diff --git a/service/region.go b/service/region.go
index c29f1bb..d940ddb 100644
--- a/service/region.go
+++ b/service/region.go
@@ -13,11 +13,15 @@ type _RegionService struct{}
 var RegionService _RegionService
 
 func (_RegionService) FetchSubRegions(parent string) ([]model.Region, error) {
+	if regions, _ := cache.RetreiveSearch[[]model.Region]("region", "parent", parent); regions != nil {
+		return *regions, nil
+	}
 	regions := make([]model.Region, 0)
 	err := global.DBConn.Where(builder.Eq{"parent": parent}).Asc("code").Find(&regions)
 	if err != nil {
 		return make([]model.Region, 0), err
 	}
+	cache.CacheSearch(regions, "region", "region", "parent", parent)
 	return regions, err
 }
 
@@ -39,14 +43,13 @@ func (r _RegionService) FetchAllParentRegions(code string) ([]model.Region, erro
 }
 
 func (_RegionService) fetchRegion(code string) (*model.Region, error) {
-	cachedRegion, _ := cache.RetreiveData[model.Region]("region", code)
-	if cachedRegion != nil {
+	if cachedRegion, _ := cache.RetreiveSearch[model.Region]("region", code); cachedRegion != nil {
 		return cachedRegion, nil
 	}
 	region := new(model.Region)
 	has, err := global.DBConn.ID(code).NoAutoCondition().Get(region)
 	if has {
-		cache.CacheData(region, "region", code)
+		cache.CacheSearch(region, "region", "region", code)
 	}
 	return _postProcessSingle(region, has, err)
 }