diff --git a/Atomx.Common/Constants/CacheKeys.cs b/Atomx.Common/Constants/CacheKeys.cs
index 12cb4be..46c70c4 100644
--- a/Atomx.Common/Constants/CacheKeys.cs
+++ b/Atomx.Common/Constants/CacheKeys.cs
@@ -93,7 +93,7 @@
         /// <summary>
         /// 国家数据缓存树形结构
         /// </summary>
-        public const string CountryTree = "Area.CountryTree";
+        public const string CountryTree = "Area.CountryTree.";
 
         /// <summary>
         /// 国家数据缓存
diff --git a/Atomx.Data/CacheServices/AreaCacheService.cs b/Atomx.Data/CacheServices/AreaCacheService.cs
index ab2e39b..6ed96a7 100644
--- a/Atomx.Data/CacheServices/AreaCacheService.cs
+++ b/Atomx.Data/CacheServices/AreaCacheService.cs
@@ -39,12 +39,14 @@ namespace Atomx.Data.CacheServices
         /// <param name="countryId"></param>
         /// <returns></returns>
         List<KeyValueTree> GetAreaTreeAsync(long countryId);
+
+
     }
     public partial class CacheService : ICacheService
     {
         public async Task<List<KeyValueTree>> GetAreaTreeAsync(long countryId, bool? reload = false)
         {
-            var cacheData = await GetCacheAsync<List<KeyValueTree>>(CacheKeys.CountryTree);
+            var cacheData = await GetCacheAsync<List<KeyValueTree>>($"{CacheKeys.CountryTree}{countryId}");
             if (cacheData == null || reload.HasValue && reload.Value)
             {
                 var state = _dbContext.StateProvinces.Where(p => p.CountryId == countryId).ToList();
@@ -64,7 +66,7 @@ namespace Atomx.Data.CacheServices
                              }).ToList();
                 await SetCacheAsync(CacheKeys.Country, cacheData);
             }
-            return cacheData;
+            return cacheData; 
         }
 
         public async Task<List<Area>> GetCountry(bool? reload = false)