diff --git a/pay-java-ali/src/main/java/com/egzosn/pay/ali/api/AliPayService.java b/pay-java-ali/src/main/java/com/egzosn/pay/ali/api/AliPayService.java
index 56b933e..cbd2ee6 100644
--- a/pay-java-ali/src/main/java/com/egzosn/pay/ali/api/AliPayService.java
+++ b/pay-java-ali/src/main/java/com/egzosn/pay/ali/api/AliPayService.java
@@ -200,7 +200,8 @@ public class AliPayService extends BasePayService {
                     bizContent.put("product_code", "QUICK_MSECURITY_PAY");
                 }
         }
-
+        //TODO 过期时间
+//        bizContent.put("timeout_express", )
         orderInfo.put("biz_content", JSON.toJSONString(bizContent));
         return orderInfo;
     }
@@ -382,6 +383,31 @@ public class AliPayService extends BasePayService {
         return secondaryInterface(tradeNo, outTradeNo, AliTransactionType.REFUNDQUERY);
     }
 
+    /**
+     * 查询退款
+     *
+     * @param refundOrder   退款订单单号信息
+     * @return 返回支付方查询退款后的结果
+     */
+    @Override
+    public Map<String, Object> refundquery(RefundOrder refundOrder){
+
+        //获取公共参数
+        Map<String, Object> parameters = getPublicParameters(AliTransactionType.REFUNDQUERY);
+
+        Map<String, Object> bizContent = getBizContent(refundOrder.getTradeNo(), refundOrder.getOutTradeNo(), null);
+        if (!StringUtils.isEmpty(refundOrder.getRefundNo())){
+            bizContent.put("out_request_no", refundOrder.getRefundNo());
+        }
+        //设置请求参数的集合
+        parameters.put("biz_content",  JSON.toJSONString(bizContent));
+
+        //设置签名
+        setSign(parameters);
+        return  requestTemplate.getForObject(getReqUrl() + "?" + UriVariables.getMapToParameters(parameters), JSONObject.class);
+
+    }
+
     /**
      * 目前只支持日账单
      * @param billDate 账单类型，商户通过接口或商户经开放平台授权后其所属服务商通过接口可以获取以下账单类型：trade、signcustomer；trade指商户基于支付宝交易收单的业务账单；signcustomer是指基于商户支付宝余额收入及支出等资金变动的帐务账单；
@@ -507,10 +533,10 @@ public class AliPayService extends BasePayService {
         if (null == bizContent){
            bizContent = new TreeMap<>();
         }
-        if (null != outTradeNo){
+        if (!StringUtils.isEmpty(outTradeNo)){
             bizContent.put("out_trade_no", outTradeNo);
         }
-        if (null != tradeNo){
+        if (!StringUtils.isEmpty(tradeNo)){
             bizContent.put("trade_no", tradeNo);
         }
         return bizContent;
diff --git a/pay-java-ali/src/main/java/com/egzosn/pay/ali/before/api/AliPayService.java b/pay-java-ali/src/main/java/com/egzosn/pay/ali/before/api/AliPayService.java
index 943ee0f..b04d7f2 100644
--- a/pay-java-ali/src/main/java/com/egzosn/pay/ali/before/api/AliPayService.java
+++ b/pay-java-ali/src/main/java/com/egzosn/pay/ali/before/api/AliPayService.java
@@ -16,7 +16,6 @@ import com.egzosn.pay.common.util.str.StringUtils;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import java.awt.image.BufferedImage;
-import java.io.InputStream;
 import java.io.UnsupportedEncodingException;
 import java.math.BigDecimal;
 import java.net.URLEncoder;
@@ -389,7 +388,30 @@ public class AliPayService extends BasePayService {
     public Map<String, Object> refundquery(String tradeNo, String outTradeNo) {
         return secondaryInterface(tradeNo, outTradeNo, AliTransactionType.REFUNDQUERY);
     }
+    /**
+     * 查询退款
+     *
+     * @param refundOrder   退款订单单号信息
+     * @return 返回支付方查询退款后的结果
+     */
+    @Override
+    public Map<String, Object> refundquery(RefundOrder refundOrder){
 
+        //获取公共参数
+        Map<String, Object> parameters = getPublicParameters(AliTransactionType.REFUNDQUERY);
+
+        Map<String, Object> bizContent = getBizContent(refundOrder.getTradeNo(), refundOrder.getOutTradeNo(), null);
+        if (!StringUtils.isEmpty(refundOrder.getRefundNo())){
+            bizContent.put("out_request_no", refundOrder.getRefundNo());
+        }
+        //设置请求参数的集合
+        parameters.put("biz_content",  JSON.toJSONString(bizContent));
+
+        //设置签名
+        setSign(parameters);
+        return  requestTemplate.getForObject(QUERY_REQ_URL + "?"  + UriVariables.getMapToParameters(parameters), JSONObject.class);
+
+    }
 
 
     /**
diff --git a/pay-java-common/src/main/java/com/egzosn/pay/common/api/BasePayService.java b/pay-java-common/src/main/java/com/egzosn/pay/common/api/BasePayService.java
index d911f32..dea0d77 100644
--- a/pay-java-common/src/main/java/com/egzosn/pay/common/api/BasePayService.java
+++ b/pay-java-common/src/main/java/com/egzosn/pay/common/api/BasePayService.java
@@ -224,6 +224,19 @@ public abstract class BasePayService implements PayService {
         return callback.perform(refundquery(tradeNo, outTradeNo));
     }
 
+    /**
+     * 查询退款
+     *
+     * @param refundOrder   退款订单信息
+     * @param callback 处理器
+     * @param <T> 返回类型
+     * @return 返回支付方查询退款后的结果
+     */
+    @Override
+    public <T>T refundquery(RefundOrder refundOrder, Callback<T> callback){
+        return callback.perform(refundquery(refundOrder));
+    }
+
     /**
      * 目前只支持日账单
      *
diff --git a/pay-java-common/src/main/java/com/egzosn/pay/common/api/PayService.java b/pay-java-common/src/main/java/com/egzosn/pay/common/api/PayService.java
index 3efe7a6..9d8c804 100644
--- a/pay-java-common/src/main/java/com/egzosn/pay/common/api/PayService.java
+++ b/pay-java-common/src/main/java/com/egzosn/pay/common/api/PayService.java
@@ -248,6 +248,7 @@ public interface PayService {
      * @param outTradeNo 商户单号
      * @return 返回支付方查询退款后的结果
      */
+    @Deprecated
     Map<String, Object> refundquery(String tradeNo, String outTradeNo);
     /**
      * 查询退款
@@ -258,7 +259,24 @@ public interface PayService {
      * @param <T> 返回类型
      * @return 返回支付方查询退款后的结果
      */
+    @Deprecated
     <T>T refundquery(String tradeNo, String outTradeNo, Callback<T> callback);
+    /**
+     * 查询退款
+     *
+     * @param refundOrder   退款订单单号信息
+     * @return 返回支付方查询退款后的结果
+     */
+    Map<String, Object> refundquery(RefundOrder refundOrder);
+    /**
+     * 查询退款
+     *
+     * @param refundOrder   退款订单信息
+     * @param callback 处理器
+     * @param <T> 返回类型
+     * @return 返回支付方查询退款后的结果
+     */
+    <T>T refundquery(RefundOrder refundOrder, Callback<T> callback);
 
     /**
      * 下载对账单
diff --git a/pay-java-common/src/main/java/com/egzosn/pay/common/bean/PayOrder.java b/pay-java-common/src/main/java/com/egzosn/pay/common/bean/PayOrder.java
index e522d33..f295d8c 100644
--- a/pay-java-common/src/main/java/com/egzosn/pay/common/bean/PayOrder.java
+++ b/pay-java-common/src/main/java/com/egzosn/pay/common/bean/PayOrder.java
@@ -1,6 +1,7 @@
 package com.egzosn.pay.common.bean;
 
 import java.math.BigDecimal;
+import java.util.Date;
 
 /**
  * 支付订单信息
@@ -38,6 +39,10 @@ public class PayOrder {
     private TransactionType transactionType;
     //支付币种
     private CurType curType;
+    //订单过期时间
+    private Date expirationTime;
+
+
 
 
     public CurType getCurType() {
@@ -191,6 +196,14 @@ public class PayOrder {
         this.openid = openid;
     }
 
+    public Date getExpirationTime() {
+        return expirationTime;
+    }
+
+    public void setExpirationTime(Date expirationTime) {
+        this.expirationTime = expirationTime;
+    }
+
     @Override
     public String toString() {
         return "PayOrder{" +
diff --git a/pay-java-common/src/main/java/com/egzosn/pay/common/bean/RefundOrder.java b/pay-java-common/src/main/java/com/egzosn/pay/common/bean/RefundOrder.java
index 286d0f8..be5061a 100644
--- a/pay-java-common/src/main/java/com/egzosn/pay/common/bean/RefundOrder.java
+++ b/pay-java-common/src/main/java/com/egzosn/pay/common/bean/RefundOrder.java
@@ -34,7 +34,7 @@ public class RefundOrder {
     private BigDecimal totalAmount;
 
     /**
-     * 交易日期
+     * 退款交易日期
      */
     private Date orderDate;
 
diff --git a/pay-java-fuiou/src/main/java/com/egzosn/pay/fuiou/api/FuiouPayService.java b/pay-java-fuiou/src/main/java/com/egzosn/pay/fuiou/api/FuiouPayService.java
index c74aef5..b505324 100644
--- a/pay-java-fuiou/src/main/java/com/egzosn/pay/fuiou/api/FuiouPayService.java
+++ b/pay-java-fuiou/src/main/java/com/egzosn/pay/fuiou/api/FuiouPayService.java
@@ -378,7 +378,18 @@ public class FuiouPayService extends BasePayService {
 
     @Override
     public Map<String, Object> refundquery(String tradeNo, String outTradeNo) {
-        return null;
+        return Collections.emptyMap();
+    }
+
+    /**
+     * 查询退款
+     *
+     * @param refundOrder 退款订单单号信息
+     * @return 返回支付方查询退款后的结果
+     */
+    @Override
+    public Map<String, Object> refundquery(RefundOrder refundOrder) {
+        return Collections.emptyMap();
     }
 
 
@@ -390,7 +401,7 @@ public class FuiouPayService extends BasePayService {
      */
     @Override
     public Map<String, Object> downloadbill(Date billDate, String billType) {
-        return null;
+        return Collections.emptyMap();
     }
 
     /**
@@ -403,7 +414,7 @@ public class FuiouPayService extends BasePayService {
      */
     @Override
     public Map<String, Object> secondaryInterface(Object tradeNoOrBillDate, String outTradeNoBillType, TransactionType transactionType) {
-        return null;
+        return Collections.emptyMap();
     }
 
 
diff --git a/pay-java-payoneer/src/main/java/com/egzosn/pay/payoneer/api/PayoneerPayService.java b/pay-java-payoneer/src/main/java/com/egzosn/pay/payoneer/api/PayoneerPayService.java
index f1bbd1c..abd9236 100644
--- a/pay-java-payoneer/src/main/java/com/egzosn/pay/payoneer/api/PayoneerPayService.java
+++ b/pay-java-payoneer/src/main/java/com/egzosn/pay/payoneer/api/PayoneerPayService.java
@@ -337,7 +337,18 @@ public class PayoneerPayService extends BasePayService implements AdvancedPaySer
      */
     @Override
     public Map<String, Object> refundquery(String tradeNo, String outTradeNo) {
-        return new HashMap<>(0);
+        return Collections.emptyMap();
+    }
+
+    /**
+     * 查询退款
+     *
+     * @param refundOrder 退款订单单号信息
+     * @return 返回支付方查询退款后的结果
+     */
+    @Override
+    public Map<String, Object> refundquery(RefundOrder refundOrder) {
+        return Collections.emptyMap();
     }
 
     /**
@@ -351,7 +362,7 @@ public class PayoneerPayService extends BasePayService implements AdvancedPaySer
     @Override
     public Map<String, Object> downloadbill(Date billDate, String billType) {
 
-        return new HashMap<>(0);
+        return Collections.emptyMap();
     }
 
     /**
diff --git a/pay-java-paypal/src/main/java/com/egzosn/pay/paypal/api/PayPalPayService.java b/pay-java-paypal/src/main/java/com/egzosn/pay/paypal/api/PayPalPayService.java
index 067ea43..412075b 100644
--- a/pay-java-paypal/src/main/java/com/egzosn/pay/paypal/api/PayPalPayService.java
+++ b/pay-java-paypal/src/main/java/com/egzosn/pay/paypal/api/PayPalPayService.java
@@ -291,13 +291,24 @@ public class PayPalPayService extends BasePayService{
         return resp;
     }
 
+    /**
+     * 查询退款
+     *
+     * @param refundOrder 退款订单单号信息
+     * @return 返回支付方查询退款后的结果
+     */
+    @Override
+    public Map<String, Object> refundquery(RefundOrder refundOrder) {
+        return refundquery(refundOrder.getTradeNo(), refundOrder.getOutTradeNo());
+    }
+
     @Override
     public Map<String, Object> downloadbill(Date billDate, String billType) {
-        return null;
+        return Collections.emptyMap();
     }
 
     @Override
     public Map<String, Object> secondaryInterface(Object tradeNoOrBillDate, String outTradeNoBillType, TransactionType transactionType) {
-        return null;
+        return Collections.emptyMap();
     }
 }
diff --git a/pay-java-union/src/main/java/com/egzosn/pay/union/api/UnionPayService.java b/pay-java-union/src/main/java/com/egzosn/pay/union/api/UnionPayService.java
index dd990d2..afcbbc9 100644
--- a/pay-java-union/src/main/java/com/egzosn/pay/union/api/UnionPayService.java
+++ b/pay-java-union/src/main/java/com/egzosn/pay/union/api/UnionPayService.java
@@ -431,17 +431,17 @@ public class UnionPayService extends BasePayService {
     }
 
 
+
     /**
-     * 交易查询接口，带处理器
+     * 交易查询接口
      *
      * @param tradeNo    支付平台订单号
      * @param outTradeNo 商户单号
-     * @param callback   处理器
      *
-     * @return 返回查询回来的结果集
+     * @return 返回查询回来的结果集，支付方原值返回
      */
     @Override
-    public <T> T query(String tradeNo, String outTradeNo, Callback<T> callback) {
+    public Map<String, Object> query(String tradeNo, String outTradeNo) {
         Map<String ,Object > params = this.getCommonParam();
         UnionTransactionType.QUERY.convertMap(params);
         params.put(SDKConstants.param_orderId,outTradeNo);
@@ -454,7 +454,7 @@ public class UnionPayService extends BasePayService {
                 if ((SDKConstants.OK_RESP_CODE).equals(origRespCode)) {
                     //交易成功，更新商户订单状态
                     //TODO
-                    return callback.perform(response);
+                    return response;
                 }
             }
             throw new PayErrorException(new PayException(response.getString(SDKConstants.param_respCode), response.getString(SDKConstants.param_respMsg), response.toJSONString()));
@@ -463,25 +463,6 @@ public class UnionPayService extends BasePayService {
 
     }
 
-    /**
-     * 交易查询接口
-     *
-     * @param tradeNo    支付平台订单号
-     * @param outTradeNo 商户单号
-     *
-     * @return 返回查询回来的结果集，支付方原值返回
-     */
-    @Override
-    public Map<String, Object> query(String tradeNo, String outTradeNo) {
-
-    return query(tradeNo, outTradeNo, new Callback<Map<String, Object>>() {
-        @Override
-        public Map<String, Object> perform(Map<String, Object> map) {
-            return map;
-        }
-    });
-    }
-
 
     /**
      *  消费撤销/退货接口
@@ -519,9 +500,9 @@ public class UnionPayService extends BasePayService {
                 return response;
 
             }
-                throw new PayErrorException(new PayException(response.getString(SDKConstants.param_respCode), response.getString(SDKConstants.param_respMsg), response.toJSONString()));
+            throw new PayErrorException(new PayException(response.getString(SDKConstants.param_respCode), response.getString(SDKConstants.param_respMsg), response.toJSONString()));
         }
-            throw new PayErrorException(new PayException("failure", "验证签名失败", response.toJSONString()));
+        throw new PayErrorException(new PayException("failure", "验证签名失败", response.toJSONString()));
     }
     /**
      * 交易关闭接口
@@ -532,20 +513,7 @@ public class UnionPayService extends BasePayService {
      */
     @Override
     public Map<String, Object> close (String tradeNo, String outTradeNo) {
-        return null;
-    }
-
-    /**
-     * 交易关闭接口
-     *
-     * @param tradeNo    支付平台订单号
-     * @param outTradeNo 商户单号
-     * @param callback   处理器
-     * @return 返回支付方交易关闭后的结果
-     */
-    @Override
-    public <T> T close (String tradeNo, String outTradeNo, Callback<T> callback) {
-        return null;
+            return Collections.emptyMap();
     }
 
     /**
@@ -561,47 +529,15 @@ public class UnionPayService extends BasePayService {
     @Deprecated
     @Override
     public Map<String, Object> refund (String tradeNo, String outTradeNo, BigDecimal refundAmount, BigDecimal totalAmount) {
-        return refund(tradeNo, outTradeNo, refundAmount, totalAmount, new Callback<Map<String, Object>>() {
-            @Override
-            public Map<String, Object> perform(Map<String, Object> map) {
-                return map;
-            }
-        });
+        return refund(new RefundOrder(tradeNo, outTradeNo, refundAmount, totalAmount));
     }
 
 
 
-    /**
-     * 申请退款接口
-     *
-     * @param tradeNo      支付平台订单号
-     * @param outTradeNo   商户单号
-     * @param refundAmount 退款金额
-     * @param totalAmount  总金额
-     * @param callback     处理器
-     * @return 返回支付方申请退款后的结果
-     * @see #refund(RefundOrder, Callback)
-     */
-    @Deprecated
-    @Override
-    public <T> T refund (String tradeNo, String outTradeNo, BigDecimal refundAmount, BigDecimal totalAmount, Callback<T> callback) {
-        return refund(new RefundOrder(tradeNo, outTradeNo, refundAmount, totalAmount), callback);
-    }
 
     @Override
     public Map<String, Object> refund(RefundOrder refundOrder) {
-        return refund(refundOrder, new Callback<Map<String, Object>>() {
-
-            @Override
-            public Map<String, Object> perform(Map<String, Object> map) {
-                return map;
-            }
-        });
-    }
-
-    @Override
-    public <T> T refund(RefundOrder refundOrder, Callback<T> callback) {
-        return callback.perform(unionRefundOrConsumeUndo(refundOrder, UnionTransactionType.REFUND));
+        return unionRefundOrConsumeUndo(refundOrder, UnionTransactionType.REFUND);
     }
 
     /**
@@ -613,20 +549,20 @@ public class UnionPayService extends BasePayService {
      */
     @Override
     public Map<String, Object> refundquery (String tradeNo, String outTradeNo) {
-        return null;
+            return Collections.emptyMap();
     }
 
+
+
     /**
      * 查询退款
      *
-     * @param tradeNo    支付平台订单号
-     * @param outTradeNo 商户单号
-     * @param callback   处理器
+     * @param refundOrder 退款订单单号信息
      * @return 返回支付方查询退款后的结果
      */
     @Override
-    public <T> T refundquery (String tradeNo, String outTradeNo, Callback<T> callback) {
-        return null;
+    public Map<String, Object> refundquery(RefundOrder refundOrder) {
+        return Collections.emptyMap();
     }
 
     /**
@@ -670,7 +606,7 @@ public class UnionPayService extends BasePayService {
      */
     @Override
     public Map<String, Object> secondaryInterface(Object tradeNoOrBillDate, String outTradeNoBillType, TransactionType transactionType) {
-        return null;
+            return Collections.emptyMap();
     }
 
 
diff --git a/pay-java-wx-youdian/src/main/java/com/egzosn/pay/wx/youdian/api/WxYouDianPayService.java b/pay-java-wx-youdian/src/main/java/com/egzosn/pay/wx/youdian/api/WxYouDianPayService.java
index 06f6b18..73b5bde 100644
--- a/pay-java-wx-youdian/src/main/java/com/egzosn/pay/wx/youdian/api/WxYouDianPayService.java
+++ b/pay-java-wx-youdian/src/main/java/com/egzosn/pay/wx/youdian/api/WxYouDianPayService.java
@@ -381,7 +381,7 @@ public class WxYouDianPayService extends BasePayService {
 
     @Override
     public Map<String, Object> close(String tradeNo, String outTradeNo) {
-        return new HashMap<>(0);
+        return Collections.emptyMap();
     }
 
 
@@ -415,14 +415,24 @@ public class WxYouDianPayService extends BasePayService {
 
     @Override
     public Map<String, Object> refundquery(String tradeNo, String outTradeNo) {
-        return new HashMap<>(0);
+        return Collections.emptyMap();
     }
 
+    /**
+     * 查询退款
+     *
+     * @param refundOrder 退款订单单号信息
+     * @return 返回支付方查询退款后的结果
+     */
+    @Override
+    public Map<String, Object> refundquery(RefundOrder refundOrder) {
+        return Collections.emptyMap();
+    }
 
 
     @Override
     public Map<String, Object>  downloadbill(Date billDate, String billType) {
-        return new HashMap<>(0);
+        return Collections.emptyMap();
     }
 
 
@@ -436,7 +446,7 @@ public class WxYouDianPayService extends BasePayService {
      */
     @Override
     public Map<String, Object> secondaryInterface(Object tradeNoOrBillDate, String outTradeNoBillType, TransactionType transactionType) {
-        throw new UnsupportedOperationException();
+        return Collections.emptyMap();
     }
 
 
diff --git a/pay-java-wx/src/main/java/com/egzosn/pay/wx/api/WxPayService.java b/pay-java-wx/src/main/java/com/egzosn/pay/wx/api/WxPayService.java
index 9b5fcee..26ee4f5 100644
--- a/pay-java-wx/src/main/java/com/egzosn/pay/wx/api/WxPayService.java
+++ b/pay-java-wx/src/main/java/com/egzosn/pay/wx/api/WxPayService.java
@@ -54,7 +54,15 @@ public class WxPayService extends BasePayService {
     public final static String SIGN = "sign";
     public final static String CIPHER_ALGORITHM = "RSA/ECB/OAEPWITHSHA-1ANDMGF1PADDING";
     public final static String FAILURE = "failure";
+    public final static String APPID = "appid";
+    private final static DateFormat downloadbillDf = new SimpleDateFormat("yyyyMMdd");
+    public final static DateFormat df = new SimpleDateFormat("yyyyMMddHHmms");
 
+    {
+        TimeZone timeZone = TimeZone.getTimeZone("GMT+8");
+        downloadbillDf.setTimeZone(timeZone);
+        df.setTimeZone(timeZone);
+    }
 
 
 
@@ -146,7 +154,7 @@ public class WxPayService extends BasePayService {
     private Map<String, Object> getPublicParameters() {
 
         Map<String, Object> parameters = new TreeMap<String, Object>();
-        parameters.put("appid", payConfigStorage.getAppid());
+        parameters.put(APPID, payConfigStorage.getAppid());
         parameters.put("mch_id", payConfigStorage.getPid());
         parameters.put("nonce_str", SignUtils.randomStr());
         return parameters;
@@ -174,6 +182,10 @@ public class WxPayService extends BasePayService {
         parameters.put("attach", order.getBody());
         parameters.put("notify_url", payConfigStorage.getNotifyUrl());
         parameters.put("trade_type", order.getTransactionType().getType());
+        if (null != order.getExpirationTime()){
+            parameters.put("time_start", df.format(new Date()));
+            parameters.put("time_expire", df.format(order.getExpirationTime()));
+        }
         ((WxTransactionType) order.getTransactionType()).setAttribute(parameters, order);
 
         String sign = createSign(SignUtils.parameterText(parameters), payConfigStorage.getInputCharset());
@@ -221,7 +233,7 @@ public class WxPayService extends BasePayService {
                 params.put("package", "prepay_id=" + result.get("prepay_id"));
             } else if (WxTransactionType.APP == order.getTransactionType()) {
                 params.put("partnerid", payConfigStorage.getPid());
-                params.put("appid", payConfigStorage.getAppid());
+                params.put(APPID, payConfigStorage.getAppid());
                 params.put("prepayid", result.get("prepay_id"));
                 params.put("timestamp", System.currentTimeMillis() / 1000);
                 params.put("noncestr", result.get("nonce_str"));
@@ -401,6 +413,13 @@ public class WxPayService extends BasePayService {
     }
 
 
+    private Map<String, Object> setParameters(Map<String, Object> parameters, String key, String value){
+        if (!StringUtils.isEmpty(value)){
+            parameters.put(key, value);
+        }
+        return parameters;
+    }
+
     /**
      * 申请退款接口
      *
@@ -411,12 +430,10 @@ public class WxPayService extends BasePayService {
     public Map<String, Object> refund(RefundOrder refundOrder) {
         //获取公共参数
         Map<String, Object> parameters = getPublicParameters();
-        if (null != refundOrder.getTradeNo()) {
-            parameters.put("transaction_id", refundOrder.getTradeNo());
-        } else {
-            parameters.put("out_trade_no", refundOrder.getOutTradeNo());
-        }
-        parameters.put("out_refund_no", refundOrder.getRefundNo());
+
+        setParameters(parameters, "transaction_id", refundOrder.getTradeNo());
+        setParameters(parameters, "out_trade_no", refundOrder.getOutTradeNo());
+        setParameters(parameters, "out_refund_no", refundOrder.getRefundNo());
         parameters.put("total_fee", conversion(refundOrder.getTotalAmount()));
         parameters.put("refund_fee", conversion(refundOrder.getRefundAmount()));
         parameters.put("op_user_id", payConfigStorage.getPid());
@@ -428,6 +445,8 @@ public class WxPayService extends BasePayService {
 
 
 
+
+
     /**
      * 查询退款
      *
@@ -440,6 +459,24 @@ public class WxPayService extends BasePayService {
         return secondaryInterface(transactionId, outTradeNo, WxTransactionType.REFUNDQUERY);
     }
 
+    /**
+     * 查询退款
+     *
+     * @param refundOrder 退款订单单号信息
+     * @return 返回支付方查询退款后的结果
+     */
+    @Override
+    public Map<String, Object> refundquery(RefundOrder refundOrder) {
+
+        //获取公共参数
+        Map<String, Object> parameters = getPublicParameters();
+        setParameters(parameters, "transaction_id", refundOrder.getTradeNo());
+        setParameters(parameters, "out_trade_no", refundOrder.getOutTradeNo());
+        setParameters(parameters, "out_refund_no", refundOrder.getRefundNo());
+        //设置签名
+        setSign(parameters);
+        return  requestTemplate.postForObject(getUrl( WxTransactionType.REFUNDQUERY), XML.getMap2Xml(parameters) , JSONObject.class);
+    }
 
 
     /**
@@ -457,9 +494,8 @@ public class WxPayService extends BasePayService {
 
         parameters.put("bill_type", billType);
         //目前只支持日账单
-        DateFormat df = new SimpleDateFormat("yyyyMMdd");
-        df.setTimeZone(TimeZone.getTimeZone("GMT+8"));
-        parameters.put("bill_date", df.format(billDate));
+
+        parameters.put("bill_date", downloadbillDf.format(billDate));
 
         //设置签名
         setSign(parameters);