diff --git a/common.props b/common.props
index 0a7d15b..1dfc07a 100644
--- a/common.props
+++ b/common.props
@@ -1,7 +1,7 @@
 <Project>
     <PropertyGroup>
         <LangVersion>latest</LangVersion>
-        <Version>3.0.0</Version>
+        <Version>3.0.1</Version>
         <NoWarn>$(NoWarn);CS1591</NoWarn>
         <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
         <Authors>EasyAbp Team</Authors>
diff --git a/docs/WeChatPay.md b/docs/WeChatPay.md
index 0f525ba..5ca8963 100644
--- a/docs/WeChatPay.md
+++ b/docs/WeChatPay.md
@@ -140,11 +140,9 @@ public override void ConfigureServices (ServiceConfigurationContext context)
 用户如果需要对支付结果进行处理，只需要实现一个或多个 `IWeChatPayEventHandler` 处理器即可。当框架接受到微信通知时，会触发开发人员编写的处理器，并将微信结果传递给这些处理器。
 
 ```csharp
-  public class PaidWeChatPayEventHandler : IWeChatPayEventHandler<QueryOrderResponse>
+  public class PaidWeChatPayEventHandler : WeChatPayPaidEventHandlerBase
   {
-      public WeChatHandlerType Type => WeChatHandlerType.Paid;
-
-      public Task<WeChatRequestHandlingResult> HandleAsync(WeChatPayEventModel<QueryOrderResponse> model)
+      public Task<WeChatRequestHandlingResult> HandleAsync(WeChatPayEventModel<WeChatPayPaidEventModel> model)
       {
           Console.WriteLine("支付成功。");
           return Task.FromResult(new WeChatRequestHandlingResult(true));
@@ -175,11 +173,9 @@ WeChatPay 模块默认提供了参数校验处理器，各个处理器的调用
 用户如果需要对退款通知进行处理，只需要实现一个或多个 `IWeChatPayEventHandler` 处理器即可。当框架接受到微信通知时，会触发开发人员编写的处理器，并将微信结果传递给这些处理器。
 
 ```csharp
-  public class RefundWeChatPayEventHandler : IWeChatPayEventHandler<RefundOrderResponse>
+  public class RefundWeChatPayEventHandler : WeChatPayRefundEventHandlerBase
   {
-      public WeChatHandlerType Type => WeChatHandlerType.Refund;
-
-      public Task<WeChatRequestHandlingResult> HandleAsync(WeChatPayEventModel<RefundOrderResponse> model)
+      public Task<WeChatRequestHandlingResult> HandleAsync(WeChatPayEventModel<WeChatPayRefundEventModel> model)
       {
           Console.WriteLine("退款成功。");
           return Task.FromResult(new WeChatRequestHandlingResult(true));
diff --git a/src/Pay/EasyAbp.Abp.WeChat.Pay/RequestHandling/IWeChatPayEventHandler.cs b/src/Pay/EasyAbp.Abp.WeChat.Pay/RequestHandling/IWeChatPayEventHandler.cs
index 71b1e2e..7e793ee 100644
--- a/src/Pay/EasyAbp.Abp.WeChat.Pay/RequestHandling/IWeChatPayEventHandler.cs
+++ b/src/Pay/EasyAbp.Abp.WeChat.Pay/RequestHandling/IWeChatPayEventHandler.cs
@@ -6,10 +6,10 @@ namespace EasyAbp.Abp.WeChat.Pay.RequestHandling
     /// <summary>
     /// 定义了微信支付回调处理器。
     /// </summary>
-    public interface IWeChatPayEventHandler<TResource>
+    public interface IWeChatPayEventHandler<TEventModel>
     {
         WeChatHandlerType Type { get; }
 
-        Task<WeChatRequestHandlingResult> HandleAsync(WeChatPayEventModel<TResource> model);
+        Task<WeChatRequestHandlingResult> HandleAsync(WeChatPayEventModel<TEventModel> model);
     }
 }
\ No newline at end of file
diff --git a/src/Pay/EasyAbp.Abp.WeChat.Pay/RequestHandling/Models/WeChatPayPaidEventModel.cs b/src/Pay/EasyAbp.Abp.WeChat.Pay/RequestHandling/Models/WeChatPayPaidEventModel.cs
new file mode 100644
index 0000000..7683001
--- /dev/null
+++ b/src/Pay/EasyAbp.Abp.WeChat.Pay/RequestHandling/Models/WeChatPayPaidEventModel.cs
@@ -0,0 +1,457 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using EasyAbp.Abp.WeChat.Pay.Services.BasicPayment.Enums;
+using Newtonsoft.Json;
+
+namespace EasyAbp.Abp.WeChat.Pay.RequestHandling.Models;
+
+public class WeChatPayPaidEventModel
+{
+    /// <summary>
+    /// 应用 ID。
+    /// </summary>
+    /// <remarks>
+    /// 直连商户申请的公众号或移动应用 appid。
+    /// </remarks>
+    /// <example>
+    /// 示例值: wxd678efh567hg6787。
+    /// </example>
+    [Required]
+    [StringLength(32, MinimumLength = 1)]
+    [JsonProperty("appid")]
+    public string AppId { get; set; }
+
+    /// <summary>
+    /// 直连商户号。
+    /// </summary>
+    /// <remarks>
+    /// 直连商户的商户号，由微信支付生成并下发。
+    /// </remarks>
+    /// <example>
+    /// 示例值: 1230000109。
+    /// </example>
+    [Required]
+    [StringLength(32, MinimumLength = 1)]
+    [JsonProperty("mchid")]
+    public string MchId { get; set; }
+
+    /// <summary>
+    /// 商户订单号。
+    /// </summary>
+    /// <remarks>
+    /// 商户系统内部订单号，只能是数字、大小写字母_-*且在同一个商户号下唯一，详见【商户订单号】。
+    /// </remarks>
+    /// <example>
+    /// 示例值: 1217752501201407033233368018。
+    /// </example>
+    [Required]
+    [StringLength(32, MinimumLength = 6)]
+    [JsonProperty("out_trade_no")]
+    public string OutTradeNo { get; set; }
+
+    /// <summary>
+    /// 微信支付订单号。
+    /// </summary>
+    /// <remarks>
+    /// 微信支付系统生成的订单号。
+    /// </remarks>
+    /// <example>
+    /// 示例值: 1217752501201407033233368018。
+    /// </example>
+    [StringLength(32)]
+    [JsonProperty("transaction_id")]
+    public string TransactionId { get; set; }
+
+    /// <summary>
+    /// 交易类型。
+    /// </summary>
+    /// <remarks>
+    /// 交易类型为枚举值，具体值可参考 <see cref="TradeTypeEnum"/> 中找到对应的定义。
+    /// </remarks>
+    /// <example>
+    /// 示例值: MICROPAY。(<see cref="TradeTypeEnum"/>)。
+    /// </example>
+    [StringLength(16)]
+    [JsonProperty("trade_type")]
+    public string TradeType { get; set; }
+
+    /// <summary>
+    /// 交易状态。
+    /// </summary>
+    /// <remarks>
+    /// 交易状态为枚举值，具体值可以参考 <see cref="TradeStateEnum"/> 中找到对应的定义。
+    /// </remarks>
+    /// <example>
+    /// 示例值: SUCCESS(<see cref="TradeStateEnum.Success"/>)。
+    /// </example>
+    [Required]
+    [StringLength(32)]
+    [JsonProperty("trade_state")]
+    public string TradeState { get; set; }
+
+    /// <summary>
+    /// 交易状态描述。
+    /// </summary>
+    /// <remarks>
+    /// 交易状态描述。
+    /// </remarks>
+    /// <example>
+    /// 示例值: 支付成功。
+    /// </example>
+    [Required]
+    [StringLength(256)]
+    [JsonProperty("trade_state_desc")]
+    public string TradeStateDesc { get; set; }
+
+    /// <summary>
+    /// 付款银行。
+    /// </summary>
+    /// <remarks>
+    /// 银行类型，采用字符串类型的银行标识。银行标识请参考 <a href="https://pay.weixin.qq.com/wiki/doc/apiv3/terms_definition/chapter1_1_3.shtml#part-6">《银行类型对照表》</a>。
+    /// </remarks>
+    /// <example>
+    /// 示例值: CMC。
+    /// </example>
+    [StringLength(32)]
+    [JsonProperty("bank_type")]
+    public string BankType { get; set; }
+
+    /// <summary>
+    /// 附加数据。
+    /// </summary>
+    /// <remarks>
+    /// 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，实际情况下只有支付完成状态才会返回该字段。
+    /// </remarks>
+    /// <example>
+    /// 示例值: 自定义数据。
+    /// </example>
+    [StringLength(128)]
+    [JsonProperty("attach")]
+    public string Attach { get; set; }
+
+    /// <summary>
+    /// 支付完成时间。
+    /// </summary>
+    /// <remarks>
+    /// 遵循rfc3339标准格式，格式为YYYY-MM-DDTHH:mm:ss+TIMEZONE。<br/>
+    /// 开发人员只需要传递 DateTime 对象，底层的 Newtonsoft.Json 库会自动将其转换为符合微信支付要求的格式。
+    /// </remarks>
+    /// <example>
+    /// 示例值: 2018-06-08T10:34:56+08:00。
+    /// </example>
+    [StringLength(64)]
+    [JsonProperty("success_time")]
+    public DateTime? SuccessTime { get; set; }
+
+    /// <summary>
+    /// 支付者。
+    /// </summary>
+    /// <remarks>
+    /// 支付者信息。
+    /// </remarks>
+    [Required]
+    [JsonProperty("payer")]
+    public QueryOrderPayerModel Payer { get; set; }
+
+    /// <summary>
+    /// 订单金额。
+    /// </summary>
+    /// <remarks>
+    /// 订单金额信息，当支付成功时返回该字段。
+    /// </remarks>
+    [JsonProperty("amount")]
+    public QueryOrderAmountModel Amount { get; set; }
+
+    /// <summary>
+    /// 场景信息。
+    /// </summary>
+    /// <remarks>
+    /// 支付场景描述。
+    /// </remarks>
+    [JsonProperty("scene_info")]
+    public QueryOrderSceneInfoModel SceneInfo { get; set; }
+
+    /// <summary>
+    /// 优惠功能。
+    /// </summary>
+    /// <remarks>
+    /// 优惠功能，享受优惠时返回该字段。
+    /// </remarks>
+    [JsonProperty("promotion_detail")]
+    public List<QueryOrderPromotionDetailModel> PromotionDetails { get; set; }
+
+    public class QueryOrderPayerModel
+    {
+        /// <summary>
+        /// 用户标识。
+        /// </summary>
+        /// <remarks>
+        /// 用户在直连商户 appid 下的唯一标识。
+        /// </remarks>
+        /// <example>
+        /// 示例值: oUpF8uMuAJO_M2pxb1Q9zNjWeS6o。
+        /// </example>
+        [Required]
+        [StringLength(128, MinimumLength = 1)]
+        [JsonProperty("openid")]
+        public string OpenId { get; set; }
+    }
+
+    public class QueryOrderAmountModel
+    {
+        /// <summary>
+        /// 总金额。
+        /// </summary>
+        /// <remarks>
+        /// 订单总金额，单位为分。
+        /// </remarks>
+        /// <example>
+        /// 示例值: 100。
+        /// </example>
+        [JsonProperty("total")]
+        public int Total { get; set; }
+
+        /// <summary>
+        /// 用户支付金额。
+        /// </summary>
+        /// <remarks>
+        /// 用户支付金额，单位为分。(指使用优惠券的情况下，这里等于总金额-优惠券金额)
+        /// </remarks>
+        /// <example>
+        /// 示例值: 100。
+        /// </example>
+        [JsonProperty("payer_total")]
+        public int PayerTotal { get; set; }
+
+        /// <summary>
+        /// 货币类型。
+        /// </summary>
+        /// <remarks>
+        /// CNY: 人民币，境内商户号仅支持人民币。
+        /// </remarks>
+        /// <example>
+        /// 示例值: CNY。
+        /// </example>
+        [StringLength(16)]
+        [JsonProperty("currency")]
+        public string Currency { get; set; }
+
+        /// <summary>
+        /// 用户支付币种。
+        /// </summary>
+        /// <remarks>
+        /// 用户支付币种。
+        /// </remarks>
+        /// <example>
+        /// 示例值: CNY。
+        /// </example>
+        [StringLength(16)]
+        [JsonProperty("payer_currency")]
+        public string PayerCurrency { get; set; }
+    }
+
+    public class QueryOrderSceneInfoModel
+    {
+        /// <summary>
+        /// 商户端设备号。
+        /// </summary>
+        /// <remarks>
+        /// 商户端设备号 (发起扣款请求的商户服务器设备号)。
+        /// </remarks>
+        /// <example>
+        /// 示例值: 013467007045764。
+        /// </example>
+        [StringLength(32)]
+        [JsonProperty("device_id")]
+        public string DeviceId { get; set; }
+    }
+}
+
+public class QueryOrderPromotionDetailModel
+{
+    /// <summary>
+    /// 券 ID。
+    /// </summary>
+    /// <example>
+    /// 示例值: 109519。
+    /// </example>
+    [Required]
+    [StringLength(32)]
+    [JsonProperty("coupon_id")]
+    public string CouponId { get; set; }
+
+    /// <summary>
+    /// 优惠名称。
+    /// </summary>
+    /// <example>
+    /// 示例值: 单品惠-6。
+    /// </example>
+    [StringLength(64)]
+    [JsonProperty("name")]
+    public string Name { get; set; }
+
+    /// <summary>
+    /// 优惠范围。
+    /// </summary>
+    /// <remarks>
+    /// 枚举值，取值范围请参考 <see cref="PromotionScopeEnum"/>。
+    /// </remarks>
+    /// <example>
+    /// 示例值: GLOBAL。(<see cref="PromotionScopeEnum.Global"/>)
+    /// </example>
+    [StringLength(32)]
+    [JsonProperty("scope")]
+    public string Scope { get; set; }
+
+    /// <summary>
+    /// 优惠类型。
+    /// </summary>
+    /// <remarks>
+    /// 枚举值，取值范围请参考 <see cref="CouponTypeEnum"/>。
+    /// </remarks>
+    /// <example>
+    /// 示例值: CASH。(<see cref="CouponTypeEnum.Cash"/>)
+    /// </example>
+    [StringLength(32)]
+    [JsonProperty("type")]
+    public string Type { get; set; }
+
+    /// <summary>
+    /// 优惠券面额。
+    /// </summary>
+    /// <example>
+    /// 示例值: 100。
+    /// </example>
+    [Required]
+    [JsonProperty("amount")]
+    public int Amount { get; set; }
+
+    /// <summary>
+    /// 活动 ID。
+    /// </summary>
+    /// <example>
+    /// 示例值: 931386。
+    /// </example>
+    [StringLength(32)]
+    [JsonProperty("stock_id")]
+    public string StockId { get; set; }
+
+    /// <summary>
+    /// 微信出资。
+    /// </summary>
+    /// <remarks>
+    /// 微信出资，单位为分。
+    /// </remarks>
+    /// <example>
+    /// 示例值: 0
+    /// </example>
+    [JsonProperty("wechatpay_contribute")]
+    public int WechatpayContribute { get; set; }
+
+    /// <summary>
+    /// 商户出资。
+    /// </summary>
+    /// <remarks>
+    /// 商户出资，单位为分。
+    /// </remarks>
+    /// <example>
+    /// 示例值: 0
+    /// </example>
+    [JsonProperty("merchant_contribute")]
+    public int MerchantContribute { get; set; }
+
+    /// <summary>
+    /// 其他出资。
+    /// </summary>
+    /// <remarks>
+    /// 其他出资，单位为分。
+    /// </remarks>
+    /// <example>
+    /// 示例值: 0
+    /// </example>
+    [JsonProperty("other_contribute")]
+    public int OtherContribute { get; set; }
+
+    /// <summary>
+    /// 优惠币种。
+    /// </summary>
+    /// <remarks>
+    /// CNY: 人民币，境内商户号仅支持人民币。
+    /// </remarks>
+    /// <example>
+    /// 示例值: CNY
+    /// </example>
+    [StringLength(16)]
+    [JsonProperty("currency")]
+    public string Currency { get; set; }
+
+    /// <summary>
+    /// 单品列表。
+    /// </summary>
+    /// <remarks>
+    /// 单品列表信息。
+    /// </remarks>
+    [JsonProperty("goods_detail")]
+    public List<QueryOrderPromotionDetailGoodsDetail> GoodsDetails { get; set; }
+
+    public class QueryOrderPromotionDetailGoodsDetail
+    {
+        /// <summary>
+        /// 商品编码。
+        /// </summary>
+        /// <example>
+        /// 示例值: M1006
+        /// </example>
+        [Required]
+        [StringLength(32)]
+        [JsonProperty("goods_id")]
+        public string GoodsId { get; set; }
+
+        /// <summary>
+        /// 商品数量。
+        /// </summary>
+        /// <example>
+        /// 用户购买的数量。
+        /// </example>
+        /// <example>
+        /// 示例值: 1
+        /// </example>
+        [Required]
+        [JsonProperty("quantity")]
+        public int Quantity { get; set; }
+
+        /// <summary>
+        /// 商品单价。
+        /// </summary>
+        /// <remarks>
+        /// 商品单价，单位为分。
+        /// </remarks>
+        /// <example>
+        /// 示例值: 100
+        /// </example>
+        [Required]
+        [JsonProperty("unit_price")]
+        public int UnitPrice { get; set; }
+
+        /// <summary>
+        /// 商品优惠金额。
+        /// </summary>
+        /// <example>
+        /// 示例值: 0
+        /// </example>
+        [Required]
+        [JsonProperty("discount_amount")]
+        public int DiscountAmount { get; set; }
+
+        /// <summary>
+        /// 商品备注。
+        /// </summary>
+        /// <example>
+        /// 示例值: 商品备注信息
+        /// </example>
+        [StringLength(128)]
+        [JsonProperty("goods_remark")]
+        public string GoodsRemark { get; set; }
+    }
+}
\ No newline at end of file
diff --git a/src/Pay/EasyAbp.Abp.WeChat.Pay/RequestHandling/Models/WeChatPayRefundEventModel.cs b/src/Pay/EasyAbp.Abp.WeChat.Pay/RequestHandling/Models/WeChatPayRefundEventModel.cs
new file mode 100644
index 0000000..20c386c
--- /dev/null
+++ b/src/Pay/EasyAbp.Abp.WeChat.Pay/RequestHandling/Models/WeChatPayRefundEventModel.cs
@@ -0,0 +1,201 @@
+using System;
+using System.ComponentModel.DataAnnotations;
+using EasyAbp.Abp.WeChat.Pay.Services.BasicPayment.Enums;
+using Newtonsoft.Json;
+
+namespace EasyAbp.Abp.WeChat.Pay.RequestHandling.Models;
+
+public class WeChatPayRefundEventModel
+{
+    /// <summary>
+    /// 直连商户号。
+    /// </summary>
+    /// <remarks>
+    /// 直连商户的商户号，由微信支付生成并下发。
+    /// </remarks>
+    /// <example>示例值: 1230000109。</example>
+    [JsonProperty("mchid")]
+    [Required]
+    [StringLength(32, MinimumLength = 1)]
+    public string MchId { get; set; }
+
+    /// <summary>
+    /// 商户订单号。
+    /// </summary>
+    /// <remarks>
+    /// 原支付交易对应的商户订单号。
+    /// </remarks>
+    /// <example>
+    /// 示例值: 1217752501201407033233368018
+    /// </example>
+    [JsonProperty("out_trade_no")]
+    [Required]
+    [StringLength(32, MinimumLength = 1)]
+    public string OutTradeNo { get; set; }
+
+    /// <summary>
+    /// 微信支付订单号。
+    /// </summary>
+    /// <remarks>
+    /// 微信支付交易订单号。
+    /// </remarks>
+    /// <example>
+    /// 示例值: 1217752501201407033233368018
+    /// </example>
+    [JsonProperty("transaction_id")]
+    [Required]
+    [StringLength(32, MinimumLength = 1)]
+
+    public string TransactionId { get; set; }
+
+    /// <summary>
+    /// 商户退款单号。
+    /// </summary>
+    /// <remarks>
+    /// 商户系统内部的退款单号，商户系统内部唯一，只能是数字、大小写字母_-|*@ ，同一退款单号多次请求只退一笔。
+    /// </remarks>
+    /// <example>
+    /// 示例值: 1217752501201407033233368018
+    /// </example>
+    [JsonProperty("out_refund_no")]
+    [Required]
+    [StringLength(64, MinimumLength = 1)]
+    public string OutRefundNo { get; set; }
+
+    /// <summary>
+    /// 微信支付退款单号。
+    /// </summary>
+    /// <remarks>
+    /// 微信支付退款单号。
+    /// </remarks>
+    /// <example>
+    /// 示例值: 50000000382019052709732678859
+    /// </example>
+    [JsonProperty("refund_id")]
+    [Required]
+    [StringLength(32, MinimumLength = 1)]
+    public string RefundId { get; set; }
+
+    /// <summary>
+    /// 退款状态。
+    /// </summary>
+    /// <remarks>
+    /// 退款到银行发现用户的卡作废或者冻结了，导致原路退款银行卡失败，可前往商户平台-交易中心，手动处理此笔退款。<br/>
+    /// 具体状态值可以参考类型 <see cref="RefundStatusEnum"/> 的定义（事件中不会包含 PROCESSING 状态）。
+    /// </remarks>
+    /// <example>
+    /// 示例值: SUCCESS
+    /// </example>
+    [JsonProperty("refund_status")]
+    [Required]
+    [StringLength(32, MinimumLength = 1)]
+    public string RefundStatus { get; set; }
+
+    /// <summary>
+    /// 退款成功时间。
+    /// </summary>
+    /// <remarks>
+    /// 退款成功时间，当退款状态为退款成功时有返回。
+    /// </remarks>
+    /// <example>
+    /// 示例值: 2020-12-01T16:18:12+08:00
+    /// </example>
+    [JsonProperty("success_time")]
+    [StringLength(64, MinimumLength = 1)]
+    public DateTime? SuccessTime { get; set; }
+
+    /// <summary>
+    /// 退款入账账户。
+    /// </summary>
+    /// <remarks>
+    /// 取当前退款单的退款入账方，有以下几种情况: <br/>
+    /// 1. 退回银行卡: {银行名称}{卡类型}{卡尾号} <br/>
+    /// 2. 退回支付用户零钱: 支付用户零钱 <br/>
+    /// 3. 退还商户: 商户基本账户商户结算银行账户 <br/>
+    /// 4. 退回支付用户零钱通:支付用户零钱通
+    /// </remarks>
+    /// <remarks>
+    /// 示例值: 招商银行信用卡0403
+    /// </remarks>
+    [JsonProperty("user_received_account")]
+    [Required]
+    [StringLength(64, MinimumLength = 1)]
+    public string UserReceivedAccount { get; set; }
+
+    /// <summary>
+    /// 退款创建时间。
+    /// </summary>
+    /// <remarks>
+    /// 退款受理时间。
+    /// </remarks>
+    /// <example>示例值: 2020-12-01T16:18:12+08:00</example>
+    [JsonProperty("create_time")]
+    [Required]
+    [StringLength(64, MinimumLength = 1)]
+    public DateTime? CreateTime { get; set; }
+
+    /// <summary>
+    /// 金额信息。
+    /// </summary>
+    /// <remarks>
+    /// 金额详细信息。
+    /// </remarks>
+    [JsonProperty("amount")]
+    [Required]
+    public AmountInfo Amount { get; set; }
+
+    public class AmountInfo
+    {
+        /// <summary>
+        /// 订单金额。
+        /// </summary>
+        /// <remarks>
+        /// 订单总金额，单位为分。
+        /// </remarks>
+        /// <example>
+        /// 示例值: 100
+        /// </example>
+        [JsonProperty("total")]
+        [Required]
+        public int Total { get; set; }
+
+        /// <summary>
+        /// 退款金额。
+        /// </summary>
+        /// <remarks>
+        /// 退款标价金额，单位为分，可以做部分退款。
+        /// </remarks>
+        /// <example>
+        /// 示例值: 100
+        /// </example>
+        [JsonProperty("refund")]
+        [Required]
+        public int Refund { get; set; }
+
+        /// <summary>
+        /// 用户支付金额。
+        /// </summary>
+        /// <remarks>
+        /// 现金支付金额，单位为分，只能为整数。
+        /// </remarks>
+        /// <example>
+        /// 示例值: 90
+        /// </example>
+        [JsonProperty("payer_total")]
+        [Required]
+        public int PayerTotal { get; set; }
+
+        /// <summary>
+        /// 用户退款金额。
+        /// </summary>
+        /// <remarks>
+        /// 退款给用户的金额，不包含所有优惠券金额。
+        /// </remarks>
+        /// <example>
+        /// 示例值: 90
+        /// </example>
+        [JsonProperty("payer_refund")]
+        [Required]
+        public int PayerRefund { get; set; }
+    }
+}
\ No newline at end of file
diff --git a/src/Pay/EasyAbp.Abp.WeChat.Pay/RequestHandling/WeChatPayPaidEventHandlerBase.cs b/src/Pay/EasyAbp.Abp.WeChat.Pay/RequestHandling/WeChatPayPaidEventHandlerBase.cs
new file mode 100644
index 0000000..99f87fa
--- /dev/null
+++ b/src/Pay/EasyAbp.Abp.WeChat.Pay/RequestHandling/WeChatPayPaidEventHandlerBase.cs
@@ -0,0 +1,12 @@
+using System.Threading.Tasks;
+using EasyAbp.Abp.WeChat.Common.RequestHandling;
+using EasyAbp.Abp.WeChat.Pay.RequestHandling.Models;
+
+namespace EasyAbp.Abp.WeChat.Pay.RequestHandling;
+
+public abstract class WeChatPayPaidEventHandlerBase : IWeChatPayEventHandler<WeChatPayPaidEventModel>
+{
+    public virtual WeChatHandlerType Type => WeChatHandlerType.Paid;
+
+    public abstract Task<WeChatRequestHandlingResult> HandleAsync(WeChatPayEventModel<WeChatPayPaidEventModel> model);
+}
\ No newline at end of file
diff --git a/src/Pay/EasyAbp.Abp.WeChat.Pay/RequestHandling/WeChatPayRefundEventHandlerBase.cs b/src/Pay/EasyAbp.Abp.WeChat.Pay/RequestHandling/WeChatPayRefundEventHandlerBase.cs
new file mode 100644
index 0000000..2bdf7bd
--- /dev/null
+++ b/src/Pay/EasyAbp.Abp.WeChat.Pay/RequestHandling/WeChatPayRefundEventHandlerBase.cs
@@ -0,0 +1,12 @@
+using System.Threading.Tasks;
+using EasyAbp.Abp.WeChat.Common.RequestHandling;
+using EasyAbp.Abp.WeChat.Pay.RequestHandling.Models;
+
+namespace EasyAbp.Abp.WeChat.Pay.RequestHandling;
+
+public abstract class WeChatPayRefundEventHandlerBase : IWeChatPayEventHandler<WeChatPayRefundEventModel>
+{
+    public virtual WeChatHandlerType Type => WeChatHandlerType.Refund;
+
+    public abstract Task<WeChatRequestHandlingResult> HandleAsync(WeChatPayEventModel<WeChatPayRefundEventModel> model);
+}
\ No newline at end of file