diff --git a/lib/feed_model/cache.rb b/lib/feed_model/cache.rb
index 1b29f03..68f9c34 100644
--- a/lib/feed_model/cache.rb
+++ b/lib/feed_model/cache.rb
@@ -21,12 +21,16 @@ module FeedModel
     end
     def do_before_save
       if self.class == Category
-        SiteFeedAnnc.where(merge_with_category: self.id.to_s).each do |site_feed_annc|
-          recreate_annc_cache(site_feed_annc)
+        Thread.new do
+          SiteFeedAnnc.where(merge_with_category: self.id.to_s).each do |site_feed_annc|
+            recreate_annc_cache(site_feed_annc)
+          end
         end
       elsif self.class == SiteFeed
         if self.disabled != true
-          recreate_annc_cache(self)
+          Thread.new do
+            recreate_annc_cache(self)
+          end
         else
           tmp = SiteFeedAnnc.where(feed_id: self.id).first
           if !tmp.nil?