
+  }
+
+  /**
+   * <pre>微信支付订单号
+   * transaction_id
+   * 是
+   * String(32)
+   * 1009660380201506130728806387
+   * 微信支付订单号
+   * </pre>
+   */
+  @XStreamAlias("transaction_id")
+  private String transactionId;
+
+  /**
+   * <pre>商户订单号
+   * out_trade_no
+   * 是
+   * String(32)
+   * 20150806125346
+   * 商户系统的订单号，与请求一致。
+   * </pre>
+   */
+  @XStreamAlias("out_trade_no")
+  private String outTradeNo;
+
+  /**
+   * <pre>附加数据
+   * attach
+   * 否
+   * String(128)
+   * 深圳分店
+   * 附加数据，原样返回
+   * </pre>
+   */
+  @XStreamAlias("attach")
+  private String attach;
+
+  /**
+   * <pre>支付完成时间
+   * time_end
+   * 是
+   * String(14)
+   * 20141030133525
+   * 订单支付时间，格式为yyyyMMddHHmmss，如2009年12月25日9点10分10秒表示为20091225091010。其他详见时间规则
+   * </pre>
+   */
+  @XStreamAlias("time_end")
+  private String timeEnd;
+
+  /**
+   * <pre>交易状态描述
+   * trade_state_desc
+   * 是
+   * String(256)
+   * 支付失败，请重新下单支付
+   * 对当前查询订单状态的描述和下一步操作的指引
+   * </pre>
+   */
+  @XStreamAlias("trade_state_desc")
+  private String tradeStateDesc;
+
+  public String getDeviceInfo() {
+    return deviceInfo;
+  }
+
+  public void setDeviceInfo(String deviceInfo) {
+    this.deviceInfo = deviceInfo;
+  }
+
+  public String getOpenid() {
+    return openid;
+  }
+
+  public void setOpenid(String openid) {
+    this.openid = openid;
+  }
+
+  public String getIsSubscribe() {
+    return isSubscribe;
+  }
+
+  public void setIsSubscribe(String isSubscribe) {
+    this.isSubscribe = isSubscribe;
+  }
+
+  public String getTradeType() {
+    return tradeType;
+  }
+
+  public void setTradeType(String tradeType) {
+    this.tradeType = tradeType;
+  }
+
+  public String getTradeState() {
+    return tradeState;
+  }
+
+  public void setTradeState(String tradeState) {
+    this.tradeState = tradeState;
+  }
+
+  public String getBankType() {
+    return bankType;
+  }
+
+  public void setBankType(String bankType) {
+    this.bankType = bankType;
+  }
+
+  public Integer getTotalFee() {
+    return totalFee;
+  }
+
+  public void setTotalFee(Integer totalFee) {
+    this.totalFee = totalFee;
+  }
+
+  public Integer getSettlementTotalFee() {
+    return settlementTotalFee;
+  }
+
+  public void setSettlementTotalFee(Integer settlementTotalFee) {
+    this.settlementTotalFee = settlementTotalFee;
+  }
+
+  public String getFeeType() {
+    return feeType;
+  }
+
+  public void setFeeType(String feeType) {
+    this.feeType = feeType;
+  }
+
+  public Integer getCashFee() {
+    return cashFee;
+  }
+
+  public void setCashFee(Integer cashFee) {
+    this.cashFee = cashFee;
+  }
+
+  public String getCashFeeType() {
+    return cashFeeType;
+  }
+
+  public void setCashFeeType(String cashFeeType) {
+    this.cashFeeType = cashFeeType;
+  }
+
+  public Integer getCouponFee() {
+    return couponFee;
+  }
+
+  public void setCouponFee(Integer couponFee) {
+    this.couponFee = couponFee;
+  }
+
+  public Integer getCouponCount() {
+    return couponCount;
+  }
+
+  public void setCouponCount(Integer couponCount) {
+    this.couponCount = couponCount;
+  }
+
+  public List<Coupon> getCoupons() {
+    return coupons;
+  }
+
+  public void setCoupons(List<Coupon> coupons) {
+    this.coupons = coupons;
+  }
+
+  public String getTransactionId() {
+    return transactionId;
+  }
+
+  public void setTransactionId(String transactionId) {
+    this.transactionId = transactionId;
+  }
+
+  public String getOutTradeNo() {
+    return outTradeNo;
+  }
+
+  public void setOutTradeNo(String outTradeNo) {
+    this.outTradeNo = outTradeNo;
+  }
+
+  public String getAttach() {
+    return attach;
+  }
+
+  public void setAttach(String attach) {
+    this.attach = attach;
+  }
+
+  public String getTimeEnd() {
+    return timeEnd;
+  }
+
+  public void setTimeEnd(String timeEnd) {
+    this.timeEnd = timeEnd;
+  }
+
+  public String getTradeStateDesc() {
+    return tradeStateDesc;
+  }
+
+  public void setTradeStateDesc(String tradeStateDesc) {
+    this.tradeStateDesc = tradeStateDesc;
+  }
+
+  public void composeCoupons(String xmlString){
+    if(this.couponCount > 0 ){
+      this.coupons = Lists.newArrayList();
+      //TODO 暂时待实现
+    }
+  }
+}
diff --git a/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/bean/pay/WxMpPayRefundRequest.java b/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/bean/pay/WxPayRefundRequest.java
similarity index 99%
rename from weixin-java-mp/src/main/java/me/chanjar/weixin/mp/bean/pay/WxMpPayRefundRequest.java
rename to weixin-java-mp/src/main/java/me/chanjar/weixin/mp/bean/pay/WxPayRefundRequest.java
index 26f837b42..bc2802b77 100644
--- a/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/bean/pay/WxMpPayRefundRequest.java
+++ b/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/bean/pay/WxPayRefundRequest.java
@@ -19,7 +19,7 @@ import me.chanjar.weixin.common.annotation.Required;
  *         Created by Binary Wang on 2016-10-08.
  */
 @XStreamAlias("xml")
-public class WxMpPayRefundRequest {
+public class WxPayRefundRequest {
   /**
    * <pre>
    * 公众账号ID
diff --git a/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/bean/pay/WxMpPayRefundResult.java b/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/bean/pay/WxPayRefundResult.java
similarity index 68%
rename from weixin-java-mp/src/main/java/me/chanjar/weixin/mp/bean/pay/WxMpPayRefundResult.java
rename to weixin-java-mp/src/main/java/me/chanjar/weixin/mp/bean/pay/WxPayRefundResult.java
index 5462d44af..ad20b8f11 100644
--- a/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/bean/pay/WxMpPayRefundResult.java
+++ b/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/bean/pay/WxPayRefundResult.java
@@ -1,8 +1,6 @@
 package me.chanjar.weixin.mp.bean.pay;
 
 import com.thoughtworks.xstream.annotations.XStreamAlias;
-import org.apache.commons.lang3.builder.ToStringBuilder;
-import org.apache.commons.lang3.builder.ToStringStyle;
 
 import java.io.Serializable;
 
@@ -15,39 +13,12 @@ import java.io.Serializable;
  *
  */
 @XStreamAlias("xml")
-public class WxMpPayRefundResult implements Serializable {
+public class WxPayRefundResult extends WxPayBaseResult implements Serializable{
   private static final long serialVersionUID = 1L;
 
-  @XStreamAlias("return_code")
-  private String returnCode;
-
-  @XStreamAlias("return_msg")
-  private String returnMsg;
-
-  @XStreamAlias("result_code")
-  private String resultCode;
-
-  @XStreamAlias("err_code")
-  private String errCode;
-
-  @XStreamAlias("err_code_des")
-  private String errCodeDes;
-
-  @XStreamAlias("appid")
-  private String appid;
-
-  @XStreamAlias("mch_id")
-  private String mchId;
-
   @XStreamAlias("device_info")
   private String deviceInfo;
 
-  @XStreamAlias("nonce_str")
-  private String nonceStr;
-
-  @XStreamAlias("sign")
-  private String sign;
-
   @XStreamAlias("transaction_id")
   private String transactionId;
 
@@ -103,46 +74,6 @@ public class WxMpPayRefundResult implements Serializable {
     this.returnMsg = returnMsg;
   }
 
-  public String getResultCode() {
-    return this.resultCode;
-  }
-
-  public void setResultCode(String resultCode) {
-    this.resultCode = resultCode;
-  }
-
-  public String getErrCode() {
-    return this.errCode;
-  }
-
-  public void setErrCode(String errCode) {
-    this.errCode = errCode;
-  }
-
-  public String getErrCodeDes() {
-    return this.errCodeDes;
-  }
-
-  public void setErrCodeDes(String errCodeDes) {
-    this.errCodeDes = errCodeDes;
-  }
-
-  public String getAppid() {
-    return this.appid;
-  }
-
-  public void setAppid(String appid) {
-    this.appid = appid;
-  }
-
-  public String getMchId() {
-    return this.mchId;
-  }
-
-  public void setMchId(String mchId) {
-    this.mchId = mchId;
-  }
-
   public String getDeviceInfo() {
     return this.deviceInfo;
   }
@@ -151,22 +82,6 @@ public class WxMpPayRefundResult implements Serializable {
     this.deviceInfo = deviceInfo;
   }
 
-  public String getNonceStr() {
-    return this.nonceStr;
-  }
-
-  public void setNonceStr(String nonceStr) {
-    this.nonceStr = nonceStr;
-  }
-
-  public String getSign() {
-    return this.sign;
-  }
-
-  public void setSign(String sign) {
-    this.sign = sign;
-  }
-
   public String getTransactionId() {
     return this.transactionId;
   }
@@ -271,9 +186,4 @@ public class WxMpPayRefundResult implements Serializable {
     this.couponRefundId = couponRefundId;
   }
 
-  @Override
-  public String toString() {
-    return ToStringBuilder.reflectionToString(this, ToStringStyle.MULTI_LINE_STYLE);
-  }
-
 }
diff --git a/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/bean/pay/WxSendRedpackRequest.java b/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/bean/pay/WxPaySendRedpackRequest.java
similarity index 96%
rename from weixin-java-mp/src/main/java/me/chanjar/weixin/mp/bean/pay/WxSendRedpackRequest.java
rename to weixin-java-mp/src/main/java/me/chanjar/weixin/mp/bean/pay/WxPaySendRedpackRequest.java
index abe0d68f9..27a46a71f 100644
--- a/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/bean/pay/WxSendRedpackRequest.java
+++ b/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/bean/pay/WxPaySendRedpackRequest.java
@@ -8,7 +8,7 @@ import com.thoughtworks.xstream.annotations.XStreamAlias;
  * @author binarywang (https://github.com/binarywang)
  */
 @XStreamAlias("xml")
-public class WxSendRedpackRequest {
+public class WxPaySendRedpackRequest {
   /**
   * mch_billno
   * 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。  接口根据商户订单号支持重入，如出现超时可再调用。
@@ -18,7 +18,7 @@ public class WxSendRedpackRequest {
 
   /**
    * send_name
-   * 商户名称 
+   * 商户名称
    * 红包发送者名称
    */
   @XStreamAlias("send_name")
@@ -117,7 +117,7 @@ public class WxSendRedpackRequest {
    * 场景id
    * PRODUCT_1:商品促销
    * PRODUCT_2:抽奖
-   * PRODUCT_3:虚拟物品兑奖 
+   * PRODUCT_3:虚拟物品兑奖
    * PRODUCT_4:企业内部福利
    * PRODUCT_5:渠道分润
    * PRODUCT_6:保险回馈
@@ -135,7 +135,7 @@ public class WxSendRedpackRequest {
    * 活动信息
    * posttime:用户操作的时间戳
    * mobile:业务系统账号的手机号，国家代码-手机号。不需要+号
-   * deviceid :mac 地址或者设备唯一标识 
+   * deviceid :mac 地址或者设备唯一标识
    * clientversion :用户操作的客户端版本
    * 把值为非空的信息用key=value进行拼接，再进行urlencode
    * urlencode(posttime=xx&mobile=xx&deviceid=xx)
@@ -150,7 +150,7 @@ public class WxSendRedpackRequest {
    * consume_mch_id
    * 资金授权商户号
    * 资金授权商户号
-   * 服务商替特约商户发放时使用  
+   * 服务商替特约商户发放时使用
    * 非必填字段
    * </pre>
    */
diff --git a/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/bean/pay/WxPaySendRedpackResult.java b/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/bean/pay/WxPaySendRedpackResult.java
new file mode 100644
index 000000000..4a5ab1468
--- /dev/null
+++ b/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/bean/pay/WxPaySendRedpackResult.java
@@ -0,0 +1,82 @@
+package me.chanjar.weixin.mp.bean.pay;
+
+import com.thoughtworks.xstream.annotations.XStreamAlias;
+
+import java.io.Serializable;
+
+/**
+ * 向微信用户个人发现金红包返回结果
+ * https://pay.weixin.qq.com/wiki/doc/api/cash_coupon.php?chapter=13_5
+ * @author kane
+ *
+ */
+@XStreamAlias("xml")
+public class WxPaySendRedpackResult extends WxPayBaseResult implements Serializable {
+  private static final long serialVersionUID = -4837415036337132073L;
+
+  @XStreamAlias("mch_billno")
+  private String mchBillno;
+
+  @XStreamAlias("wxappid")
+  private String wxappid;
+
+  @XStreamAlias("re_openid")
+  private String reOpenid;
+
+  @XStreamAlias("total_amount")
+  private int totalAmount;
+
+  @XStreamAlias("send_time")
+  private String sendTime;
+
+  @XStreamAlias("send_listid")
+  private String sendListid;
+
+  public String getMchBillno() {
+    return mchBillno;
+  }
+
+  public void setMchBillno(String mchBillno) {
+    this.mchBillno = mchBillno;
+  }
+
+  public String getWxappid() {
+    return wxappid;
+  }
+
+  public void setWxappid(String wxappid) {
+    this.wxappid = wxappid;
+  }
+
+  public String getReOpenid() {
+    return reOpenid;
+  }
+
+  public void setReOpenid(String reOpenid) {
+    this.reOpenid = reOpenid;
+  }
+
+  public int getTotalAmount() {
+    return totalAmount;
+  }
+
+  public void setTotalAmount(int totalAmount) {
+    this.totalAmount = totalAmount;
+  }
+
+  public String getSendTime() {
+    return sendTime;
+  }
+
+  public void setSendTime(String sendTime) {
+    this.sendTime = sendTime;
+  }
+
+  public String getSendListid() {
+    return sendListid;
+  }
+
+  public void setSendListid(String sendListid) {
+    this.sendListid = sendListid;
+  }
+}
diff --git a/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/bean/pay/WxUnifiedOrderRequest.java b/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/bean/pay/WxPayUnifiedOrderRequest.java
similarity index 91%
rename from weixin-java-mp/src/main/java/me/chanjar/weixin/mp/bean/pay/WxUnifiedOrderRequest.java
rename to weixin-java-mp/src/main/java/me/chanjar/weixin/mp/bean/pay/WxPayUnifiedOrderRequest.java
index 7cadd2464..de3518ae8 100644
--- a/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/bean/pay/WxUnifiedOrderRequest.java
+++ b/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/bean/pay/WxPayUnifiedOrderRequest.java
@@ -1,10 +1,6 @@
 package me.chanjar.weixin.mp.bean.pay;
 
-import org.apache.commons.lang3.builder.ToStringBuilder;
-import org.apache.commons.lang3.builder.ToStringStyle;
-
 import com.thoughtworks.xstream.annotations.XStreamAlias;
-
 import me.chanjar.weixin.common.annotation.Required;
 
 /**
@@ -23,33 +19,7 @@ import me.chanjar.weixin.common.annotation.Required;
  * @author binarywang (https://github.com/binarywang)
  */
 @XStreamAlias("xml")
-public class WxUnifiedOrderRequest {
-
-  /**
-   * <pre>
-   * 公众账号ID
-   * appid
-   * 是
-   * String(32)
-   * wxd678efh567hg6787
-   * 微信分配的公众账号ID（企业号corpid即为此appId）
-   * </pre>
-   */
-  @XStreamAlias("appid")
-  private String appid;
-
-  /**
-   * <pre>
-   * 商户号
-   * mch_id
-   * 是
-   * String(32)
-   * 1230000109
-   * 微信支付分配的商户号
-   * </pre>
-   */
-  @XStreamAlias("mch_id")
-  private String mchId;
+public class WxPayUnifiedOrderRequest extends WxPayBaseRequest {
 
   /**
    * <pre>
@@ -64,32 +34,6 @@ public class WxUnifiedOrderRequest {
   @XStreamAlias("device_info")
   private String deviceInfo;
 
-  /**
-   * <pre>
-   * 随机字符串
-   * nonce_str
-   * 是
-   * String(32)
-   * 5K8264ILTKCH16CQ2502SI8ZNMTM67VS
-   * 随机字符串，不长于32位。推荐随机数生成算法
-   * </pre>
-   */
-  @XStreamAlias("nonce_str")
-  private String nonceStr;
-
-  /**
-   * <pre>
-   * 签名
-   * sign
-   * 是
-   * String(32)
-   * C380BEC2BFD727A4B6845133519F3AD6
-   * 签名，详见签名生成算法
-   * </pre>
-   */
-  @XStreamAlias("sign")
-  private String sign;
-
   /**
    * <pre>
    * 商品描述
@@ -482,11 +426,6 @@ public class WxUnifiedOrderRequest {
     this.openid = openid;
   }
 
-  @Override
-  public String toString() {
-    return ToStringBuilder.reflectionToString(this, ToStringStyle.MULTI_LINE_STYLE);
-  }
-
   public static WxUnifiedOrderRequestBuilder builder() {
     return new WxUnifiedOrderRequestBuilder();
   }
@@ -613,7 +552,7 @@ public class WxUnifiedOrderRequest {
       return this;
     }
 
-    public WxUnifiedOrderRequestBuilder from(WxUnifiedOrderRequest origin) {
+    public WxUnifiedOrderRequestBuilder from(WxPayUnifiedOrderRequest origin) {
       this.appid(origin.appid);
       this.mchId(origin.mchId);
       this.deviceInfo(origin.deviceInfo);
@@ -637,8 +576,8 @@ public class WxUnifiedOrderRequest {
       return this;
     }
 
-    public WxUnifiedOrderRequest build() {
-      WxUnifiedOrderRequest m = new WxUnifiedOrderRequest();
+    public WxPayUnifiedOrderRequest build() {
+      WxPayUnifiedOrderRequest m = new WxPayUnifiedOrderRequest();
       m.appid = this.appid;
       m.mchId = this.mchId;
       m.deviceInfo = this.deviceInfo;
diff --git a/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/bean/pay/WxPayUnifiedOrderResult.java b/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/bean/pay/WxPayUnifiedOrderResult.java
new file mode 100644
index 000000000..012da5a43
--- /dev/null
+++ b/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/bean/pay/WxPayUnifiedOrderResult.java
@@ -0,0 +1,48 @@
+package me.chanjar.weixin.mp.bean.pay;
+
+import com.thoughtworks.xstream.annotations.XStreamAlias;
+
+/**
+ * <pre>
+ * 在发起微信支付前，需要调用统一下单接口，获取"预支付交易会话标识"返回的结果
+ * 统一下单(详见http://pay.weixin.qq.com/wiki/doc/api/jsapi.php?chapter=9_1)
+ * </pre>
+ *
+ * @author chanjarster
+ */
+@XStreamAlias("xml")
+public class WxPayUnifiedOrderResult extends WxPayBaseResult {
+
+  @XStreamAlias("prepay_id")
+  private String prepayId;
+
+  @XStreamAlias("trade_type")
+  private String tradeType;
+
+  @XStreamAlias("code_url")
+  private String codeURL;
+
+  public String getPrepayId() {
+    return this.prepayId;
+  }
+
+  public void setPrepayId(String prepayId) {
+    this.prepayId = prepayId;
+  }
+
+  public String getTradeType() {
+    return this.tradeType;
+  }
+
+  public void setTradeType(String tradeType) {
+    this.tradeType = tradeType;
+  }
+
+  public String getCodeURL() {
+    return this.codeURL;
+  }
+
+  public void setCodeURL(String codeURL) {
+    this.codeURL = codeURL;
+  }
+}
diff --git a/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/bean/pay/WxRedpackResult.java b/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/bean/pay/WxRedpackResult.java
deleted file mode 100644
index a8287be66..000000000
--- a/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/bean/pay/WxRedpackResult.java
+++ /dev/null
@@ -1,105 +0,0 @@
-package me.chanjar.weixin.mp.bean.pay;
-
-import java.io.Serializable;
-
-import org.apache.commons.lang3.builder.ToStringBuilder;
-import org.apache.commons.lang3.builder.ToStringStyle;
-
-import com.thoughtworks.xstream.annotations.XStreamAlias;
-
-/**
- * 向微信用户个人发现金红包返回结果
- * https://pay.weixin.qq.com/wiki/doc/api/cash_coupon.php?chapter=13_5
- * @author kane
- *
- */
-@XStreamAlias("xml")
-public class WxRedpackResult implements Serializable {
-
-  private static final long serialVersionUID = -4837415036337132073L;
-
-  @XStreamAlias("return_code")
-  private String returnCode;
-  @XStreamAlias("return_msg")
-  private String returnMsg;
-  @XStreamAlias("sign")
-  private String sign;
-  @XStreamAlias("result_code")
-  private String resultCode;
-  
-  @XStreamAlias("err_code")
-  private String errCode;
-  @XStreamAlias("err_code_des")
-  private String errCodeDes;
-  @XStreamAlias("mch_billno")
-  private String mchBillno;
-  @XStreamAlias("mch_id")
-  private String mchId;
-  @XStreamAlias("wxappid")
-  private String wxappid;
-  @XStreamAlias("re_openid")
-  private String reOpenid;
-  @XStreamAlias("total_amount")
-  private int totalAmount;
-  @XStreamAlias("send_time")
-  private String sendTime;
-  @XStreamAlias("send_listid")
-  private String sendListid;
-  
-  public String getErrCode() {
-    return this.errCode;
-  }
-  
-  public String getErrCodeDes() {
-    return this.errCodeDes;
-  }
-
-  public String getReturnCode() {
-    return this.returnCode;
-  }
-
-  public String getReturnMsg() {
-    return this.returnMsg;
-  }
-
-  public String getSign() {
-    return this.sign;
-  }
-
-  public String getResultCode() {
-    return this.resultCode;
-  }
-
-  public String getMchBillno() {
-    return this.mchBillno;
-  }
-
-  public String getMchId() {
-    return this.mchId;
-  }
-
-  public String getWxappid() {
-    return this.wxappid;
-  }
-
-  public String getReOpenid() {
-    return this.reOpenid;
-  }
-
-  public int getTotalAmount() {
-    return this.totalAmount;
-  }
-
-  public String getSendTime() {
-    return this.sendTime;
-  }
-
-  public String getSendListid() {
-    return this.sendListid;
-  }
-  
-  @Override
-  public String toString() {
-    return ToStringBuilder.reflectionToString(this, ToStringStyle.MULTI_LINE_STYLE);
-  }
-}
diff --git a/weixin-java-mp/src/test/java/me/chanjar/weixin/mp/api/impl/WxMpPayServiceImplTest.java b/weixin-java-mp/src/test/java/me/chanjar/weixin/mp/api/impl/WxMpPayServiceImplTest.java
index 17cf5eec8..51414e1b3 100644
--- a/weixin-java-mp/src/test/java/me/chanjar/weixin/mp/api/impl/WxMpPayServiceImplTest.java
+++ b/weixin-java-mp/src/test/java/me/chanjar/weixin/mp/api/impl/WxMpPayServiceImplTest.java
@@ -27,11 +27,6 @@ public class WxMpPayServiceImplTest {
 
   }
 
-  @Test
-  public void testGetJSSDKPayResult() throws Exception {
-
-  }
-
   @Test
   public void testGetJSSDKCallbackData() throws Exception {
 
@@ -39,13 +34,13 @@ public class WxMpPayServiceImplTest {
 
   @Test
   public void testRefund() throws Exception {
-    WxMpPayRefundRequest request = new WxMpPayRefundRequest();
+    WxPayRefundRequest request = new WxPayRefundRequest();
     request.setOutRefundNo("aaa");
     request.setOutTradeNo("1111");
     request.setTotalFee(1222);
     request.setRefundFee(111);
     File keyFile = new File("E:\\dlt.p12");
-    WxMpPayRefundResult result = this.wxService.getPayService().refund(request, keyFile);
+    WxPayRefundResult result = this.wxService.getPayService().refund(request, keyFile);
     System.err.println(result);
   }
 
@@ -56,30 +51,41 @@ public class WxMpPayServiceImplTest {
 
   @Test
   public void testSendRedpack() throws Exception {
-    WxSendRedpackRequest request = new WxSendRedpackRequest();
+    WxPaySendRedpackRequest request = new WxPaySendRedpackRequest();
     request.setActName("abc");
     request.setClientIp("aaa");
     request.setMchBillno("aaaa");
     request
         .setReOpenid(((WxXmlMpInMemoryConfigStorage) this.wxService.getWxMpConfigStorage()).getOpenid());
     File keyFile = new File("E:\\dlt.p12");
-    WxRedpackResult redpackResult = this.wxService.getPayService().sendRedpack(request, keyFile);
+    WxPaySendRedpackResult redpackResult = this.wxService.getPayService().sendRedpack(request, keyFile);
     System.err.println(redpackResult);
   }
 
   /**
-   * Test method for {@link me.chanjar.weixin.mp.api.impl.WxMpPayServiceImpl#unifiedOrder(me.chanjar.weixin.mp.bean.pay.WxUnifiedOrderRequest)}.
+   * Test method for {@link me.chanjar.weixin.mp.api.impl.WxMpPayServiceImpl#unifiedOrder(WxPayUnifiedOrderRequest)}.
    * @throws WxErrorException
    */
   @Test
   public void testUnifiedOrder() throws WxErrorException {
-    WxUnifiedOrderResult result = this.wxService.getPayService()
-        .unifiedOrder(WxUnifiedOrderRequest.builder().body("1111111")
+    WxPayUnifiedOrderResult result = this.wxService.getPayService()
+        .unifiedOrder(WxPayUnifiedOrderRequest.builder().body("1111111")
             .totalFee(1).spbillCreateIp("111111").notifyURL("111111")
             .tradeType("JSAPI").openid("122").outTradeNo("111111").build());
     System.err.println(result);
   }
 
+  /**
+   * Test method for {@link me.chanjar.weixin.mp.api.impl.WxMpPayServiceImpl#queryOrder(String, String)} .
+   * @throws WxErrorException
+   */
+  @Test
+  public final void testQueryOrder() throws WxErrorException {
+    //System.err.println(this.wxService.getPayService().queryOrder(null, null));
+    System.err.println(this.wxService.getPayService().queryOrder("11212121", null));
+    System.err.println(this.wxService.getPayService().queryOrder(null, "11111"));
+  }
+
   /**
    * Test method for {@link me.chanjar.weixin.mp.api.impl.WxMpPayServiceImpl#entPay(WxEntPayRequest, File)}.
    * @throws WxErrorException
diff --git a/weixin-java-mp/src/test/java/me/chanjar/weixin/mp/bean/WxRedpackResultTest.java b/weixin-java-mp/src/test/java/me/chanjar/weixin/mp/bean/WxRedpackResultTest.java
index 5a5275d48..557065cae 100644
--- a/weixin-java-mp/src/test/java/me/chanjar/weixin/mp/bean/WxRedpackResultTest.java
+++ b/weixin-java-mp/src/test/java/me/chanjar/weixin/mp/bean/WxRedpackResultTest.java
@@ -8,7 +8,7 @@ import org.junit.Test;
 import com.thoughtworks.xstream.XStream;
 
 import me.chanjar.weixin.common.util.xml.XStreamInitializer;
-import me.chanjar.weixin.mp.bean.pay.WxRedpackResult;
+import me.chanjar.weixin.mp.bean.pay.WxPaySendRedpackResult;
 
 public class WxRedpackResultTest {
 
@@ -17,44 +17,44 @@ public class WxRedpackResultTest {
   @Before
   public void setup() {
      this.xstream = XStreamInitializer.getInstance();
-     this.xstream.processAnnotations(WxRedpackResult.class);
+     this.xstream.processAnnotations(WxPaySendRedpackResult.class);
   }
-  
+
   @Test public void loadSuccessResult() {
-    final String successSample = "<xml>\n" + 
-        "<return_code><![CDATA[SUCCESS]]></return_code>\n" + 
-        "<return_msg><![CDATA[发放成功.]]></return_msg>\n" + 
-        "<result_code><![CDATA[SUCCESS]]></result_code>\n" + 
-        "<err_code><![CDATA[0]]></err_code>\n" + 
-        "<err_code_des><![CDATA[发放成功.]]></err_code_des>\n" + 
-        "<mch_billno><![CDATA[0010010404201411170000046545]]></mch_billno>\n" + 
-        "<mch_id>10010404</mch_id>\n" + 
-        "<wxappid><![CDATA[wx6fa7e3bab7e15415]]></wxappid>\n" + 
-        "<re_openid><![CDATA[onqOjjmM1tad-3ROpncN-yUfa6uI]]></re_openid>\n" + 
-        "<total_amount>1</total_amount>\n" + 
-        "<send_listid>100000000020150520314766074200</send_listid>\n" + 
-        "<send_time>20150520102602</send_time>\n" + 
+    final String successSample = "<xml>\n" +
+        "<return_code><![CDATA[SUCCESS]]></return_code>\n" +
+        "<return_msg><![CDATA[发放成功.]]></return_msg>\n" +
+        "<result_code><![CDATA[SUCCESS]]></result_code>\n" +
+        "<err_code><![CDATA[0]]></err_code>\n" +
+        "<err_code_des><![CDATA[发放成功.]]></err_code_des>\n" +
+        "<mch_billno><![CDATA[0010010404201411170000046545]]></mch_billno>\n" +
+        "<mch_id>10010404</mch_id>\n" +
+        "<wxappid><![CDATA[wx6fa7e3bab7e15415]]></wxappid>\n" +
+        "<re_openid><![CDATA[onqOjjmM1tad-3ROpncN-yUfa6uI]]></re_openid>\n" +
+        "<total_amount>1</total_amount>\n" +
+        "<send_listid>100000000020150520314766074200</send_listid>\n" +
+        "<send_time>20150520102602</send_time>\n" +
         "</xml>";
-    WxRedpackResult wxMpRedpackResult = (WxRedpackResult) this.xstream.fromXML(successSample);
+    WxPaySendRedpackResult wxMpRedpackResult = (WxPaySendRedpackResult) this.xstream.fromXML(successSample);
     assertEquals("SUCCESS", wxMpRedpackResult.getReturnCode());
     assertEquals("SUCCESS", wxMpRedpackResult.getResultCode());
     assertEquals("20150520102602", wxMpRedpackResult.getSendTime());
   }
-  
+
   @Test public void loadFailureResult() {
-    final String failureSample = "<xml>\n" + 
-        "<return_code><![CDATA[FAIL]]></return_code>\n" + 
-        "<return_msg><![CDATA[系统繁忙,请稍后再试.]]></return_msg>\n" + 
-        "<result_code><![CDATA[FAIL]]></result_code>\n" + 
-        "<err_code><![CDATA[268458547]]></err_code>\n" + 
-        "<err_code_des><![CDATA[系统繁忙,请稍后再试.]]></err_code_des>\n" + 
-        "<mch_billno><![CDATA[0010010404201411170000046542]]></mch_billno>\n" + 
-        "<mch_id>10010404</mch_id>\n" + 
-        "<wxappid><![CDATA[wx6fa7e3bab7e15415]]></wxappid>\n" + 
-        "<re_openid><![CDATA[onqOjjmM1tad-3ROpncN-yUfa6uI]]></re_openid>\n" + 
-        "<total_amount>1</total_amount>\n" + 
+    final String failureSample = "<xml>\n" +
+        "<return_code><![CDATA[FAIL]]></return_code>\n" +
+        "<return_msg><![CDATA[系统繁忙,请稍后再试.]]></return_msg>\n" +
+        "<result_code><![CDATA[FAIL]]></result_code>\n" +
+        "<err_code><![CDATA[268458547]]></err_code>\n" +
+        "<err_code_des><![CDATA[系统繁忙,请稍后再试.]]></err_code_des>\n" +
+        "<mch_billno><![CDATA[0010010404201411170000046542]]></mch_billno>\n" +
+        "<mch_id>10010404</mch_id>\n" +
+        "<wxappid><![CDATA[wx6fa7e3bab7e15415]]></wxappid>\n" +
+        "<re_openid><![CDATA[onqOjjmM1tad-3ROpncN-yUfa6uI]]></re_openid>\n" +
+        "<total_amount>1</total_amount>\n" +
         "</xml>";
-    WxRedpackResult wxMpRedpackResult = (WxRedpackResult) this.xstream.fromXML(failureSample);
+    WxPaySendRedpackResult wxMpRedpackResult = (WxPaySendRedpackResult) this.xstream.fromXML(failureSample);
     assertEquals("FAIL", wxMpRedpackResult.getReturnCode());
     assertEquals("FAIL", wxMpRedpackResult.getResultCode());
     assertEquals("onqOjjmM1tad-3ROpncN-yUfa6uI", wxMpRedpackResult.getReOpenid());