diff --git a/src/SKIT.FlurlHttpClient.Wechat.TenpayV3/Extensions/WechatTenpayClientExecuteIoTManageExtensions.cs b/src/SKIT.FlurlHttpClient.Wechat.TenpayV3/Extensions/WechatTenpayClientExecuteIoTManageExtensions.cs
new file mode 100644
index 00000000..da75ecf4
--- /dev/null
+++ b/src/SKIT.FlurlHttpClient.Wechat.TenpayV3/Extensions/WechatTenpayClientExecuteIoTManageExtensions.cs
@@ -0,0 +1,30 @@
+using System;
+using System.Net.Http;
+using System.Threading;
+using System.Threading.Tasks;
+using Flurl.Http;
+
+namespace SKIT.FlurlHttpClient.Wechat.TenpayV3
+{
+    public static class WechatTenpayClientExecuteIoTManageExtensions
+    {
+        /// <summary>
+        /// <para>异步调用 [GET] /iotmanage/devices 接口。</para>
+        /// <para>REF: https://pay.weixin.qq.com/wiki/doc/wxfacepay/develop/point/iotmanage-devices.html </para>
+        /// </summary>
+        /// <param name="client"></param>
+        /// <param name="request"></param>
+        /// <param name="cancellationToken"></param>
+        /// <returns></returns>
+        public static async Task<Models.QueryIoTManageDevicesResponse> ExecuteQueryIoTManageDevicesAsync(this WechatTenpayClient client, Models.QueryIoTManageDevicesRequest 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.Get, "iotmanage", "devices");
+
+            return await client.SendRequestWithJsonAsync<Models.QueryIoTManageDevicesResponse>(flurlReq, data: request, cancellationToken: cancellationToken);
+        }
+    }
+}
diff --git a/src/SKIT.FlurlHttpClient.Wechat.TenpayV3/Models/IoTManage/QueryIoTManageDevicesRequest.cs b/src/SKIT.FlurlHttpClient.Wechat.TenpayV3/Models/IoTManage/QueryIoTManageDevicesRequest.cs
new file mode 100644
index 00000000..37c530ac
--- /dev/null
+++ b/src/SKIT.FlurlHttpClient.Wechat.TenpayV3/Models/IoTManage/QueryIoTManageDevicesRequest.cs
@@ -0,0 +1,22 @@
+namespace SKIT.FlurlHttpClient.Wechat.TenpayV3.Models
+{
+    /// <summary>
+    /// <para>表示 [GET] /iotmanage/devices 接口的请求。</para>
+    /// </summary>
+    public class QueryIoTManageDevicesRequest : WechatTenpayRequest
+    {
+        /// <summary>
+        /// 获取或设置分页大小。
+        /// </summary>
+        [Newtonsoft.Json.JsonIgnore]
+        [System.Text.Json.Serialization.JsonIgnore]
+        public int Limit { get; set; } = 10;
+
+        /// <summary>
+        /// 获取或设置分页开始位置。
+        /// </summary>
+        [Newtonsoft.Json.JsonIgnore]
+        [System.Text.Json.Serialization.JsonIgnore]
+        public int Offset { get; set; }
+    }
+}
diff --git a/src/SKIT.FlurlHttpClient.Wechat.TenpayV3/Models/IoTManage/QueryIoTManageDevicesResponse.cs b/src/SKIT.FlurlHttpClient.Wechat.TenpayV3/Models/IoTManage/QueryIoTManageDevicesResponse.cs
new file mode 100644
index 00000000..8636ad68
--- /dev/null
+++ b/src/SKIT.FlurlHttpClient.Wechat.TenpayV3/Models/IoTManage/QueryIoTManageDevicesResponse.cs
@@ -0,0 +1,158 @@
+using System;
+
+namespace SKIT.FlurlHttpClient.Wechat.TenpayV3.Models
+{
+    /// <summary>
+    /// <para>表示 [GET] /iotmanage/devices 接口的响应。</para>
+    /// </summary>
+    public class QueryIoTManageDevicesResponse : WechatTenpayResponse
+    {
+        public static class Types
+        {
+            public class Device
+            {
+                /// <summary>
+                /// 获取或设置设备序列号。
+                /// </summary>
+                [Newtonsoft.Json.JsonProperty("device_sn")]
+                [System.Text.Json.Serialization.JsonPropertyName("device_sn")]
+                public string? DeviceSerialNumber { get; set; }
+
+                /// <summary>
+                /// 获取或设置摄像头序列号。
+                /// </summary>
+                [Newtonsoft.Json.JsonProperty("camera_sn")]
+                [System.Text.Json.Serialization.JsonPropertyName("camera_sn")]
+                public string? CameraSerialNumber { get; set; }
+
+                /// <summary>
+                /// 获取或设置设备品类代码。
+                /// </summary>
+                [Newtonsoft.Json.JsonProperty("device_category_code")]
+                [System.Text.Json.Serialization.JsonPropertyName("device_category_code")]
+                public string? DeviceCategoryCode { get; set; }
+
+                /// <summary>
+                /// 获取或设置设备品类。
+                /// </summary>
+                [Newtonsoft.Json.JsonProperty("device_category")]
+                [System.Text.Json.Serialization.JsonPropertyName("device_category")]
+                public string? DeviceCategory { get; set; }
+
+                /// <summary>
+                /// 获取或设置设备类型代码。
+                /// </summary>
+                [Newtonsoft.Json.JsonProperty("device_class_code")]
+                [System.Text.Json.Serialization.JsonPropertyName("device_class_code")]
+                public string? DeviceClassCode { get; set; }
+
+                /// <summary>
+                /// 获取或设置设备类型。
+                /// </summary>
+                [Newtonsoft.Json.JsonProperty("device_class")]
+                [System.Text.Json.Serialization.JsonPropertyName("device_class")]
+                public string? DeviceClass { get; set; }
+
+                /// <summary>
+                /// 获取或设置设备型号。
+                /// </summary>
+                [Newtonsoft.Json.JsonProperty("device_model")]
+                [System.Text.Json.Serialization.JsonPropertyName("device_model")]
+                public string? DeviceModel { get; set; }
+
+                /// <summary>
+                /// 获取或设置刷脸应用软件模式代码。
+                /// </summary>
+                [Newtonsoft.Json.JsonProperty("app_scene_code")]
+                [System.Text.Json.Serialization.JsonPropertyName("app_scene_code")]
+                public string? AppSceneCode { get; set; }
+
+                /// <summary>
+                /// 获取或设置刷脸应用软件模式。
+                /// </summary>
+                [Newtonsoft.Json.JsonProperty("app_scene")]
+                [System.Text.Json.Serialization.JsonPropertyName("app_scene")]
+                public string? AppScene { get; set; }
+
+                /// <summary>
+                /// 获取或设置刷脸应用操作系统。
+                /// </summary>
+                [Newtonsoft.Json.JsonProperty("operating_system")]
+                [System.Text.Json.Serialization.JsonPropertyName("operating_system")]
+                public string? OperatingSystem { get; set; }
+
+                /// <summary>
+                /// 获取或设置激活状态。
+                /// </summary>
+                [Newtonsoft.Json.JsonProperty("activation_status")]
+                [System.Text.Json.Serialization.JsonPropertyName("activation_status")]
+                public string? ActivationStatus { get; set; }
+
+                /// <summary>
+                /// 获取或设置激活时间。
+                /// </summary>
+                [Newtonsoft.Json.JsonProperty("activation_time")]
+                [Newtonsoft.Json.JsonConverter(typeof(Newtonsoft.Json.Converters.RFC3339NullableDateTimeOffsetConverter))]
+                [System.Text.Json.Serialization.JsonPropertyName("activation_time")]
+                [System.Text.Json.Serialization.JsonConverter(typeof(System.Text.Json.Converters.RFC3339NullableDateTimeOffsetConverter))]
+                public DateTimeOffset? ActivationTime { get; set; }
+
+                /// <summary>
+                /// 获取或设置商户号。
+                /// </summary>
+                [Newtonsoft.Json.JsonProperty("mchid")]
+                [System.Text.Json.Serialization.JsonPropertyName("mchid")]
+                public string? MerchantId { get; set; }
+
+                /// <summary>
+                /// 获取或设置商户简称。
+                /// </summary>
+                [Newtonsoft.Json.JsonProperty("merchant_shortname")]
+                [System.Text.Json.Serialization.JsonPropertyName("merchant_shortname")]
+                public string? MerchantShortName { get; set; }
+
+                /// <summary>
+                /// 获取或设置子商户号。
+                /// </summary>
+                [Newtonsoft.Json.JsonProperty("sub_mchid")]
+                [System.Text.Json.Serialization.JsonPropertyName("sub_mchid")]
+                public string? SubMerchantId { get; set; }
+
+                /// <summary>
+                /// 获取或设置子商户简称。
+                /// </summary>
+                [Newtonsoft.Json.JsonProperty("sub_merchant_shortname")]
+                [System.Text.Json.Serialization.JsonPropertyName("sub_merchant_shortname")]
+                public string? SubMerchantShortName { get; set; }
+            }
+        }
+
+        /// <summary>
+        /// 获取或设置设备列表。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("data")]
+        [System.Text.Json.Serialization.JsonPropertyName("data")]
+        public Types.Device[] DeviceList { get; set; } = default!;
+
+        /// <summary>
+        /// 获取或设置分页起始位置。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("offset")]
+        [System.Text.Json.Serialization.JsonPropertyName("offset")]
+        public int Offset { get; set; }
+
+        /// <summary>
+        /// 获取或设置分页大小。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("limit")]
+        [System.Text.Json.Serialization.JsonPropertyName("limit")]
+        public int Limit { get; set; }
+
+        /// <summary>
+        /// 获取或设置总数量。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("total_count")]
+        [System.Text.Json.Serialization.JsonPropertyName("total_count")]
+        public int TotalCount { get; set; }
+    }
+}
diff --git a/src/SKIT.FlurlHttpClient.Wechat.TenpayV3/Models/MerchantFund/IncomeRecords/QueryMerchantFundMerchantIncomeRecordsRequest.cs b/src/SKIT.FlurlHttpClient.Wechat.TenpayV3/Models/MerchantFund/IncomeRecords/QueryMerchantFundMerchantIncomeRecordsRequest.cs
index 824b4131..06609708 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.TenpayV3/Models/MerchantFund/IncomeRecords/QueryMerchantFundMerchantIncomeRecordsRequest.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.TenpayV3/Models/MerchantFund/IncomeRecords/QueryMerchantFundMerchantIncomeRecordsRequest.cs
@@ -27,7 +27,7 @@
         public int? Offset { get; set; }
 
         /// <summary>
-        /// 获取或设置分页每页数量。
+        /// 获取或设置分页大小。
         /// </summary>
         [Newtonsoft.Json.JsonIgnore]
         [System.Text.Json.Serialization.JsonIgnore]
diff --git a/src/SKIT.FlurlHttpClient.Wechat.TenpayV3/Models/NewTaxControlFapiao/Merchant/QueryNewTaxControlFapiaoMerchantTaxCodesRequest.cs b/src/SKIT.FlurlHttpClient.Wechat.TenpayV3/Models/NewTaxControlFapiao/Merchant/QueryNewTaxControlFapiaoMerchantTaxCodesRequest.cs
index 0beec987..d612f934 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.TenpayV3/Models/NewTaxControlFapiao/Merchant/QueryNewTaxControlFapiaoMerchantTaxCodesRequest.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.TenpayV3/Models/NewTaxControlFapiao/Merchant/QueryNewTaxControlFapiaoMerchantTaxCodesRequest.cs
@@ -13,7 +13,7 @@ namespace SKIT.FlurlHttpClient.Wechat.TenpayV3.Models
         public int Offset { get; set; }
 
         /// <summary>
-        /// 获取或设置分页每页数量。
+        /// 获取或设置分页大小。
         /// <para>默认值：10</para>
         /// </summary>
         [Newtonsoft.Json.JsonIgnore]
diff --git a/src/SKIT.FlurlHttpClient.Wechat.TenpayV3/Models/NewTaxControlFapiao/Merchant/QueryNewTaxControlFapiaoMerchantTaxCodesResponse.cs b/src/SKIT.FlurlHttpClient.Wechat.TenpayV3/Models/NewTaxControlFapiao/Merchant/QueryNewTaxControlFapiaoMerchantTaxCodesResponse.cs
index d877cae7..529b5e32 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.TenpayV3/Models/NewTaxControlFapiao/Merchant/QueryNewTaxControlFapiaoMerchantTaxCodesResponse.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.TenpayV3/Models/NewTaxControlFapiao/Merchant/QueryNewTaxControlFapiaoMerchantTaxCodesResponse.cs
@@ -54,7 +54,7 @@ namespace SKIT.FlurlHttpClient.Wechat.TenpayV3.Models
         public int Offset { get; set; }
 
         /// <summary>
-        /// 获取或设置分页每页数量。
+        /// 获取或设置分页大小。
         /// </summary>
         [Newtonsoft.Json.JsonProperty("limit")]
         [System.Text.Json.Serialization.JsonPropertyName("limit")]
diff --git a/src/SKIT.FlurlHttpClient.Wechat.TenpayV3/Models/Transfer/Batches/GetTransferBatchByBatchIdRequest.cs b/src/SKIT.FlurlHttpClient.Wechat.TenpayV3/Models/Transfer/Batches/GetTransferBatchByBatchIdRequest.cs
index 81bb4da4..44e02c5d 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.TenpayV3/Models/Transfer/Batches/GetTransferBatchByBatchIdRequest.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.TenpayV3/Models/Transfer/Batches/GetTransferBatchByBatchIdRequest.cs
@@ -27,7 +27,7 @@
         public int? Offset { get; set; }
 
         /// <summary>
-        /// 获取或设置分页每页数量。
+        /// 获取或设置分页大小。
         /// </summary>
         [Newtonsoft.Json.JsonIgnore]
         [System.Text.Json.Serialization.JsonIgnore]
diff --git a/src/SKIT.FlurlHttpClient.Wechat.TenpayV3/Models/Transfer/Batches/GetTransferBatchByOutBatchNumberRequest.cs b/src/SKIT.FlurlHttpClient.Wechat.TenpayV3/Models/Transfer/Batches/GetTransferBatchByOutBatchNumberRequest.cs
index 12c74389..9605996b 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.TenpayV3/Models/Transfer/Batches/GetTransferBatchByOutBatchNumberRequest.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.TenpayV3/Models/Transfer/Batches/GetTransferBatchByOutBatchNumberRequest.cs
@@ -27,7 +27,7 @@
         public int? Offset { get; set; }
 
         /// <summary>
-        /// 获取或设置分页每页数量。
+        /// 获取或设置分页大小。
         /// </summary>
         [Newtonsoft.Json.JsonIgnore]
         [System.Text.Json.Serialization.JsonIgnore]
diff --git a/src/SKIT.FlurlHttpClient.Wechat.TenpayV3/Models/_HKPartner/Transactions/Settlements/QueryHKSettlementsRequest.cs b/src/SKIT.FlurlHttpClient.Wechat.TenpayV3/Models/_HKPartner/Transactions/Settlements/QueryHKSettlementsRequest.cs
index 4325b5d7..8dc3ab6b 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.TenpayV3/Models/_HKPartner/Transactions/Settlements/QueryHKSettlementsRequest.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.TenpayV3/Models/_HKPartner/Transactions/Settlements/QueryHKSettlementsRequest.cs
@@ -42,7 +42,7 @@
         public int Offset { get; set; } = 0;
 
         /// <summary>
-        /// 获取或设置分页每页数量。
+        /// 获取或设置分页大小。
         /// <para>默认值：10</para>
         /// </summary>
         [Newtonsoft.Json.JsonProperty("limit")]