diff --git a/Api/Ewide.Core/Service/Area/AreaCodeService.cs b/Api/Ewide.Core/Service/Area/AreaCodeService.cs
index 671fa93..7c969ec 100644
--- a/Api/Ewide.Core/Service/Area/AreaCodeService.cs
+++ b/Api/Ewide.Core/Service/Area/AreaCodeService.cs
@@ -77,9 +77,10 @@ namespace Ewide.Core.Service.Area
             var cachedAreaCodes = await _sysCacheService.GetAreaCode();
             if (cachedAreaCodes == null || cachedAreaCodes.Count < 0)
             {
-                cachedAreaCodes = await _areaCodeRep.DetachedEntities.Where(p => p.LevelType <= level).ToListAsync();
+                cachedAreaCodes = await _areaCodeRep.DetachedEntities.ToListAsync();
                 await _sysCacheService.SetAreaCode(cachedAreaCodes);
             }
+            cachedAreaCodes = cachedAreaCodes.Where(p => p.LevelType <= level).ToList();
             return new TreeBuildUtil<AreaTreeNode>().DoTreeBuild(cachedAreaCodes.Select(u => new AreaTreeNode
             {
                 Code = u.Code,