diff --git a/Atomx.Admin/Atomx.Admin/Controllers/AreaController.cs b/Atomx.Admin/Atomx.Admin/Controllers/AreaController.cs
index 2123fe9..4bbc693 100644
--- a/Atomx.Admin/Atomx.Admin/Controllers/AreaController.cs
+++ b/Atomx.Admin/Atomx.Admin/Controllers/AreaController.cs
@@ -54,22 +54,6 @@ namespace Atomx.Admin.Controllers
             _localizer = localizer;
         }
 
-        /// <summary>
-        /// 
-        /// </summary>
-        /// <returns></returns>
-        [HttpGet("select/{id}")]
-        public IActionResult Select(long id)
-        {
-            var list = new List<KeyValue>();
-            var query = from p in _dbContext.Areas
-                        where p.ParentId == id && p.Enabled
-                        select p;
-            list = query.OrderByDescending(p => p.DisplayOrder).Select(p => new KeyValue() { Key = p.Id.ToString(), Value = p.Name }).ToList();
-
-            return new JsonResult(new ApiResult<List<KeyValue>>().IsSuccess(list));
-        }
-
         /// <summary>
         /// 数据查询
         /// </summary>
@@ -78,7 +62,7 @@ namespace Atomx.Admin.Controllers
         /// <param name="size"></param>
         /// <returns></returns>
         [HttpPost("search")]
-        public IActionResult AddressList(AreaSearch search, int page, int size = 20)
+        public IActionResult Search(AreaSearch search, int page, int size = 20)
         {
             if (page < 1)
             {
diff --git a/Atomx.Admin/Atomx.Admin/Controllers/CountryController.cs b/Atomx.Admin/Atomx.Admin/Controllers/CountryController.cs
index 8e1a043..f2f9e96 100644
--- a/Atomx.Admin/Atomx.Admin/Controllers/CountryController.cs
+++ b/Atomx.Admin/Atomx.Admin/Controllers/CountryController.cs
@@ -1,6 +1,5 @@
 using Atomx.Admin.Client.Models;
 using Atomx.Admin.Services;
-using Atomx.Common.Constants;
 using Atomx.Common.Entities;
 using Atomx.Common.Enums;
 using Atomx.Common.Models;
diff --git a/Atomx.Admin/Atomx.Admin/Controllers/StateProvinceController.cs b/Atomx.Admin/Atomx.Admin/Controllers/StateProvinceController.cs
index fc019bc..2a39a18 100644
--- a/Atomx.Admin/Atomx.Admin/Controllers/StateProvinceController.cs
+++ b/Atomx.Admin/Atomx.Admin/Controllers/StateProvinceController.cs
@@ -12,6 +12,7 @@ using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.EntityFrameworkCore;
 using Microsoft.Extensions.Localization;
+using System.Threading.Tasks;
 
 namespace Atomx.Admin.Controllers
 {
@@ -50,6 +51,21 @@ namespace Atomx.Admin.Controllers
             _localizer = localizer;
         }
 
+        /// <summary>
+        /// 数据查询
+        /// </summary>
+        /// <param name="search"></param>
+        /// <param name="page"></param>
+        /// <param name="size"></param>
+        /// <returns></returns>
+        [HttpGet("tree/{countryId:long}")]
+        public async Task<IActionResult> GetTree(long countryId, int page, int size = 20)
+        {
+            var list = await _cacheService.GetAreaTree(countryId);
+
+            return new JsonResult(new ApiResult<List<KeyValueTree>>().IsSuccess(list));
+        }
+
         /// <summary>
         /// 数据查询
         /// </summary>
@@ -58,7 +74,7 @@ namespace Atomx.Admin.Controllers
         /// <param name="size"></param>
         /// <returns></returns>
         [HttpGet("select/{countryId:long}")]
-        public IActionResult AddressList(long countryId, int page, int size = 20)
+        public IActionResult Select(long countryId, int page, int size = 20)
         {
             var list = new List<KeyValue>();
             var query = from p in _dbContext.StateProvinces
@@ -77,7 +93,7 @@ namespace Atomx.Admin.Controllers
         /// <param name="size"></param>
         /// <returns></returns>
         [HttpPost("search")]
-        public IActionResult AddressList(StateProvinceSearch search, int page, int size = 20)
+        public IActionResult Search(StateProvinceSearch search, int page, int size = 20)
         {
             if (page < 1)
             {
diff --git a/Atomx.Common/Constants/CacheKeys.cs b/Atomx.Common/Constants/CacheKeys.cs
index 46c70c4..586899d 100644
--- a/Atomx.Common/Constants/CacheKeys.cs
+++ b/Atomx.Common/Constants/CacheKeys.cs
@@ -103,7 +103,7 @@
         /// <summary>
         /// 省州数据缓存
         /// </summary>
-        public const string Province = "Area.Province";
+        public const string StateProvince = "Area.Province.";
 
         /// <summary>
         /// 城市数据缓存
diff --git a/Atomx.Data/CacheServices/AreaCacheService.cs b/Atomx.Data/CacheServices/AreaCacheService.cs
index 6ed96a7..ddadd93 100644
--- a/Atomx.Data/CacheServices/AreaCacheService.cs
+++ b/Atomx.Data/CacheServices/AreaCacheService.cs
@@ -10,21 +10,37 @@ namespace Atomx.Data.CacheServices
         /// 获取国家数据
         /// </summary>
         /// <returns></returns>
-        Task<List<Area>> GetCountry(bool? reload = false);
+        Task<List<Country>> GetCountries(bool? reload = false);
 
         /// <summary>
-        /// 通过ID获取国家名称
+        /// 通过ID获取国家
         /// </summary>
         /// <param name="countryId"></param>
         /// <returns></returns>
-        Task<string> GetCountryName(long countryId);
+        Task<Country> GetCountry(long countryId);
 
         /// <summary>
-        /// 根据上级ID获取下级数据
+        /// 获取区域数据
         /// </summary>
         /// <param name="parentId"></param>
         /// <returns></returns>
-        Task<List<Area>> GetAreas(long parentId, bool? reload = false);
+        Task<List<StateProvince>> GetStateProvinces(long countryId, bool? reload = false);
+
+        /// <summary>
+        /// 获取州省数据
+        /// </summary>
+        /// <param name="countryId"></param>
+        /// <param name="stateProvinceId"></param>
+        /// <returns></returns>
+        Task<StateProvince> GetStateProvince(long countryId, long stateProvinceId);
+
+        /// <summary>
+        /// 获取地区数据
+        /// </summary>
+        /// <param name="countryId"></param>
+        /// <param name="reload"></param>
+        /// <returns></returns>
+        Task<List<Area>> GetAreas(long countryId, bool? reload = false);
 
         /// <summary>
         /// 更新调整缓存数据
@@ -33,51 +49,67 @@ namespace Atomx.Data.CacheServices
         /// <returns></returns>
         Task ResetArea(Area area);
 
+        /// <summary>
+        /// 更新调整州省缓存数据
+        /// </summary>
+        /// <param name="stateProvince"></param>
+        /// <returns></returns>
+        Task ResetStateProvince(StateProvince stateProvince);
+
+        /// <summary>
+        /// 更新调整国家缓存数据
+        /// </summary>
+        /// <param name="country"></param>
+        /// <returns></returns>
+        Task ResetCountry(Country country);
+
         /// <summary>
         /// 获取国家-省份-城市树形数据
         /// </summary>
         /// <param name="countryId"></param>
         /// <returns></returns>
-        List<KeyValueTree> GetAreaTreeAsync(long countryId);
-
-
+        Task<List<KeyValueTree>> GetAreaTree(long countryId, bool? reload = false);
     }
     public partial class CacheService : ICacheService
     {
-        public async Task<List<KeyValueTree>> GetAreaTreeAsync(long countryId, bool? reload = false)
+        public async Task<List<KeyValueTree>> GetAreaTree(long countryId, bool? reload = false)
         {
+            bool reloadData = reload.HasValue ? reload.Value : false;
             var cacheData = await GetCacheAsync<List<KeyValueTree>>($"{CacheKeys.CountryTree}{countryId}");
-            if (cacheData == null || reload.HasValue && reload.Value)
+            if (cacheData == null || reloadData)
             {
-                var state = _dbContext.StateProvinces.Where(p => p.CountryId == countryId).ToList();
-                var cities = _dbContext.Areas.Where(p => p.CountryId == countryId).ToList();
-                cacheData = (from s in state
-                             select new KeyValueTree
-                             {
-                                 Key = s.Id.ToString(),
-                                 Value = s.Name,
-                                 Children = (from c in cities
-                                             where c.ParentId == s.Id
-                                             select new KeyValueTree
-                                             {
-                                                 Key = c.Id.ToString(),
-                                                 Value = c.Name
-                                             }).ToList()
-                             }).ToList();
-                await SetCacheAsync(CacheKeys.Country, cacheData);
+                var states = await GetStateProvinces(countryId);
+                var cities = await GetAreas(countryId);
+
+                var tree = new List<KeyValueTree>();
+
+                foreach (var state in states)
+                {
+                    var item = new KeyValueTree
+                    {
+                        Key = state.Id.ToString(),
+                        Value = state.Name,
+                        Children = new List<KeyValueTree>()
+                    };
+
+                    item.Children = BuildAreaTree(state.Id, cities, new List<KeyValueTree>());
+                    tree.Add(item);
+                }
+
+                await SetCacheAsync($"{CacheKeys.CountryTree}{countryId}", tree);
             }
-            return cacheData; 
+            return cacheData;
         }
 
-        public async Task<List<Area>> GetCountry(bool? reload = false)
+        public async Task<List<Country>> GetCountries(bool? reload = false)
         {
             bool reloadData = reload.HasValue ? reload.Value : false;
 
-            var cacheData = await GetCacheAsync<List<Area>>(CacheKeys.Country);
+            var cacheData = await GetCacheAsync<List<Country>>(CacheKeys.Country);
             if (cacheData == null || reloadData)
             {
-                var countries = (from p in _dbContext.Areas
-                                 where p.ParentId == 0
+                var countries = (from p in _dbContext.Countries
+                                 where p.Enabled
                                  select p).ToList();
                 await SetCacheAsync(CacheKeys.Country, countries);
                 return countries;
@@ -86,47 +118,144 @@ namespace Atomx.Data.CacheServices
             return cacheData;
         }
 
-        public async Task<string> GetCountryName(long countryId)
+        public async Task<Country> GetCountry(long countryId)
         {
-            var cacheData = await GetCountry();
+            var cacheData = await GetCountries();
             var data = cacheData.SingleOrDefault(p => p.Id == countryId);
-            if (data == null)
-            {
-                return string.Empty;
-            }
-            return data.Name;
+            return data;
         }
 
-        public async Task<List<Area>> GetAreas(long parentId, bool? reload = false)
+        /// <summary>
+        /// 获取区域数据
+        /// </summary>
+        /// <param name="countryId"></param>
+        /// <returns></returns>
+        public async Task<List<StateProvince>> GetStateProvinces(long countryId, bool? reload = false)
         {
-            if (parentId == 0)
+            bool reloadData = reload.HasValue ? reload.Value : false;
+            var cacheData = await GetCacheAsync<List<StateProvince>>($"{CacheKeys.StateProvince}.{countryId}");
+            if (cacheData == null || reloadData)
             {
-                return await GetCountry();
+                var stateProvinces = (from p in _dbContext.StateProvinces
+                                      where p.CountryId == countryId && p.Enabled
+                                      select p).ToList();
+                await SetCacheAsync($"{CacheKeys.StateProvince}.{countryId}", stateProvinces);
+                return stateProvinces;
+
             }
-            var cacheData = await GetCacheAsync<List<Area>>($"{CacheKeys.Area}.{parentId}");
+            return cacheData;
+        }
+
+        /// <summary>
+        /// 获取州省数据
+        /// </summary>
+        /// <param name="stateProvinceId"></param>
+        /// <returns></returns>
+        public async Task<StateProvince> GetStateProvince(long countryId, long stateProvinceId)
+        {
+            var cacheData = await GetStateProvinces(countryId);
+            var data = cacheData.SingleOrDefault(p => p.Id == stateProvinceId);
+            return data;
+        }
+
+        /// <summary>
+        /// 获取地区数据
+        /// </summary>
+        /// <param name="countryId"></param>
+        /// <param name="reload"></param>
+        /// <returns></returns>
+        public async Task<List<Area>> GetAreas(long countryId, bool? reload = false)
+        {
+            var cacheData = await GetCacheAsync<List<Area>>($"{CacheKeys.City}.{countryId}");
             bool reloadData = reload.HasValue ? reload.Value : false;
             if (cacheData == null || reloadData)
             {
-                var data = (from p in _dbContext.Areas
-                            where p.ParentId == 0
-                            select p).ToList();
-                await SetCacheAsync(CacheKeys.Country, data);
-                return data;
-
+                List<Area> areas = new();
+                var query = from p in _dbContext.Areas
+                            where p.CountryId == countryId && p.Enabled
+                            select p;
+                var count = query.Count();
+                int size = 50;
+                var pageCount = (int)Math.Ceiling(count / (double)size) + 1;
+                for (var i = 1; i < pageCount; i++)
+                {
+                    var list = query.Skip((i - 1) * size).Take(size).ToList();
+                    areas.AddRange(list);
+                }
+                await SetCacheAsync(CacheKeys.Country, areas);
+                return areas;
             }
             return cacheData;
         }
 
         public async Task ResetArea(Area area)
         {
-            var cacheData = await GetAreas(area.ParentId);
+            var cacheData = await GetAreas(area.CountryId);
             var data = cacheData.Where(p => p.Id == area.Id).SingleOrDefault();
             if (data != null)
             {
                 cacheData.Remove(data);
             }
             cacheData.Add(area);
-            await SetCacheAsync($"{CacheKeys.Area}.{area.ParentId}", cacheData);
+            await SetCacheAsync($"{CacheKeys.City}.{area.CountryId}", cacheData);
+        }
+
+
+
+        /// <summary>
+        /// 更新调整州省缓存数据
+        /// </summary>
+        /// <param name="stateProvince"></param>
+        /// <returns></returns>
+        public async Task ResetStateProvince(StateProvince stateProvince)
+        {
+            var cacheData = await GetStateProvinces(stateProvince.CountryId);
+            var data = cacheData.Where(p => p.Id == stateProvince.Id).SingleOrDefault();
+            if (data != null)
+            {
+                cacheData.Remove(data);
+            }
+            cacheData.Add(stateProvince);
+            await SetCacheAsync($"{CacheKeys.StateProvince}.{stateProvince.CountryId}", cacheData);
+        }
+
+        /// <summary>
+        /// 更新调整国家缓存数据
+        /// </summary>
+        /// <param name="country"></param>
+        /// <returns></returns>
+        public async Task ResetCountry(Country country)
+        {
+            var cacheData = await GetCountries();
+            var data = cacheData.Where(p => p.Id == country.Id).SingleOrDefault();
+            if (data != null)
+            {
+                cacheData.Remove(data);
+            }
+            cacheData.Add(country);
+            await SetCacheAsync($"{CacheKeys.Country}", cacheData);
+        }
+
+        private List<KeyValueTree> BuildAreaTree(long parentId, List<Area> areas, List<KeyValueTree> result)
+        {
+            var data = areas.Where(p => p.ParentId == parentId).ToList();
+            foreach (var area in areas)
+            {
+                var item = new KeyValueTree
+                {
+                    Key = area.Id.ToString(),
+                    Value = area.Name,
+                    Children = new List<KeyValueTree>()
+                };
+                var childs = areas.Where(p => p.ParentId == area.Id).ToList();
+                if (childs.Count > 0)
+                {
+                    var childrenTrees = BuildAreaTree(area.Id, areas, result);
+                    item.Children.AddRange(childrenTrees);
+                }
+                result.Add(item);
+            }
+            return result;
         }
     }
 }
diff --git a/Atomx.Utils/Extension/TreeExtension.cs b/Atomx.Utils/Extension/TreeExtension.cs
deleted file mode 100644
index 118002a..0000000
--- a/Atomx.Utils/Extension/TreeExtension.cs
+++ /dev/null
@@ -1,36 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Text;
-
-namespace Atomx.Utils.Extension
-{
-    public static class TreeExtension
-    {
-        public static List<T> ToTree<T>(this List<T> list, Func<T, string> getId, Func<T, string> getParentId, Action<T, List<T>> setChildren, string rootParentId = "0")
-        {
-            var lookup = new Dictionary<string, T>();
-            var result = new List<T>();
-            foreach (var item in list)
-            {
-                var id = getId(item);
-                lookup[id] = item;
-            }
-            foreach (var item in list)
-            {
-                var parentId = getParentId(item);
-                if (parentId == rootParentId || !lookup.ContainsKey(parentId))
-                {
-                    result.Add(item);
-                }
-                else
-                {
-                    var parent = lookup[parentId];
-                    var children = new List<T>();
-                    setChildren(parent, children);
-                    children.Add(item);
-                }
-            }
-            return result;
-        }
-    }
-}