diff --git a/server/CoreCms.Net.Model/ViewModels/SQ/SQReservationsDto.cs b/server/CoreCms.Net.Model/ViewModels/SQ/SQReservationsDto.cs
index 6da2c12..92c15dd 100644
--- a/server/CoreCms.Net.Model/ViewModels/SQ/SQReservationsDto.cs
+++ b/server/CoreCms.Net.Model/ViewModels/SQ/SQReservationsDto.cs
@@ -8,6 +8,7 @@ using System;
 using System.Collections.Generic;
 using System.ComponentModel.DataAnnotations;
 using System.Linq;
+using System.Runtime.InteropServices;
 using System.Text;
 using System.Threading.Tasks;
 
@@ -88,6 +89,10 @@ namespace CoreCms.Net.Model.ViewModels.SQ
     public class SQReservationsAddDto : SQReservations
     {
 
+        /// <summary>
+        /// 最晚到店时间
+        /// </summary>
+        public long? LatestDateTime { get; set; }
 
         /// <summary>
         /// 开始时间
@@ -422,8 +427,8 @@ namespace CoreCms.Net.Model.ViewModels.SQ
         public string game_type { get; set; }
     }
 
- 
- 
+
+
 
     /// <summary>
     /// 可选日期信息DTO
diff --git a/server/CoreCms.Net.Web.WebApi/Controllers/SQController.cs b/server/CoreCms.Net.Web.WebApi/Controllers/SQController.cs
index 74cc9e1..e6e8440 100644
--- a/server/CoreCms.Net.Web.WebApi/Controllers/SQController.cs
+++ b/server/CoreCms.Net.Web.WebApi/Controllers/SQController.cs
@@ -516,6 +516,11 @@ public class SQController : ControllerBase
         var userId = _user.ID;
         var start_time = DateTimeOffset.FromUnixTimeSeconds(dto.start_time).AddHours(8).DateTime;
         var end_time = DateTimeOffset.FromUnixTimeSeconds(dto.end_time).AddHours(8).DateTime;
+        if (dto?.LatestDateTime > 0)
+        {
+            dto.latest_arrival_time = DateTimeOffset.FromUnixTimeSeconds(dto.LatestDateTime ?? 0).AddHours(8).DateTime;
+        }
+
         // 1. 参数校验
         if (dto == null || dto.room_id <= 0 || start_time >= end_time)
         {
@@ -631,6 +636,7 @@ public class SQController : ControllerBase
             updated_at = DateTime.Now,
             credit_limit = dto.credit_limit,
             player_count = dto.player_count,
+            latest_arrival_time = dto.latest_arrival_time,
             deposit_fee = dto.deposit_fee,
             duration_minutes = (int)(end_time - start_time).TotalMinutes,
             extra_info = dto.extra_info,