diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECAftersale/ChannelsECAftersaleAcceptApplyRequest.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECAftersale/ChannelsECAftersaleAcceptApplyRequest.cs
index 2d501db4..4adbf3e9 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECAftersale/ChannelsECAftersaleAcceptApplyRequest.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECAftersale/ChannelsECAftersaleAcceptApplyRequest.cs
@@ -10,7 +10,7 @@
         /// </summary>
         [Newtonsoft.Json.JsonProperty("after_sale_order_id")]
         [System.Text.Json.Serialization.JsonPropertyName("after_sale_order_id")]
-        public long AftersaleOrderId { get; set; }
+        public string AftersaleOrderId { get; set; } = string.Empty;
 
         /// <summary>
         /// 获取或设置地址 ID。
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECAftersale/ChannelsECAftersaleGetAftersaleListResponse.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECAftersale/ChannelsECAftersaleGetAftersaleListResponse.cs
index 0477fa10..b63ab777 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECAftersale/ChannelsECAftersaleGetAftersaleListResponse.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECAftersale/ChannelsECAftersaleGetAftersaleListResponse.cs
@@ -10,8 +10,7 @@ namespace SKIT.FlurlHttpClient.Wechat.Api.Models
         /// </summary>
         [Newtonsoft.Json.JsonProperty("after_sale_order_id_list")]
         [System.Text.Json.Serialization.JsonPropertyName("after_sale_order_id_list")]
-        [System.Text.Json.Serialization.JsonConverter(typeof(System.Text.Json.Converters.TextualLongArrayConverter))]
-        public long[] AftersaleOrderIdList { get; set; } = default!;
+        public string[] AftersaleOrderIdList { get; set; } = default!;
 
         /// <summary>
         /// 获取或设置翻页标记。
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECAftersale/ChannelsECAftersaleGetAftersaleOrderRequest.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECAftersale/ChannelsECAftersaleGetAftersaleOrderRequest.cs
index 8bcc02d8..9a0b82a2 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECAftersale/ChannelsECAftersaleGetAftersaleOrderRequest.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECAftersale/ChannelsECAftersaleGetAftersaleOrderRequest.cs
@@ -10,6 +10,6 @@
         /// </summary>
         [Newtonsoft.Json.JsonProperty("after_sale_order_id")]
         [System.Text.Json.Serialization.JsonPropertyName("after_sale_order_id")]
-        public long AftersaleOrderId { get; set; }
+        public string AftersaleOrderId { get; set; } = string.Empty;
     }
 }
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECAftersale/ChannelsECAftersaleGetAftersaleOrderResponse.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECAftersale/ChannelsECAftersaleGetAftersaleOrderResponse.cs
index 39105808..afd74aa6 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECAftersale/ChannelsECAftersaleGetAftersaleOrderResponse.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECAftersale/ChannelsECAftersaleGetAftersaleOrderResponse.cs
@@ -156,16 +156,16 @@ namespace SKIT.FlurlHttpClient.Wechat.Api.Models
                 /// </summary>
                 [Newtonsoft.Json.JsonProperty("after_sale_order_id")]
                 [System.Text.Json.Serialization.JsonPropertyName("after_sale_order_id")]
-                [System.Text.Json.Serialization.JsonNumberHandling(System.Text.Json.Serialization.JsonNumberHandling.AllowReadingFromString)]
-                public long AftersaleOrderId { get; set; }
+                [System.Text.Json.Serialization.JsonConverter(typeof(System.Text.Json.Converters.NumericalStringReadOnlyConverter))]
+                public string AftersaleOrderId { get; set; } = default!;
 
                 /// <summary>
                 /// 获取或设置订单 ID。
                 /// </summary>
                 [Newtonsoft.Json.JsonProperty("order_id")]
                 [System.Text.Json.Serialization.JsonPropertyName("order_id")]
-                [System.Text.Json.Serialization.JsonNumberHandling(System.Text.Json.Serialization.JsonNumberHandling.AllowReadingFromString)]
-                public long OrderId { get; set; }
+                [System.Text.Json.Serialization.JsonConverter(typeof(System.Text.Json.Converters.NumericalStringReadOnlyConverter))]
+                public string OrderId { get; set; } = default!;
 
                 /// <summary>
                 /// 获取或设置售后单类型。
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECAftersale/ChannelsECAftersaleRejectApplyRequest.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECAftersale/ChannelsECAftersaleRejectApplyRequest.cs
index 6df45695..f9a9fb4a 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECAftersale/ChannelsECAftersaleRejectApplyRequest.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECAftersale/ChannelsECAftersaleRejectApplyRequest.cs
@@ -10,7 +10,7 @@
         /// </summary>
         [Newtonsoft.Json.JsonProperty("after_sale_order_id")]
         [System.Text.Json.Serialization.JsonPropertyName("after_sale_order_id")]
-        public long AftersaleOrderId { get; set; }
+        public string AftersaleOrderId { get; set; } = string.Empty;
 
         /// <summary>
         /// 获取或设置拒绝原因。
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECAftersale/ChannelsECAftersaleUploadRefundCertificateRequest.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECAftersale/ChannelsECAftersaleUploadRefundCertificateRequest.cs
index e05057e9..72d2b937 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECAftersale/ChannelsECAftersaleUploadRefundCertificateRequest.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECAftersale/ChannelsECAftersaleUploadRefundCertificateRequest.cs
@@ -12,7 +12,7 @@ namespace SKIT.FlurlHttpClient.Wechat.Api.Models
         /// </summary>
         [Newtonsoft.Json.JsonProperty("after_sale_order_id")]
         [System.Text.Json.Serialization.JsonPropertyName("after_sale_order_id")]
-        public long AftersaleOrderId { get; set; }
+        public string AftersaleOrderId { get; set; } = string.Empty;
 
         /// <summary>
         /// 获取或设置退款凭证 MediaId 列表。
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECAftersale/Complaint/ChannelsECAftersaleGetComplaintOrderResponse.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECAftersale/Complaint/ChannelsECAftersaleGetComplaintOrderResponse.cs
index ed4cdd1b..4c5ef9ce 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECAftersale/Complaint/ChannelsECAftersaleGetComplaintOrderResponse.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECAftersale/Complaint/ChannelsECAftersaleGetComplaintOrderResponse.cs
@@ -72,16 +72,16 @@ namespace SKIT.FlurlHttpClient.Wechat.Api.Models
         /// </summary>
         [Newtonsoft.Json.JsonProperty("after_sale_order_id")]
         [System.Text.Json.Serialization.JsonPropertyName("after_sale_order_id")]
-        [System.Text.Json.Serialization.JsonNumberHandling(System.Text.Json.Serialization.JsonNumberHandling.AllowReadingFromString)]
-        public long AftersaleOrderId { get; set; }
+        [System.Text.Json.Serialization.JsonConverter(typeof(System.Text.Json.Converters.NumericalStringReadOnlyConverter))]
+        public string AftersaleOrderId { get; set; } = default!;
 
         /// <summary>
         /// 获取或设置订单 ID。
         /// </summary>
         [Newtonsoft.Json.JsonProperty("order_id")]
         [System.Text.Json.Serialization.JsonPropertyName("order_id")]
-        [System.Text.Json.Serialization.JsonNumberHandling(System.Text.Json.Serialization.JsonNumberHandling.AllowReadingFromString)]
-        public long OrderId { get; set; }
+        [System.Text.Json.Serialization.JsonConverter(typeof(System.Text.Json.Converters.NumericalStringReadOnlyConverter))]
+        public string OrderId { get; set; } = default!;
 
         /// <summary>
         /// 获取或设置纠纷历史列表。
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECCoupon/ChannelsECCouponGetUserCouponResponse.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECCoupon/ChannelsECCouponGetUserCouponResponse.cs
index 1bd22859..4c5125c3 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECCoupon/ChannelsECCouponGetUserCouponResponse.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECCoupon/ChannelsECCouponGetUserCouponResponse.cs
@@ -84,8 +84,8 @@
                 /// </summary>
                 [Newtonsoft.Json.JsonProperty("order_id")]
                 [System.Text.Json.Serialization.JsonPropertyName("order_id")]
-                [System.Text.Json.Serialization.JsonNumberHandling(System.Text.Json.Serialization.JsonNumberHandling.AllowReadingFromString)]
-                public long? OrderId { get; set; }
+                [System.Text.Json.Serialization.JsonConverter(typeof(System.Text.Json.Converters.NumericalStringReadOnlyConverter))]
+                public string? OrderId { get; set; }
 
                 /// <summary>
                 /// 获取或设置优惠金额（单位：分）。
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECLeague/Funds/ChannelsECLeagueFundsGetFundsFlowDetailResponse.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECLeague/Funds/ChannelsECLeagueFundsGetFundsFlowDetailResponse.cs
index b57f39f7..d81e4090 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECLeague/Funds/ChannelsECLeagueFundsGetFundsFlowDetailResponse.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECLeague/Funds/ChannelsECLeagueFundsGetFundsFlowDetailResponse.cs
@@ -27,16 +27,16 @@ namespace SKIT.FlurlHttpClient.Wechat.Api.Models
                         /// </summary>
                         [Newtonsoft.Json.JsonProperty("order_id")]
                         [System.Text.Json.Serialization.JsonPropertyName("order_id")]
-                        [System.Text.Json.Serialization.JsonNumberHandling(System.Text.Json.Serialization.JsonNumberHandling.AllowReadingFromString)]
-                        public long? OrderId { get; set; }
+                        [System.Text.Json.Serialization.JsonConverter(typeof(System.Text.Json.Converters.NumericalStringReadOnlyConverter))]
+                        public string? OrderId { get; set; }
 
                         /// <summary>
                         /// 获取或设置售后单 ID。
                         /// </summary>
                         [Newtonsoft.Json.JsonProperty("aftersale_id")]
                         [System.Text.Json.Serialization.JsonPropertyName("aftersale_id")]
-                        [System.Text.Json.Serialization.JsonNumberHandling(System.Text.Json.Serialization.JsonNumberHandling.AllowReadingFromString)]
-                        public long? AftersaleOrderId { get; set; }
+                        [System.Text.Json.Serialization.JsonConverter(typeof(System.Text.Json.Converters.NumericalStringReadOnlyConverter))]
+                        public string? AftersaleOrderId { get; set; }
 
                         /// <summary>
                         /// 获取或设置支付单号。
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECLeague/HeadSupplier/Funds/ChannelsECLeagueHeadSupplierFundsFlowDetailGetResponse.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECLeague/HeadSupplier/Funds/ChannelsECLeagueHeadSupplierFundsFlowDetailGetResponse.cs
index d6b2d25a..2017a2d8 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECLeague/HeadSupplier/Funds/ChannelsECLeagueHeadSupplierFundsFlowDetailGetResponse.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECLeague/HeadSupplier/Funds/ChannelsECLeagueHeadSupplierFundsFlowDetailGetResponse.cs
@@ -67,8 +67,8 @@ namespace SKIT.FlurlHttpClient.Wechat.Api.Models
                 /// </summary>
                 [Newtonsoft.Json.JsonProperty("order_id")]
                 [System.Text.Json.Serialization.JsonPropertyName("order_id")]
-                [System.Text.Json.Serialization.JsonNumberHandling(System.Text.Json.Serialization.JsonNumberHandling.AllowReadingFromString)]
-                public long? OrderId { get; set; }
+                [System.Text.Json.Serialization.JsonConverter(typeof(System.Text.Json.Converters.NumericalStringReadOnlyConverter))]
+                public string? OrderId { get; set; }
 
                 /// <summary>
                 /// 获取或设置关联提现单号。
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECLeague/HeadSupplier/Order/ChannelsECLeagueHeadSupplierOrderGetRequest.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECLeague/HeadSupplier/Order/ChannelsECLeagueHeadSupplierOrderGetRequest.cs
index 3206d12a..14bc50cd 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECLeague/HeadSupplier/Order/ChannelsECLeagueHeadSupplierOrderGetRequest.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECLeague/HeadSupplier/Order/ChannelsECLeagueHeadSupplierOrderGetRequest.cs
@@ -10,7 +10,7 @@ namespace SKIT.FlurlHttpClient.Wechat.Api.Models
         /// </summary>
         [Newtonsoft.Json.JsonProperty("order_id")]
         [System.Text.Json.Serialization.JsonPropertyName("order_id")]
-        public long OrderId { get; set; }
+        public string OrderId { get; set; } = string.Empty;
 
         /// <summary>
         /// 获取或设置 SKU ID。
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECLeague/HeadSupplier/Order/ChannelsECLeagueHeadSupplierOrderGetResponse.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECLeague/HeadSupplier/Order/ChannelsECLeagueHeadSupplierOrderGetResponse.cs
index 8f24934c..58503761 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECLeague/HeadSupplier/Order/ChannelsECLeagueHeadSupplierOrderGetResponse.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECLeague/HeadSupplier/Order/ChannelsECLeagueHeadSupplierOrderGetResponse.cs
@@ -161,8 +161,8 @@ namespace SKIT.FlurlHttpClient.Wechat.Api.Models
                 /// </summary>
                 [Newtonsoft.Json.JsonProperty("order_id")]
                 [System.Text.Json.Serialization.JsonPropertyName("order_id")]
-                [System.Text.Json.Serialization.JsonNumberHandling(System.Text.Json.Serialization.JsonNumberHandling.AllowReadingFromString)]
-                public long OrderId { get; set; }
+                [System.Text.Json.Serialization.JsonConverter(typeof(System.Text.Json.Converters.NumericalStringReadOnlyConverter))]
+                public string? OrderId { get; set; }
 
                 /// <summary>
                 /// 获取或设置 SKU ID。
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECLeague/HeadSupplier/Order/ChannelsECLeagueHeadSupplierOrderListGetRequest.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECLeague/HeadSupplier/Order/ChannelsECLeagueHeadSupplierOrderListGetRequest.cs
index 0fbb0d2d..bef222e8 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECLeague/HeadSupplier/Order/ChannelsECLeagueHeadSupplierOrderListGetRequest.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECLeague/HeadSupplier/Order/ChannelsECLeagueHeadSupplierOrderListGetRequest.cs
@@ -58,7 +58,7 @@ namespace SKIT.FlurlHttpClient.Wechat.Api.Models
         /// </summary>
         [Newtonsoft.Json.JsonProperty("order_id")]
         [System.Text.Json.Serialization.JsonPropertyName("order_id")]
-        public long? OrderId { get; set; }
+        public string? OrderId { get; set; }
 
         /// <summary>
         /// 获取或设置分页每页数量。
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECLeague/HeadSupplier/Order/ChannelsECLeagueHeadSupplierOrderListGetResponse.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECLeague/HeadSupplier/Order/ChannelsECLeagueHeadSupplierOrderListGetResponse.cs
index 4e0fda00..24404f82 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECLeague/HeadSupplier/Order/ChannelsECLeagueHeadSupplierOrderListGetResponse.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECLeague/HeadSupplier/Order/ChannelsECLeagueHeadSupplierOrderListGetResponse.cs
@@ -14,8 +14,8 @@ namespace SKIT.FlurlHttpClient.Wechat.Api.Models
                 /// </summary>
                 [Newtonsoft.Json.JsonProperty("order_id")]
                 [System.Text.Json.Serialization.JsonPropertyName("order_id")]
-                [System.Text.Json.Serialization.JsonNumberHandling(System.Text.Json.Serialization.JsonNumberHandling.AllowReadingFromString)]
-                public long OrderId { get; set; }
+                [System.Text.Json.Serialization.JsonConverter(typeof(System.Text.Json.Converters.NumericalStringReadOnlyConverter))]
+                public string? OrderId { get; set; }
 
                 /// <summary>
                 /// 获取或设置 SKU ID。
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECOrder/ChannelsECOrderAddressUpdateRequest.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECOrder/ChannelsECOrderAddressUpdateRequest.cs
index 1f4de10e..6b74aade 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECOrder/ChannelsECOrderAddressUpdateRequest.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECOrder/ChannelsECOrderAddressUpdateRequest.cs
@@ -17,7 +17,7 @@
         /// </summary>
         [Newtonsoft.Json.JsonProperty("order_id")]
         [System.Text.Json.Serialization.JsonPropertyName("order_id")]
-        public long OrderId { get; set; }
+        public string OrderId { get; set; } = string.Empty;
 
         /// <summary>
         /// 获取或设置新地址信息。
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECOrder/ChannelsECOrderGetRequest.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECOrder/ChannelsECOrderGetRequest.cs
index 6fa1a92d..1fc4768d 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECOrder/ChannelsECOrderGetRequest.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECOrder/ChannelsECOrderGetRequest.cs
@@ -10,6 +10,6 @@
         /// </summary>
         [Newtonsoft.Json.JsonProperty("order_id")]
         [System.Text.Json.Serialization.JsonPropertyName("order_id")]
-        public long OrderId { get; set; }
+        public string OrderId { get; set; } = string.Empty;
     }
 }
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECOrder/ChannelsECOrderGetResponse.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECOrder/ChannelsECOrderGetResponse.cs
index 3331e9c7..4955f830 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECOrder/ChannelsECOrderGetResponse.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECOrder/ChannelsECOrderGetResponse.cs
@@ -1,6 +1,4 @@
-using System;
-
-namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
 {
     /// <summary>
     /// <para>表示 [POST] /channels/ec/order/get 接口的响应。</para>
@@ -404,8 +402,8 @@ namespace SKIT.FlurlHttpClient.Wechat.Api.Models
                                 /// </summary>
                                 [Newtonsoft.Json.JsonProperty("aftersale_order_id")]
                                 [System.Text.Json.Serialization.JsonPropertyName("aftersale_order_id")]
-                                [System.Text.Json.Serialization.JsonNumberHandling(System.Text.Json.Serialization.JsonNumberHandling.AllowReadingFromString)]
-                                public long AftersaleOrderId { get; set; }
+                                [System.Text.Json.Serialization.JsonConverter(typeof(System.Text.Json.Converters.NumericalStringReadOnlyConverter))]
+                                public string AftersaleOrderId { get; set; } = default!;
 
                                 /// <summary>
                                 /// 获取或设置售后单状态。
@@ -437,8 +435,8 @@ namespace SKIT.FlurlHttpClient.Wechat.Api.Models
                 /// </summary>
                 [Newtonsoft.Json.JsonProperty("order_id")]
                 [System.Text.Json.Serialization.JsonPropertyName("order_id")]
-                [System.Text.Json.Serialization.JsonNumberHandling(System.Text.Json.Serialization.JsonNumberHandling.AllowReadingFromString)]
-                public long OrderId { get; set; }
+                [System.Text.Json.Serialization.JsonConverter(typeof(System.Text.Json.Converters.NumericalStringReadOnlyConverter))]
+                public string OrderId { get; set; } = default!;
 
                 /// <summary>
                 /// 获取或设置订单状态。
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECOrder/ChannelsECOrderListGetResponse.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECOrder/ChannelsECOrderListGetResponse.cs
index ca3e3492..f9ed6bcd 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECOrder/ChannelsECOrderListGetResponse.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECOrder/ChannelsECOrderListGetResponse.cs
@@ -10,8 +10,7 @@ namespace SKIT.FlurlHttpClient.Wechat.Api.Models
         /// </summary>
         [Newtonsoft.Json.JsonProperty("order_id_list")]
         [System.Text.Json.Serialization.JsonPropertyName("order_id_list")]
-        [System.Text.Json.Serialization.JsonConverter(typeof(System.Text.Json.Converters.TextualLongArrayConverter))]
-        public long[] OrderIdList { get; set; } = default!;
+        public string[] OrderIdList { get; set; } = default!;
 
         /// <summary>
         /// 获取或设置翻页标记。
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECOrder/ChannelsECOrderMerchantNotesUpdateRequest.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECOrder/ChannelsECOrderMerchantNotesUpdateRequest.cs
index e1283df4..4513a8d4 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECOrder/ChannelsECOrderMerchantNotesUpdateRequest.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECOrder/ChannelsECOrderMerchantNotesUpdateRequest.cs
@@ -10,7 +10,7 @@
         /// </summary>
         [Newtonsoft.Json.JsonProperty("order_id")]
         [System.Text.Json.Serialization.JsonPropertyName("order_id")]
-        public long OrderId { get; set; }
+        public string OrderId { get; set; } = string.Empty;
 
         /// <summary>
         /// 获取或设置商家备注。
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECOrder/ChannelsECOrderPriceUpdateRequest.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECOrder/ChannelsECOrderPriceUpdateRequest.cs
index 266d91a1..e8f4c7ae 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECOrder/ChannelsECOrderPriceUpdateRequest.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECOrder/ChannelsECOrderPriceUpdateRequest.cs
@@ -39,7 +39,7 @@ namespace SKIT.FlurlHttpClient.Wechat.Api.Models
         /// </summary>
         [Newtonsoft.Json.JsonProperty("order_id")]
         [System.Text.Json.Serialization.JsonPropertyName("order_id")]
-        public long OrderId { get; set; }
+        public string OrderId { get; set; } = string.Empty;
 
         /// <summary>
         /// 获取或设置是否修改运费。
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECOrder/ChannelsECOrderSearchRequest.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECOrder/ChannelsECOrderSearchRequest.cs
index cf345f33..2d476278 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECOrder/ChannelsECOrderSearchRequest.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECOrder/ChannelsECOrderSearchRequest.cs
@@ -42,7 +42,8 @@
                 /// </summary>
                 [Newtonsoft.Json.JsonProperty("order_id")]
                 [System.Text.Json.Serialization.JsonPropertyName("order_id")]
-                public long? OrderId { get; set; }
+                [System.Text.Json.Serialization.JsonConverter(typeof(System.Text.Json.Converters.NumericalStringReadOnlyConverter))]
+                public string? OrderId { get; set; }
             }
         }
 
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECOrder/ChannelsECOrderSearchResponse.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECOrder/ChannelsECOrderSearchResponse.cs
index dbef4212..2eee1502 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECOrder/ChannelsECOrderSearchResponse.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECOrder/ChannelsECOrderSearchResponse.cs
@@ -10,8 +10,7 @@ namespace SKIT.FlurlHttpClient.Wechat.Api.Models
         /// </summary>
         [Newtonsoft.Json.JsonProperty("orders")]
         [System.Text.Json.Serialization.JsonPropertyName("orders")]
-        [System.Text.Json.Serialization.JsonConverter(typeof(System.Text.Json.Converters.TextualLongArrayConverter))]
-        public long[] OrderIdList { get; set; } = default!;
+        public string[] OrderIdList { get; set; } = default!;
 
         /// <summary>
         /// 获取或设置翻页标记。
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECOrder/Delivery/ChannelsECOrderDeliverySendRequest.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECOrder/Delivery/ChannelsECOrderDeliverySendRequest.cs
index 40854653..567ebbff 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECOrder/Delivery/ChannelsECOrderDeliverySendRequest.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECOrder/Delivery/ChannelsECOrderDeliverySendRequest.cs
@@ -73,7 +73,7 @@ namespace SKIT.FlurlHttpClient.Wechat.Api.Models
         /// </summary>
         [Newtonsoft.Json.JsonProperty("order_id")]
         [System.Text.Json.Serialization.JsonPropertyName("order_id")]
-        public long OrderId { get; set; }
+        public string OrderId { get; set; } = string.Empty;
 
         /// <summary>
         /// 获取或设置快递列表。
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECSharer/ChannelsECSharerGetSharerOrderListResponse.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECSharer/ChannelsECSharerGetSharerOrderListResponse.cs
index 5c3a0720..88ae8fe8 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECSharer/ChannelsECSharerGetSharerOrderListResponse.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECSharer/ChannelsECSharerGetSharerOrderListResponse.cs
@@ -55,8 +55,8 @@ namespace SKIT.FlurlHttpClient.Wechat.Api.Models
                 /// </summary>
                 [Newtonsoft.Json.JsonProperty("order_id")]
                 [System.Text.Json.Serialization.JsonPropertyName("order_id")]
-                [System.Text.Json.Serialization.JsonNumberHandling(System.Text.Json.Serialization.JsonNumberHandling.AllowReadingFromString)]
-                public long OrderId { get; set; }
+                [System.Text.Json.Serialization.JsonConverter(typeof(System.Text.Json.Converters.NumericalStringReadOnlyConverter))]
+                public string OrderId { get; set; } = default!;
 
                 /// <summary>
                 /// 获取或设置分享场景值。