diff --git a/payment-spring-boot-autoconfigure/src/main/java/cn/felord/payment/wechat/v3/model/CouponUseRule.java b/payment-spring-boot-autoconfigure/src/main/java/cn/felord/payment/wechat/v3/model/CouponUseRule.java
index f966cce..a3f13c5 100644
--- a/payment-spring-boot-autoconfigure/src/main/java/cn/felord/payment/wechat/v3/model/CouponUseRule.java
+++ b/payment-spring-boot-autoconfigure/src/main/java/cn/felord/payment/wechat/v3/model/CouponUseRule.java
@@ -14,7 +14,6 @@
  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  *  See the License for the specific language governing permissions and
  *  limitations under the License.
- *
  */
 package cn.felord.payment.wechat.v3.model;
 
@@ -33,37 +32,78 @@ public class CouponUseRule {
 
 
     /**
-     * The Available items.
+     * 可核销商品编码
      */
     private List<String> availableItems;
 
     /**
-     * The Available merchants.
+     * 可用商户
      */
     private List<String> availableMerchants;
 
     /**
-     * The Combine use.
+     * 是否可以叠加使用
      */
     private Boolean combineUse;
 
     /**
-     * The Coupon available time.
+     * 券生效时间
      */
     private CouponAvailableTime couponAvailableTime;
 
     /**
-     * The Fixed normal coupon.
+     * 固定面额满减券使用规则
      */
     private FixedNormalCoupon fixedNormalCoupon;
 
     /**
-     * The Goods tag.
+     * 订单优惠标记
      */
     private List<String> goodsTag;
+    /**
+     * 指定支付方式
+     */
+    private List<String> limitPay;
+    /**
+     * 指定银行卡BIN
+     */
+    private LimitCard limitCard;
 
     /**
-     * The Trade type.
+     * 支付方式，枚举值：
+     *
+     * <ul>
+     *   <li>MICROAPP：小程序支付</li>
+     *   <li>APPPAY：APP支付</li>
+     *   <li>PPAY：免密支付</li>
+     *   <li>CARD：刷卡支付</li>
+     *   <li>FACE：人脸支付</li>
+     *   <li>OTHER：其他支付</li>
+     * </ul>
      */
     private String tradeType;
+
+
+    /**
+     * 指定银行卡BIN
+     * <p>
+     * 限定该批次核销的指定银行卡BIN，当批次限定了指定银行卡时方可生效
+     */
+    @Data
+    public static class LimitCard {
+        /**
+         * 银行卡名称
+         * <p>
+         * 将在微信支付收银台向用户展示，最多4个中文字
+         */
+        private String name;
+        /**
+         * 指定卡BIN
+         * <p>
+         * 使用指定卡BIN的银行卡支付方可享受优惠，按json格式
+         * 特殊规则：单个卡BIN的字符长度为【6,9】,条目个数限制为【1,10】。
+         * 示例值：['62123456','62123457']
+         */
+        private List<String> bin;
+    }
 }
diff --git a/payment-spring-boot-autoconfigure/src/main/java/cn/felord/payment/wechat/v3/model/combine/CombineH5SceneInfo.java b/payment-spring-boot-autoconfigure/src/main/java/cn/felord/payment/wechat/v3/model/combine/CombineH5SceneInfo.java
index 0cb4748..c13f5b0 100644
--- a/payment-spring-boot-autoconfigure/src/main/java/cn/felord/payment/wechat/v3/model/combine/CombineH5SceneInfo.java
+++ b/payment-spring-boot-autoconfigure/src/main/java/cn/felord/payment/wechat/v3/model/combine/CombineH5SceneInfo.java
@@ -20,6 +20,7 @@ package cn.felord.payment.wechat.v3.model.combine;
 import cn.felord.payment.wechat.v3.model.H5Info;
 import lombok.Data;
 import lombok.EqualsAndHashCode;
+
 /**
  * 合单支付 H5场景信息.
  *
@@ -29,5 +30,8 @@ import lombok.EqualsAndHashCode;
 @EqualsAndHashCode(callSuper = true)
 @Data
 public class CombineH5SceneInfo extends CombineSceneInfo {
+    /**
+     * H5 支付信息.
+     */
     private H5Info h5Info;
 }
diff --git a/payment-spring-boot-autoconfigure/src/main/java/cn/felord/payment/wechat/v3/model/combine/CombineTransactionConsumeData.java b/payment-spring-boot-autoconfigure/src/main/java/cn/felord/payment/wechat/v3/model/combine/CombineTransactionConsumeData.java
index ee0ffd8..38682ce 100644
--- a/payment-spring-boot-autoconfigure/src/main/java/cn/felord/payment/wechat/v3/model/combine/CombineTransactionConsumeData.java
+++ b/payment-spring-boot-autoconfigure/src/main/java/cn/felord/payment/wechat/v3/model/combine/CombineTransactionConsumeData.java
@@ -14,7 +14,6 @@
  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  *  See the License for the specific language governing permissions and
  *  limitations under the License.
- *
  */
 package cn.felord.payment.wechat.v3.model.combine;
 
@@ -36,7 +35,7 @@ import java.util.List;
 public class CombineTransactionConsumeData {
 
     /**
-     * 合单商户appid.
+     * 合单商户appid，即合单发起方的appid
      */
     private String combineAppid;
 
@@ -76,52 +75,53 @@ public class CombineTransactionConsumeData {
 
 
         /**
-         * The Amount.
+         * 订单金额信息
          */
         private CombineAmount amount;
 
         /**
-         * The Attach.
+         * 附加数据，在查询API和支付通知中原样返回，可作为自定义参数使用。
          */
         private String attach;
 
         /**
-         * The Bank type.
+         * 付款银行类型，参见<a target= "_blank" href= "https://pay.weixin.qq.com/wiki/doc/apiv3/terms_definition/chapter1_1_3.shtml#part-4">开户银行对照表</a>
          */
         private String bankType;
 
         /**
-         * The Mchid.
+         * 子单发起方商户号，必须与发起方Appid有绑定关系。（即电商平台mchid）
          */
         private String mchid;
 
         /**
-         * The Out trade no.
+         * 子单商户侧订单号
          */
         private String outTradeNo;
 
         /**
-         * The Sub mchid.
+         * 二级商户商户号，由微信支付生成并下发。
+         * 服务商子商户的商户号，被合单方。直连商户不用传二级商户号。
          */
         private String subMchid;
 
         /**
-         * The Success time.
+         * 支付完成时间
          */
         private String successTime;
 
         /**
-         * The Trade state.
+         * 交易状态
          */
         private TradeState tradeState;
 
         /**
-         * The Trade type.
+         * 交易类型
          */
         private TradeType tradeType;
 
         /**
-         * The Transaction id.
+         * 微信支付侧订单号
          */
         private String transactionId;