diff --git a/Model/Whitelist.cs b/Model/Whitelist.cs
index 963656d..859223f 100644
--- a/Model/Whitelist.cs
+++ b/Model/Whitelist.cs
@@ -35,6 +35,10 @@ namespace LY.App.Model
     }
     public class AddWhitelist
     {
+        /// <summary>
+        /// 设备型号
+        /// </summary>
+        public string model { get; set; }
         /// <summary>
         /// 设备序列号
         /// </summary>
diff --git a/Program.cs b/Program.cs
index 87d5896..68ed7e9 100644
--- a/Program.cs
+++ b/Program.cs
@@ -85,8 +85,6 @@ builder.Services.AddTransient<SqlSugarClient>(sp =>
         };
         //�������ݿ�ͱ�������ִ��һ�� 
         //db.DbMaintenance.CreateDatabase();
-         db.CodeFirst.SetStringDefaultLength(2000).InitTables(typeof(PositionInfo)); 
-         db.CodeFirst.SetStringDefaultLength(2000).InitTables(typeof(Whitelist)); 
 #endif
         //����������������
         // db.QueryFilter.AddTableFilter<IDeleted>(it => it.IsDeleted == false);
diff --git a/Service/AlarmService.cs b/Service/AlarmService.cs
index ebb66f3..b57e374 100644
--- a/Service/AlarmService.cs
+++ b/Service/AlarmService.cs
@@ -4,14 +4,9 @@ using LY.App.Common.WebSocket;
 using LY.App.Extensions.DI;
 using LY.App.Model;
 using Mapster;
-using Microsoft.AspNetCore.SignalR;
 using NetTopologySuite.Geometries;
-using NetTopologySuite.Index.HPRtree;
 using NetTopologySuite.IO;
 using SqlSugar;
-using StackExchange.Redis;
-using System.Collections.Concurrent;
-using System.Reflection;
 
 namespace LY.App.Service
 {
@@ -189,18 +184,17 @@ namespace LY.App.Service
             if (positionId > 0 && lon > 0 && lat > 0)
             {
                 var key = RedisKeyList.PositioinRegion(positionId);
-                var geodata = await _redisService.GetAsync<string>(key);
+                var geodata = await _redisService.GetAsync<PositionInfo>(key);
                 if (geodata == null)
                 {
                     geodata = await _db.CopyNew().Queryable<PositionInfo>()
                        .Where(s => s.Id == positionId)
-                       .Select(s => s.Region)
                        .FirstAsync();
-                    await _redisService.SetAsync<string>(key, geodata);
+                    await _redisService.SetAsync<PositionInfo>(key, geodata);
                 }
                 WKTReader reader = new WKTReader();
                 Geometry point = reader.Read($"POINT ({lon} {lat})");
-                Geometry multipolygon = reader.Read(geodata);
+                Geometry multipolygon = reader.Read(geodata.Region);
                 if (multipolygon.Contains(point))
                 {
                     return 1;
diff --git a/Service/WhitListService.cs b/Service/WhitListService.cs
index 723bccf..efad679 100644
--- a/Service/WhitListService.cs
+++ b/Service/WhitListService.cs
@@ -3,7 +3,6 @@ using LY.App.Extensions.DI;
 using LY.App.Model;
 using Mapster;
 using SqlSugar;
-using System.Collections.Generic;
 
 namespace LY.App.Service
 {
@@ -19,6 +18,7 @@ namespace LY.App.Service
         /// 构造函数
         /// </summary>
         /// <param name="sqlSugarClient"></param>
+        /// <param name="redisService"></param>
         public WhitListService(SqlSugarClient sqlSugarClient, RedisService redisService)
         {
             _db = sqlSugarClient;