diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Events/WxaSecurity/WxaMediaCheckEvent.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Events/WxaSecurity/WxaMediaCheckEvent.cs
index 00d6216e..9a655c4c 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Events/WxaSecurity/WxaMediaCheckEvent.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Events/WxaSecurity/WxaMediaCheckEvent.cs
@@ -1,4 +1,4 @@
-namespace SKIT.FlurlHttpClient.Wechat.Api.Events
+namespace SKIT.FlurlHttpClient.Wechat.Api.Events
 {
     /// <summary>
     /// <para>表示 EVENT.wxa_media_check 事件的数据。</para>
@@ -90,7 +90,7 @@
         [Newtonsoft.Json.JsonProperty("extra_info_json")]
         [System.Text.Json.Serialization.JsonPropertyName("extra_info_json")]
         [System.Xml.Serialization.XmlElement("extra_info_json", IsNullable = true)]
-        public string? JsonExtra { get; set; }
+        public string? ExtraJson { get; set; }
 
         /// <summary>
         /// 获取或设置小程序 AppId。
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Extensions/WechatApiClientExecuteWxaExtensions.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Extensions/WechatApiClientExecuteWxaExtensions.cs
index a88ee3a3..b16e2cd0 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Extensions/WechatApiClientExecuteWxaExtensions.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Extensions/WechatApiClientExecuteWxaExtensions.cs
@@ -1005,6 +1005,68 @@ namespace SKIT.FlurlHttpClient.Wechat.Api
         }
         #endregion
 
+        #region UserNotify
+        /// <summary>
+        /// <para>异步调用 [POST] /wxa/set_user_notify 接口。</para>
+        /// <para>REF: https://developers.weixin.qq.com/miniprogram/dev/OpenApiDoc/mp-message-management/subscribe-message/setUserNotify.html </para>
+        /// </summary>
+        /// <param name="client"></param>
+        /// <param name="request"></param>
+        /// <param name="cancellationToken"></param>
+        /// <returns></returns>
+        public static async Task<Models.WxaSetUserNotifyResponse> ExecuteWxaSetUserNotifyAsync(this WechatApiClient client, Models.WxaSetUserNotifyRequest request, CancellationToken cancellationToken = default)
+        {
+            if (client is null) throw new ArgumentNullException(nameof(client));
+            if (request is null) throw new ArgumentNullException(nameof(request));
+
+            IFlurlRequest flurlReq = client
+                .CreateRequest(request, HttpMethod.Post, "wxa", "set_user_notify")
+                .SetQueryParam("access_token", request.AccessToken);
+
+            return await client.SendRequestWithJsonAsync<Models.WxaSetUserNotifyResponse>(flurlReq, data: request, cancellationToken: cancellationToken);
+        }
+
+        /// <summary>
+        /// <para>异步调用 [POST] /wxa/get_user_notify 接口。</para>
+        /// <para>REF: https://developers.weixin.qq.com/miniprogram/dev/OpenApiDoc/mp-message-management/subscribe-message/getUserNotify.html </para>
+        /// </summary>
+        /// <param name="client"></param>
+        /// <param name="request"></param>
+        /// <param name="cancellationToken"></param>
+        /// <returns></returns>
+        public static async Task<Models.WxaGetUserNotifyResponse> ExecuteWxaGetUserNotifyAsync(this WechatApiClient client, Models.WxaGetUserNotifyRequest request, CancellationToken cancellationToken = default)
+        {
+            if (client is null) throw new ArgumentNullException(nameof(client));
+            if (request is null) throw new ArgumentNullException(nameof(request));
+
+            IFlurlRequest flurlReq = client
+                .CreateRequest(request, HttpMethod.Post, "wxa", "get_user_notify")
+                .SetQueryParam("access_token", request.AccessToken);
+
+            return await client.SendRequestWithJsonAsync<Models.WxaGetUserNotifyResponse>(flurlReq, data: request, cancellationToken: cancellationToken);
+        }
+
+        /// <summary>
+        /// <para>异步调用 [POST] /wxa/set_user_notifyext 接口。</para>
+        /// <para>REF: https://developers.weixin.qq.com/miniprogram/dev/OpenApiDoc/mp-message-management/subscribe-message/setUserNotifyExt.html </para>
+        /// </summary>
+        /// <param name="client"></param>
+        /// <param name="request"></param>
+        /// <param name="cancellationToken"></param>
+        /// <returns></returns>
+        public static async Task<Models.WxaSetUserNotifyExtraResponse> ExecuteWxaSetUserNotifyExtraAsync(this WechatApiClient client, Models.WxaSetUserNotifyExtraRequest request, CancellationToken cancellationToken = default)
+        {
+            if (client is null) throw new ArgumentNullException(nameof(client));
+            if (request is null) throw new ArgumentNullException(nameof(request));
+
+            IFlurlRequest flurlReq = client
+                .CreateRequest(request, HttpMethod.Post, "wxa", "set_user_notifyext")
+                .SetQueryParam("access_token", request.AccessToken);
+
+            return await client.SendRequestWithJsonAsync<Models.WxaSetUserNotifyExtraResponse>(flurlReq, data: request, cancellationToken: cancellationToken);
+        }
+        #endregion
+
         #region WxaCode
         /// <summary>
         /// <para>异步调用 [POST] /wxa/getwxacode 接口。</para>
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Wxa/UserNotify/WxaGetUserNotifyRequest.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Wxa/UserNotify/WxaGetUserNotifyRequest.cs
new file mode 100644
index 00000000..80bef478
--- /dev/null
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Wxa/UserNotify/WxaGetUserNotifyRequest.cs
@@ -0,0 +1,29 @@
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+{
+    /// <summary>
+    /// <para>表示 [POST] /wxa/get_user_notify 接口的请求。</para>
+    /// </summary>
+    public class WxaGetUserNotifyRequest : WechatApiRequest, IInferable<WxaGetUserNotifyRequest, WxaGetUserNotifyResponse>
+    {
+        /// <summary>
+        /// 获取或设置用户的 OpenId。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("openid")]
+        [System.Text.Json.Serialization.JsonPropertyName("openid")]
+        public string OpenId { get; set; } = string.Empty;
+
+        /// <summary>
+        /// 获取或设置卡片类型。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("notify_type")]
+        [System.Text.Json.Serialization.JsonPropertyName("notify_type")]
+        public int NotifyType { get; set; }
+
+        /// <summary>
+        /// 获取或设置动态更新令牌。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("notify_code")]
+        [System.Text.Json.Serialization.JsonPropertyName("notify_code")]
+        public string NotifyCode { get; set; } = string.Empty;
+    }
+}
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Wxa/UserNotify/WxaGetUserNotifyResponse.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Wxa/UserNotify/WxaGetUserNotifyResponse.cs
new file mode 100644
index 00000000..05e666e5
--- /dev/null
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Wxa/UserNotify/WxaGetUserNotifyResponse.cs
@@ -0,0 +1,49 @@
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+{
+    /// <summary>
+    /// <para>表示 [POST] /wxa/get_user_notify 接口的响应。</para>
+    /// </summary>
+    public class WxaGetUserNotifyResponse : WechatApiResponse
+    {
+        public static class Types
+        {
+            public class NotifyInfo
+            {
+                /// <summary>
+                /// 获取或设置卡片类型。
+                /// </summary>
+                [Newtonsoft.Json.JsonProperty("notify_type")]
+                [System.Text.Json.Serialization.JsonPropertyName("notify_type")]
+                public int NotifyType { get; set; }
+
+                /// <summary>
+                /// 获取或设置通知状态。
+                /// </summary>
+                [Newtonsoft.Json.JsonProperty("code_state")]
+                [System.Text.Json.Serialization.JsonPropertyName("code_state")]
+                public int CodeState { get; set; }
+
+                /// <summary>
+                /// 获取或设置通知过期时间戳。
+                /// </summary>
+                [Newtonsoft.Json.JsonProperty("code_expire_time")]
+                [System.Text.Json.Serialization.JsonPropertyName("code_expire_time")]
+                public long CodeExpireTimestamp { get; set; } 
+
+                /// <summary>
+                /// 获取或设置卡片状态与状态相关字段 JSON 数据。
+                /// </summary>
+                [Newtonsoft.Json.JsonProperty("content_json")]
+                [System.Text.Json.Serialization.JsonPropertyName("content_json")]
+                public string? ContentJson { get; set; }
+            }
+        }
+
+        /// <summary>
+        /// 获取或设置服务卡片信息。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("notify_info")]
+        [System.Text.Json.Serialization.JsonPropertyName("notify_info")]
+        public Types.NotifyInfo NotifyInfo { get; set; } = default!;
+    }
+}
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Wxa/UserNotify/WxaSetUserNotifyExtraRequest.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Wxa/UserNotify/WxaSetUserNotifyExtraRequest.cs
new file mode 100644
index 00000000..26395204
--- /dev/null
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Wxa/UserNotify/WxaSetUserNotifyExtraRequest.cs
@@ -0,0 +1,36 @@
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+{
+    /// <summary>
+    /// <para>表示 [POST] /wxa/set_user_notifyext 接口的请求。</para>
+    /// </summary>
+    public class WxaSetUserNotifyExtraRequest : WechatApiRequest, IInferable<WxaSetUserNotifyExtraRequest, WxaSetUserNotifyExtraResponse>
+    {
+        /// <summary>
+        /// 获取或设置用户的 OpenId。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("openid")]
+        [System.Text.Json.Serialization.JsonPropertyName("openid")]
+        public string OpenId { get; set; } = string.Empty;
+
+        /// <summary>
+        /// 获取或设置通知类型。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("notify_type")]
+        [System.Text.Json.Serialization.JsonPropertyName("notify_type")]
+        public int NotifyType { get; set; }
+
+        /// <summary>
+        /// 获取或设置动态更新令牌。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("notify_code")]
+        [System.Text.Json.Serialization.JsonPropertyName("notify_code")]
+        public string NotifyCode { get; set; } = string.Empty;
+
+        /// <summary>
+        /// 获取或设置扩展信息 JSON 数据。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("ext_json")]
+        [System.Text.Json.Serialization.JsonPropertyName("ext_json")]
+        public string? ExtraJson { get; set; }
+    }
+}
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Wxa/UserNotify/WxaSetUserNotifyExtraResponse.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Wxa/UserNotify/WxaSetUserNotifyExtraResponse.cs
new file mode 100644
index 00000000..a4c535fd
--- /dev/null
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Wxa/UserNotify/WxaSetUserNotifyExtraResponse.cs
@@ -0,0 +1,9 @@
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+{
+    /// <summary>
+    /// <para>表示 [POST] /wxa/set_user_notifyext 接口的响应。</para>
+    /// </summary>
+    public class WxaSetUserNotifyExtraResponse : WechatApiResponse
+    {
+    }
+}
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Wxa/UserNotify/WxaSetUserNotifyRequest.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Wxa/UserNotify/WxaSetUserNotifyRequest.cs
new file mode 100644
index 00000000..123549f6
--- /dev/null
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Wxa/UserNotify/WxaSetUserNotifyRequest.cs
@@ -0,0 +1,43 @@
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+{
+    /// <summary>
+    /// <para>表示 [POST] /wxa/set_user_notify 接口的请求。</para>
+    /// </summary>
+    public class WxaSetUserNotifyRequest : WechatApiRequest, IInferable<WxaSetUserNotifyRequest, WxaSetUserNotifyResponse>
+    {
+        /// <summary>
+        /// 获取或设置用户的 OpenId。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("openid")]
+        [System.Text.Json.Serialization.JsonPropertyName("openid")]
+        public string OpenId { get; set; } = string.Empty;
+
+        /// <summary>
+        /// 获取或设置通知类型。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("notify_type")]
+        [System.Text.Json.Serialization.JsonPropertyName("notify_type")]
+        public int NotifyType { get; set; }
+
+        /// <summary>
+        /// 获取或设置动态更新令牌。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("notify_code")]
+        [System.Text.Json.Serialization.JsonPropertyName("notify_code")]
+        public string NotifyCode { get; set; } = string.Empty;
+
+        /// <summary>
+        /// 获取或设置卡片状态与状态相关字段 JSON 数据。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("content_json")]
+        [System.Text.Json.Serialization.JsonPropertyName("content_json")]
+        public string? ContentJson { get; set; }
+
+        /// <summary>
+        /// 获取或设置微信支付订单号验证字段 JSON 数据。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("check_json")]
+        [System.Text.Json.Serialization.JsonPropertyName("check_json")]
+        public string? CheckJson { get; set; }
+    }
+}
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Wxa/UserNotify/WxaSetUserNotifyResponse.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Wxa/UserNotify/WxaSetUserNotifyResponse.cs
new file mode 100644
index 00000000..820c33b0
--- /dev/null
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Wxa/UserNotify/WxaSetUserNotifyResponse.cs
@@ -0,0 +1,9 @@
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+{
+    /// <summary>
+    /// <para>表示 [POST] /wxa/set_user_notify 接口的响应。</para>
+    /// </summary>
+    public class WxaSetUserNotifyResponse : WechatApiResponse
+    {
+    }
+}
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/WxaComponent/Code/WxaCommitRequest.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/WxaComponent/Code/WxaCommitRequest.cs
index eeb0bc02..54f49a44 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/WxaComponent/Code/WxaCommitRequest.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/WxaComponent/Code/WxaCommitRequest.cs
@@ -1,4 +1,4 @@
-namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
 {
     /// <summary>
     /// <para>表示 [POST] /wxa/commit 接口的请求。</para>
@@ -17,7 +17,7 @@
         /// </summary>
         [Newtonsoft.Json.JsonProperty("ext_json")]
         [System.Text.Json.Serialization.JsonPropertyName("ext_json")]
-        public string JsonExtra { get; set; } = "{}";
+        public string ExtraJson { get; set; } = "{}";
 
         /// <summary>
         /// 获取或设置用户自定义版本号。
diff --git a/test/SKIT.FlurlHttpClient.Wechat.Api.UnitTests/ModelSamples/Wxa/UserNotify/WxaGetUserNotifyRequest.json b/test/SKIT.FlurlHttpClient.Wechat.Api.UnitTests/ModelSamples/Wxa/UserNotify/WxaGetUserNotifyRequest.json
new file mode 100644
index 00000000..3b91f61e
--- /dev/null
+++ b/test/SKIT.FlurlHttpClient.Wechat.Api.UnitTests/ModelSamples/Wxa/UserNotify/WxaGetUserNotifyRequest.json
@@ -0,0 +1,5 @@
+{
+    "openid": "xxx",
+    "notify_type": 1001,
+    "notify_code": "xxx"
+}
diff --git a/test/SKIT.FlurlHttpClient.Wechat.Api.UnitTests/ModelSamples/Wxa/UserNotify/WxaGetUserNotifyResponse.json b/test/SKIT.FlurlHttpClient.Wechat.Api.UnitTests/ModelSamples/Wxa/UserNotify/WxaGetUserNotifyResponse.json
new file mode 100644
index 00000000..0aea10bf
--- /dev/null
+++ b/test/SKIT.FlurlHttpClient.Wechat.Api.UnitTests/ModelSamples/Wxa/UserNotify/WxaGetUserNotifyResponse.json
@@ -0,0 +1,10 @@
+{
+    "errcode": 0,
+    "errmsg": "ok",
+    "notify_info": {
+        "notify_type": 1001,
+        "content_json": "{\"cur_status\":2,\"license_plate\":\"粤A·12345A\",\"arrival_time\":1679569348,\"wxa_path_query\":\"\"}",
+        "code_state": 1,
+        "code_expire_time": 1681906267
+    }
+}
diff --git a/test/SKIT.FlurlHttpClient.Wechat.Api.UnitTests/ModelSamples/Wxa/UserNotify/WxaSetUserNotifyExtraRequest.json b/test/SKIT.FlurlHttpClient.Wechat.Api.UnitTests/ModelSamples/Wxa/UserNotify/WxaSetUserNotifyExtraRequest.json
new file mode 100644
index 00000000..3a7cdbe8
--- /dev/null
+++ b/test/SKIT.FlurlHttpClient.Wechat.Api.UnitTests/ModelSamples/Wxa/UserNotify/WxaSetUserNotifyExtraRequest.json
@@ -0,0 +1,6 @@
+{
+    "notify_type": 1003,
+    "openid": "xxx",
+    "notify_code": "xxx",
+    "ext_json": "{\"pay_info\":\"{\\\"transaction_id\\\":\\\"4200001855202305090060871147\\\",\\\"pay_amount\\\":2001,\\\"pay_time\\\":1683546394}\",\"store_info\":\"{\\\"store_name\\\":\\\"westore\\\",\\\"store_address\\\":\\\"深圳市南山区南山大道18号\\\",\\\"latitude\\\":22,\\\"longitude\\\":114}\"}"
+}
diff --git a/test/SKIT.FlurlHttpClient.Wechat.Api.UnitTests/ModelSamples/Wxa/UserNotify/WxaSetUserNotifyRequest.json b/test/SKIT.FlurlHttpClient.Wechat.Api.UnitTests/ModelSamples/Wxa/UserNotify/WxaSetUserNotifyRequest.json
new file mode 100644
index 00000000..6dafeaac
--- /dev/null
+++ b/test/SKIT.FlurlHttpClient.Wechat.Api.UnitTests/ModelSamples/Wxa/UserNotify/WxaSetUserNotifyRequest.json
@@ -0,0 +1,7 @@
+{
+    "notify_type": 1001,
+    "openid": "xxx",
+    "notify_code": "xxx",
+    "check_json": "{\"pay_amount\":1005,\"pay_time\": 1683525070}",
+    "content_json": "{\"cur_status\":2,\"license_plate\":\"粤A12345A\",\"arrival_time\":1679569348,\"wxa_path_query\":\"\"}"
+}