diff --git a/app/controllers/announcements_controller.rb b/app/controllers/announcements_controller.rb
index 6e12e86..237cdd7 100644
--- a/app/controllers/announcements_controller.rb
+++ b/app/controllers/announcements_controller.rb
@@ -229,14 +229,16 @@ class AnnouncementsController < ApplicationController
     end
     if @tab_option == 0
       anns = get_anncs_for_pack_data(cats,tags,nil,is_random)
+      later_process = false
     else
+      later_process = true
       if cats.count != 1 || tags == ["all"]
         cats.each do |cat|
-          anns = anns + get_anncs_for_pack_data([cat],tags,'',is_random)
+          anns = anns + get_anncs_for_pack_data([cat],tags,'',is_random, later_process)
         end
       else
         tags.each do |tag|
-          anns = anns + get_anncs_for_pack_data(cats,[tag],tag,is_random)
+          anns = anns + get_anncs_for_pack_data(cats,[tag],tag,is_random, later_process)
         end
         use_tag = true
       end
@@ -250,6 +252,7 @@ class AnnouncementsController < ApplicationController
         cats = ["all"] + cats
       end
       anns = sort_announcements(anns)
+      process_anns(anns)
     end
     cats = cats.uniq
     tags = tags.uniq
@@ -545,7 +548,10 @@ class AnnouncementsController < ApplicationController
       end
     end
   end
-  def get_anncs_for_pack_data(cats,tags,set_tags=nil,is_random = false)
+  def process_anns(anns)
+    anns.each{|a| a["postdate"] = a["postdate"].in_time_zone(Time.zone.utc_offset / 3600).strftime('%Y-%m-%d %H:%M') if a["postdate"] }
+  end
+  def get_anncs_for_pack_data(cats,tags,set_tags=nil,is_random = false,later_process=false)
     if @annc_depts.nil?
       @annc_depts = []
       @tmp_enable_annc_dept = (enable_annc_dept rescue false)
@@ -624,7 +630,9 @@ class AnnouncementsController < ApplicationController
         anns = top_anns + rest_anns
       end
     end
-    anns.each{|a| a["postdate"] = a["postdate"].in_time_zone(Time.zone.utc_offset / 3600).strftime('%Y-%m-%d %H:%M') if a["postdate"] }
+    unless later_process
+      process_anns(anns)
+    end
     anns
   end