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 b9685c8..06cd7b5 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
@@ -226,7 +226,7 @@ public class AliPayService extends BasePayService<AliPayConfigStorage> {
             bizContent.put("timeout_express", DateUtils.minutesRemaining(order.getExpirationTime()) + "m");
         }
         orderInfo.put(BIZ_CONTENT, JSON.toJSONString(bizContent));
-        orderInfo.putAll(order.getAttr());
+        orderInfo.putAll(order.getAttrs());
         return  preOrderHandler(orderInfo, order);
     }
 
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 c955e04..d2be6c3 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
@@ -467,4 +467,20 @@ public abstract class BasePayService<PC extends PayConfigStorage> implements Pay
         return orderInfo;
     }
 
+    protected Map<String, Object> setParameters(Map<String, Object> parameters, String key, String value) {
+        if (StringUtils.isNotEmpty(value)) {
+            parameters.put(key, value);
+        }
+        return parameters;
+    }
+
+    protected Map<String, Object> setParameters(Map<String, Object> parameters, String key, Order order) {
+        Object attr = order.getAttr(key);
+        if (null != attr && !"".equals(attr)) {
+            parameters.put(key, attr);
+        }
+        return parameters;
+    }
+
+
 }
diff --git a/pay-java-common/src/main/java/com/egzosn/pay/common/bean/Order.java b/pay-java-common/src/main/java/com/egzosn/pay/common/bean/Order.java
index 57046df..5f18b00 100644
--- a/pay-java-common/src/main/java/com/egzosn/pay/common/bean/Order.java
+++ b/pay-java-common/src/main/java/com/egzosn/pay/common/bean/Order.java
@@ -17,6 +17,12 @@ public interface Order {
      * 获取订单属性 这里可用做覆盖已设置的订单信息属性，订单信息在签名前进行覆盖。
      * @return 属性
      */
-    Map<String, Object> getAttr();
+    Map<String, Object> getAttrs();
+    /**
+     * 获取订单属性 这里可用做覆盖已设置的订单信息属性，订单信息在签名前进行覆盖。
+     * @param key 属性名
+     * @return 属性
+     */
+    Object getAttr(String key);
 
 }
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 57a6842..dd550be 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
@@ -258,20 +258,26 @@ public class PayOrder implements Order {
     }
 
     @Override
-    public Map<String, Object> getAttr() {
+    public Map<String, Object> getAttrs() {
         if (null == attr){
             attr = new HashMap<>();
         }
         return attr;
     }
 
+    @Override
+    public Object getAttr(String key) {
+        return getAttrs().get(key);
+    }
+
+
     /**
      * 添加订单信息
      * @param key key
      * @param value 值
      */
     public void addAttr(String key, Object value) {
-         getAttr().put(key, value);
+        getAttrs().put(key, value);
     }
 
 
diff --git a/pay-java-common/src/main/java/com/egzosn/pay/common/bean/TransferOrder.java b/pay-java-common/src/main/java/com/egzosn/pay/common/bean/TransferOrder.java
index 2b89117..83f05b8 100644
--- a/pay-java-common/src/main/java/com/egzosn/pay/common/bean/TransferOrder.java
+++ b/pay-java-common/src/main/java/com/egzosn/pay/common/bean/TransferOrder.java
@@ -1,6 +1,8 @@
 package com.egzosn.pay.common.bean;
 
 import java.math.BigDecimal;
+import java.util.HashMap;
+import java.util.Map;
 
 /**
  * 转账订单
@@ -10,7 +12,7 @@ import java.math.BigDecimal;
  * date 2018/1/31
  * </pre>
  */
-public class TransferOrder {
+public class TransferOrder implements Order {
 
     /**
      * 转账批次订单单号
@@ -79,6 +81,12 @@ public class TransferOrder {
      */
     private String ip;
 
+
+    /**
+     * 订单附加信息，可用于预设未提供的参数，这里会覆盖以上所有的订单信息，
+     */
+    private Map<String, Object> attr;
+
     public String getBatchNo() {
         return batchNo;
     }
@@ -190,4 +198,28 @@ public class TransferOrder {
     public void setIp(String ip) {
         this.ip = ip;
     }
+    @Override
+    public Map<String, Object> getAttrs() {
+        if (null == attr){
+            attr = new HashMap<>();
+        }
+        return attr;
+    }
+
+    @Override
+    public Object getAttr(String key) {
+        return getAttrs().get(key);
+    }
+
+
+    /**
+     * 添加订单信息
+     * @param key key
+     * @param value 值
+     */
+    public void addAttr(String key, Object value) {
+        getAttrs().put(key, value);
+    }
+
+
 }
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 8a3b4b0..69a28c0 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
@@ -203,7 +203,7 @@ public class FuiouPayService extends BasePayService<FuiouPayConfigStorage> {
         parameters.put("rem", "");
         //版本号
         parameters.put("ver", "1.0.1");
-        parameters.putAll(order.getAttr());
+        parameters.putAll(order.getAttrs());
         return preOrderHandler(parameters, order);
     }
 
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 29cdb28..c12e396 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
@@ -184,7 +184,7 @@ public class PayoneerPayService extends BasePayService<PayoneerConfigStorage> im
         }
         params.put("currency", order.getCurType());
         params.put("description", order.getSubject());
-        params.putAll(order.getAttr());
+        params.putAll(order.getAttrs());
         return preOrderHandler(params, order);
     }
 
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 2d33850..1f4770d 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
@@ -284,7 +284,7 @@ public class UnionPayService extends BasePayService<UnionPayConfigStorage> {
                 params.put(SDKConstants.param_payTimeout, getPayTimeout(order.getExpirationTime()));
                 params.put("orderDesc", order.getSubject());
         }
-        params.putAll(order.getAttr());
+        params.putAll(order.getAttrs());
         params =  preOrderHandler(params, order);
         return setSign(params);
     }
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 6fefb92..8d4e387 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
@@ -227,7 +227,7 @@ public class WxYouDianPayService extends BasePayService<WxYouDianPayConfigStorag
         Map<String, Object> data = new TreeMap<>();
         data.put("access_token",  getAccessToken());
         data.put("paymoney", Util.conversionAmount(order.getPrice()).toString());
-        data.putAll(order.getAttr());
+        data.putAll(order.getAttrs());
         data =  preOrderHandler(data, order);
         String apbNonce = SignUtils.randomStr();
         String sign = createSign(SignUtils.parameterText(data, "") + apbNonce, payConfigStorage.getInputCharset());
diff --git a/pay-java-wx/src/main/java/com/egzosn/pay/wx/api/WxConst.java b/pay-java-wx/src/main/java/com/egzosn/pay/wx/api/WxConst.java
new file mode 100644
index 0000000..08994f3
--- /dev/null
+++ b/pay-java-wx/src/main/java/com/egzosn/pay/wx/api/WxConst.java
@@ -0,0 +1,42 @@
+package com.egzosn.pay.wx.api;
+
+import com.egzosn.pay.common.bean.Order;
+import com.egzosn.pay.common.bean.PayOrder;
+
+import java.math.BigDecimal;
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * @author egan
+ * @date 2020/3/10 21:22
+ * <a href="mailto:zheng.zaosheng@iwhalecloud.com">郑灶生</a>
+ * <br/>
+ * email: zheng.zaosheng@iwhalecloud.com
+ */
+public interface WxConst {
+    /**
+     * 微信请求地址
+     */
+    String URI = "https://api.mch.weixin.qq.com/";
+    /**
+     * 沙箱
+     */
+    String SANDBOXNEW = "sandboxnew/";
+
+    String SUCCESS = "SUCCESS";
+    String RETURN_CODE = "return_code";
+    String SIGN = "sign";
+    String CIPHER_ALGORITHM = "RSA/ECB/OAEPWITHSHA-1ANDMGF1PADDING";
+    String FAILURE = "failure";
+    String APPID = "appid";
+    String HMAC_SHA256 = "HMAC-SHA256";
+    String HMACSHA256 = "HMACSHA256";
+    String RETURN_MSG_CODE = "return_msg";
+    String RESULT_CODE = "result_code";
+    String MCH_ID = "mch_id";
+    String NONCE_STR = "nonce_str";
+    String OUT_TRADE_NO = "out_trade_no";
+
+
+}
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 f4b67de..229a2b5 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
@@ -8,7 +8,6 @@ import com.egzosn.pay.common.bean.result.PayException;
 import com.egzosn.pay.common.exception.PayErrorException;
 import com.egzosn.pay.common.http.HttpConfigStorage;
 import com.egzosn.pay.common.util.DateUtils;
-import com.egzosn.pay.common.util.MatrixToImageWriter;
 import com.egzosn.pay.common.util.Util;
 import com.egzosn.pay.common.util.sign.SignUtils;
 import com.egzosn.pay.common.util.sign.encrypt.RSA2;
@@ -18,13 +17,13 @@ import com.egzosn.pay.wx.bean.WxPayMessage;
 import com.egzosn.pay.wx.bean.WxTransactionType;
 import com.egzosn.pay.common.util.XML;
 import com.egzosn.pay.wx.bean.WxTransferType;
-import java.awt.image.BufferedImage;
 import java.io.IOException;
 import java.io.InputStream;
 import java.math.BigDecimal;
 import java.net.URLEncoder;
 import java.util.*;
 
+import static com.egzosn.pay.wx.api.WxConst.*;
 import static com.egzosn.pay.wx.bean.WxTransferType.*;
 
 /**
@@ -39,27 +38,6 @@ import static com.egzosn.pay.wx.bean.WxTransferType.*;
 public class WxPayService extends BasePayService<WxPayConfigStorage> {
 
 
-    /**
-     * 微信请求地址
-     */
-    public static final String URI = "https://api.mch.weixin.qq.com/";
-    /**
-     * 沙箱
-     */
-    public static final String SANDBOXNEW = "sandboxnew/";
-
-    public static final String SUCCESS = "SUCCESS";
-    public static final String RETURN_CODE = "return_code";
-    public static final String SIGN = "sign";
-    public static final String CIPHER_ALGORITHM = "RSA/ECB/OAEPWITHSHA-1ANDMGF1PADDING";
-    public static final String FAILURE = "failure";
-    public static final String APPID = "appid";
-    private static final String HMAC_SHA256 = "HMAC-SHA256";
-    private static final String HMACSHA256 = "HMACSHA256";
-    private static final String RETURN_MSG_CODE = "return_msg";
-    private static final String RESULT_CODE = "result_code";
-    private static final String MCH_ID = "mch_id";
-    private static final String NONCE_STR = "nonce_str";
 
 
     /**
@@ -118,17 +96,21 @@ public class WxPayService extends BasePayService<WxPayConfigStorage> {
     public boolean verify(Map<String, Object> params) {
 
         if (!(SUCCESS.equals(params.get(RETURN_CODE)) && SUCCESS.equals(params.get(RESULT_CODE)))) {
-            LOG.debug(String.format("微信支付异常：return_code=%s,参数集=%s", params.get(RETURN_CODE), params));
+            if (LOG.isErrorEnabled()){
+                LOG.error(String.format("微信支付异常：return_code=%s,参数集=%s", params.get(RETURN_CODE), params));
+            }
             return false;
         }
 
         if (null == params.get(SIGN)) {
-            LOG.debug("微信支付异常：签名为空！out_trade_no=" + params.get("out_trade_no"));
+            if (LOG.isDebugEnabled()){
+                LOG.debug(String.format("微信支付异常：签名为空！%s=%s", OUT_TRADE_NO, params.get(OUT_TRADE_NO)));
+            }
             return false;
         }
 
         try {
-            return signVerify(params, (String) params.get(SIGN)) && verifySource((String) params.get("out_trade_no"));
+            return signVerify(params, (String) params.get(SIGN)) && verifySource((String) params.get(OUT_TRADE_NO));
         } catch (PayErrorException e) {
             LOG.error(e);
         }
@@ -203,9 +185,9 @@ public class WxPayService extends BasePayService<WxPayConfigStorage> {
         // 购买支付信息
         parameters.put("body", order.getSubject());
         // 购买支付信息
-//        parameters.put("detail", order.getBody());
+        setParameters(parameters, "detail", order);
         // 订单号
-        parameters.put("out_trade_no", order.getOutTradeNo());
+        parameters.put(OUT_TRADE_NO, order.getOutTradeNo());
         parameters.put("spbill_create_ip", StringUtils.isEmpty(order.getSpbillCreateIp()) ? "192.168.1.150" : order.getSpbillCreateIp());
         // 总金额单位为分
         parameters.put("total_fee", Util.conversionCentAmount(order.getPrice()));
@@ -222,7 +204,12 @@ public class WxPayService extends BasePayService<WxPayConfigStorage> {
         }
 
         ((WxTransactionType) order.getTransactionType()).setAttribute(parameters, order);
-        parameters.putAll(order.getAttr());
+        //可覆盖参数
+        setParameters(parameters, "notify_url", order);
+        setParameters(parameters, "goods_tag", order);
+        setParameters(parameters, "limit_pay", order);
+        setParameters(parameters, "receipt", order);
+        setParameters(parameters, "product_id", order);
         parameters = preOrderHandler(parameters, order);
         setSign(parameters);
 
@@ -276,7 +263,6 @@ public class WxPayService extends BasePayService<WxPayConfigStorage> {
                 params.put("noncestr", result.get(NONCE_STR));
                 params.put("package", "Sign=WXPay");
             }
-            params = preOrderHandler(params, order);
             String paySign = createSign(SignUtils.parameterText(params), payConfigStorage.getInputCharset());
             params.put(SIGN, paySign);
             return params;
@@ -513,12 +499,7 @@ public class WxPayService extends BasePayService<WxPayConfigStorage> {
     }
 
 
-    private Map<String, Object> setParameters(Map<String, Object> parameters, String key, String value) {
-        if (StringUtils.isNotEmpty(value)) {
-            parameters.put(key, value);
-        }
-        return parameters;
-    }
+
 
     /**
      * 申请退款接口
@@ -532,7 +513,7 @@ public class WxPayService extends BasePayService<WxPayConfigStorage> {
         Map<String, Object> parameters = getPublicParameters();
 
         setParameters(parameters, "transaction_id", refundOrder.getTradeNo());
-        setParameters(parameters, "out_trade_no", refundOrder.getOutTradeNo());
+        setParameters(parameters, OUT_TRADE_NO, refundOrder.getOutTradeNo());
         setParameters(parameters, "out_refund_no", refundOrder.getRefundNo());
         parameters.put("total_fee", Util.conversionCentAmount(refundOrder.getTotalAmount()));
         parameters.put("refund_fee", Util.conversionCentAmount(refundOrder.getRefundAmount()));
@@ -571,7 +552,7 @@ public class WxPayService extends BasePayService<WxPayConfigStorage> {
         //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_TRADE_NO, refundOrder.getOutTradeNo());
         setParameters(parameters, "out_refund_no", refundOrder.getRefundNo());
         //设置签名
         setSign(parameters);
@@ -638,7 +619,7 @@ public class WxPayService extends BasePayService<WxPayConfigStorage> {
 
         //获取公共参数
         Map<String, Object> parameters = getPublicParameters();
-        setParameters(parameters, "out_trade_no", outTradeNoBillType);
+        setParameters(parameters, OUT_TRADE_NO, outTradeNoBillType);
         setParameters(parameters, "transaction_id", (String) transactionIdOrBillDate);
         //设置签名
         setSign(parameters);
diff --git a/pay-java-yiji/src/main/java/com/egzosn/pay/yiji/api/YiJiPayService.java b/pay-java-yiji/src/main/java/com/egzosn/pay/yiji/api/YiJiPayService.java
index 1428b15..7bdfc2f 100644
--- a/pay-java-yiji/src/main/java/com/egzosn/pay/yiji/api/YiJiPayService.java
+++ b/pay-java-yiji/src/main/java/com/egzosn/pay/yiji/api/YiJiPayService.java
@@ -175,7 +175,7 @@ public class YiJiPayService extends BasePayService<YiJiPayConfigStorage> {
         if (null != order.getCurType()){
             orderInfo.put("currency", order.getCurType());
         }
-        orderInfo.putAll(order.getAttr());
+        orderInfo.putAll(order.getAttrs());
         return preOrderHandler(orderInfo, order);
     }