diff --git a/app/views/admin/event_news/export_excel.xlsx.axlsx b/app/views/admin/event_news/export_excel.xlsx.axlsx
index f37892d..ff991de 100644
--- a/app/views/admin/event_news/export_excel.xlsx.axlsx
+++ b/app/views/admin/event_news/export_excel.xlsx.axlsx
@@ -1,239 +1,243 @@
-# encoding: utf-8
-
-wb = xlsx_package.workbook
-
-wb.add_worksheet(name: "EventNewsModule") do |sheet|
-
-  heading = sheet.styles.add_style(:b => true, :locked => true)
-  example = sheet.styles.add_style(:i => true)
-  row = []
-  row1 = []
-  row2 = []
-
-  row << t("category")
-  row1 << "select"
-  t = ""
-  categories = @module_app.categories.asc(:created_at)
-  categories.each_with_index do |cat,i|
-      t = t + "#{i}" + " -> " + cat.title + ", " 
-  end
-  if categories.count > 0
-    t = t + " Example : 0"
-  else
-    t = "Leave this field blank"
-  end
-  row2 << t
-
-  row << t("tags")
-  row1 << "select"
-  t = ""
-  tags = @module_app.tags.asc(:created_at)
-  tags.each_with_index do |tag,i|
-      t = t + "#{i}" + " -> " + tag.name + ", " 
-  end
-  if tags.count > 0
-    t = t + " Example : 0,1,2"
-  else
-    t = "Leave this field blank"
-  end
-  row2 << t
-
-  row << t("event_news.event_date")
-  row1 << "datetime"
-  row2 << "Format: YYYY/MM/DD HH:mm, Example: 2015/12/10 15:20"
-
-  row << t("event_news.start_date")
-  row1 << "datetime"
-  row2 << "Format: YYYY/MM/DD HH:mm, Example: 2015/12/10 15:30"
-
-  row << t("event_news.end_date")
-  row1 << "datetime"
-  row2 << "Format: YYYY/MM/DD HH:mm, Example: 2015/12/12 17:30"
-
-  row << t("top")
-  row1 << "boolean"
-  row2 << "0 for false, 1 for true"
-
-  row << t("hot")
-  row1 << "boolean"
-  row2 << "0 for false, 1 for true"
-
-  row << t("hide")
-  row1 << "boolean"
-  row2 << "0 for false, 1 for true "
-
-  row << t("image")
-  row1 << "url"
-  row2 << "http://www.example.com/images/example.png"
-
-  row << t("image") + " " + t("description") + " - " +  t("en")
-  row1 << "textfield"
-  row2 << ""
-  row << t("image") + " " + t("description") + " - " +  t("zh_tw")
-  row1 << "textfield"
-  row2 << ""
-
-  row << t("title") + " - " +  t("en")
-  row1 << "textfield"
-  row2 << ""
-  row << t("title") + " - " +  t("zh_tw")
-  row1 << "textfield"
-  row2 << ""
-
-  row << t("event_news.speaker") + " - " +  t("en")
-  row1 << "textfield"
-  row2 << ""
-  row << t("event_news.speaker") + " - " +  t("zh_tw")
-  row1 << "textfield"
-  row2 << ""
-
-  row << t("event_news.host") + " - " +  t("en")
-  row1 << "textfield"
-  row2 << ""
-  row << t("event_news.host") + " - " +  t("zh_tw")
-  row1 << "textfield"
-  row2 << ""
-  
-  row << t("subtitle") + " - " +  t("en")
-  row1 << "textarea"
-  row2 << ""
-  row << t("subtitle") + " - " +  t("zh_tw")
-  row1 << "textarea"
-  row2 << ""
-
-  row << t("content") + " - " +  t("en")
-  row1 << "editor"
-  row2 << ""
-  row << t("content") + " - " +  t("zh_tw")
-  row1 << "editor"
-  row2 << ""
-
-  row << t("event_news.notes") + " - " +  t("en")
-  row1 << "editor"
-  row2 << ""
-  row << t("event_news.notes") + " - " +  t("zh_tw")
-  row1 << "editor"
-  row2 << ""
-
-  row << t("link")
-  row1 << "textfield"
-  row2 << "Seperate with ';'. Example: http://rulingcom.com; http://google.com"
-  
-  row << t("link") + " " + t("url_alt") + " - " +  t("en")
-  row1 << "textfield"
-  row2 << "Seperate with ';' with respective to the links in the link columns. Example : Rulingcom official site; Google search engine"
-  row << t("link") + " " + t("url_alt") + " - " +  t("zh_tw")
-  row1 << "textfield"
-  row2 << "Seperate with ';' with respective to the links in the link columns. Example : Rulingcom official site; Google search engine"
-
-  row << t("file_")
-  row1 << "textfield"
-  row2 << "Seperate with ';'. Example: http://www.example.com/images/example.png; http://www.example.com/images/example2.png"
-  
-  row << t("file_") + " " + t("description") + " - " +  t("en")
-  row1 << "textfield"
-  row2 << "Seperate with ';' with respective to the links in the link columns. Example : Great view; Nice potrait"
-  row << t("file_") + " " + t("description") + " - " +  t("zh_tw")
-  row1 << "textfield"
-  row2 << "Seperate with ';' with respective to the links in the link columns. Example : Great view; Nice potrait"
-
-  row << t("file_") + " " + t("alternative") + " - " +  t("en")
-  row1 << "textfield"
-  row2 << "Seperate with ';' with respective to the links in the link columns. Example : example1; example2"
-  row << t("file_") + " " + t("alternative") + " - " +  t("zh_tw")
-  row1 << "textfield"
-  row2 << "Seperate with ';' with respective to the links in the link columns. Example : example1; example2"
-
-  row << t("event_news.place") + "-" +  t("en")
-  row1 << "textfield"
-  row2 << ""
-  row << t("event_news.place") + "-" +  t("zh_tw")
-  row1 << "textfield"
-  row2 << ""
-  row << t("event_news.event_end_date")
-  row1 << "datetime"
-  row2 << "Format: YYYY/MM/DD HH:mm, Example: 2015/12/10 15:20"
-  row << t("event_news.carousel_image") + "-" + t("image")
-  row1 << "url"
-  row2 << "Seperate with ';'. Example: http://www.example.com/images/example.png; http://www.example.com/images/example2.png"
-  row << t("event_news.carousel_image") + "-" + t("description") + " - " +  t("en")
-  row1 << "textfield"
-  row2 << "Seperate with ';' with respective to the links in the link columns. Example : Great view; Nice potrait"
-  row << t("event_news.carousel_image") + "-" + t("description") + " - " +  t("zh_tw")
-  row1 << "textfield"
-  row2 << "Seperate with ';' with respective to the links in the link columns. Example : Great view; Nice potrait"
-  sheet.add_row row, :style => heading
-  sheet.add_row row1
-  sheet.add_row row2, :style => example
-
-  @event_news.each do |anns|
-    row = []
-    row << categories.to_a.index(anns.category)
-    t = []
-    anns.tags.each do |tag|
-      t << tags.to_a.index(tag)
-    end
-    row << t.join(",")
-    row << (anns.event_date.strftime("%Y/%m/%d %H:%M") rescue "")
-    row << (anns.postdate.strftime("%Y/%m/%d %H:%M") rescue "")
-    row << (anns.deadline.strftime("%Y/%m/%d %H:%M") rescue "")
-    row << (anns.is_top? ? 1 : 0)
-    row << (anns.is_hot? ? 1 : 0)
-    row << (anns.is_hidden? ? 1 : 0)
-    row << ("http://" + request.host_with_port + anns.image.url rescue "")
-    row << anns.image_description_translations["en"]
-    row << anns.image_description_translations["zh_tw"]
-    row << anns.title_translations["en"]
-    row << anns.title_translations["zh_tw"]
-    row << anns.speaker_translations["en"]
-    row << anns.speaker_translations["zh_tw"]
-    row << anns.host_translations["en"]
-    row << anns.host_translations["zh_tw"]
-    row << anns.subtitle_translations["en"]
-    row << anns.subtitle_translations["zh_tw"]
-    row << anns.text_translations["en"]
-    row << anns.text_translations["zh_tw"]
-    row << anns.notes_translations["en"]
-    row << anns.notes_translations["zh_tw"]
-
-    links = anns.event_news_links.asc(:created_at)
-    t = links.collect{|l|l.url}
-    row << t.join(";")
-    t = links.collect{|l|l.title_translations["en"]}
-    row << t.join(";")
-    t = links.collect{|l|l.title_translations["zh_tw"]}
-    row << t.join(";")
-    
-    files = anns.event_news_files.asc(:created_at)
-    t = files.collect{|f|("http://" + request.host_with_port + f.file.url rescue nil)}
-    t.delete(nil)
-    row << t.join(";")
-    t = files.collect{|l|l.description_translations["en"]}
-    row << t.join(";")
-    t = files.collect{|l|l.description_translations["zh_tw"]}
-    row << t.join(";")
-    t = files.collect{|l|l.title_translations["en"]}
-    row << t.join(";")
-    t = files.collect{|l|l.title_translations["zh_tw"]}
-    row << t.join(";")
-    row << anns.place_translations["en"]
-    row << anns.place_translations["zh_tw"]
-
-    row << (anns.event_end_date.strftime("%Y/%m/%d %H:%M") rescue "")
-
-    carousel_images = anns.event_carousel_images.asc(:created_at)
-    t = carousel_images.collect{|f|("http://" + request.host_with_port + f.file.url rescue nil)}
-    t.delete(nil)
-    row << t.join(";")
-    t = carousel_images.collect{|l|l.description_translations["en"]}
-    row << t.join(";")
-    t = carousel_images.collect{|l|l.description_translations["zh_tw"]}
-    row << t.join(";")
-    sheet.add_row row
-  end
-
-
-
-
-
+# encoding: utf-8
+
+wb = xlsx_package.workbook
+
+wb.add_worksheet(name: "EventNewsModule") do |sheet|
+
+  heading = sheet.styles.add_style(:b => true, :locked => true)
+  example = sheet.styles.add_style(:i => true)
+  row = []
+  row1 = []
+  row2 = []
+
+  row << t("category")
+  row1 << "select"
+  t = ""
+  categories = @module_app.categories.asc(:created_at).to_a
+  categories_ids_map = categories.to_enum.with_index.map{|v,i| [v.id,i]}.to_h
+  categories.each_with_index do |cat,i|
+      t = t + "#{i}" + " -> " + cat.title + ", " 
+  end
+  if categories.count > 0
+    t = t + " Example : 0"
+  else
+    t = "Leave this field blank"
+  end
+  row2 << t
+
+  row << t("tags")
+  row1 << "select"
+  t = ""
+  tags = @module_app.tags.asc(:created_at).to_a
+  tag_ids_map = tags.to_enum.with_index.map{|v,i| [v.id,i]}.to_h
+  tags.each_with_index do |tag,i|
+      t = t + "#{i}" + " -> " + tag.name + ", " 
+  end
+  if tags.count > 0
+    t = t + " Example : 0,1,2"
+  else
+    t = "Leave this field blank"
+  end
+  row2 << t
+
+  row << t("event_news.event_date")
+  row1 << "datetime"
+  row2 << "Format: YYYY/MM/DD HH:mm, Example: 2015/12/10 15:20"
+
+  row << t("event_news.start_date")
+  row1 << "datetime"
+  row2 << "Format: YYYY/MM/DD HH:mm, Example: 2015/12/10 15:30"
+
+  row << t("event_news.end_date")
+  row1 << "datetime"
+  row2 << "Format: YYYY/MM/DD HH:mm, Example: 2015/12/12 17:30"
+
+  row << t("top")
+  row1 << "boolean"
+  row2 << "0 for false, 1 for true"
+
+  row << t("hot")
+  row1 << "boolean"
+  row2 << "0 for false, 1 for true"
+
+  row << t("hide")
+  row1 << "boolean"
+  row2 << "0 for false, 1 for true "
+
+  row << t("image")
+  row1 << "url"
+  row2 << "http://www.example.com/images/example.png"
+
+  row << t("image") + " " + t("description") + " - " +  t("en")
+  row1 << "textfield"
+  row2 << ""
+  row << t("image") + " " + t("description") + " - " +  t("zh_tw")
+  row1 << "textfield"
+  row2 << ""
+
+  row << t("title") + " - " +  t("en")
+  row1 << "textfield"
+  row2 << ""
+  row << t("title") + " - " +  t("zh_tw")
+  row1 << "textfield"
+  row2 << ""
+
+  row << t("event_news.speaker") + " - " +  t("en")
+  row1 << "textfield"
+  row2 << ""
+  row << t("event_news.speaker") + " - " +  t("zh_tw")
+  row1 << "textfield"
+  row2 << ""
+
+  row << t("event_news.host") + " - " +  t("en")
+  row1 << "textfield"
+  row2 << ""
+  row << t("event_news.host") + " - " +  t("zh_tw")
+  row1 << "textfield"
+  row2 << ""
+  
+  row << t("subtitle") + " - " +  t("en")
+  row1 << "textarea"
+  row2 << ""
+  row << t("subtitle") + " - " +  t("zh_tw")
+  row1 << "textarea"
+  row2 << ""
+
+  row << t("content") + " - " +  t("en")
+  row1 << "editor"
+  row2 << ""
+  row << t("content") + " - " +  t("zh_tw")
+  row1 << "editor"
+  row2 << ""
+
+  row << t("event_news.notes") + " - " +  t("en")
+  row1 << "editor"
+  row2 << ""
+  row << t("event_news.notes") + " - " +  t("zh_tw")
+  row1 << "editor"
+  row2 << ""
+
+  row << t("link")
+  row1 << "textfield"
+  row2 << "Seperate with ';'. Example: http://rulingcom.com; http://google.com"
+  
+  row << t("link") + " " + t("url_alt") + " - " +  t("en")
+  row1 << "textfield"
+  row2 << "Seperate with ';' with respective to the links in the link columns. Example : Rulingcom official site; Google search engine"
+  row << t("link") + " " + t("url_alt") + " - " +  t("zh_tw")
+  row1 << "textfield"
+  row2 << "Seperate with ';' with respective to the links in the link columns. Example : Rulingcom official site; Google search engine"
+
+  row << t("file_")
+  row1 << "textfield"
+  row2 << "Seperate with ';'. Example: http://www.example.com/images/example.png; http://www.example.com/images/example2.png"
+  
+  row << t("file_") + " " + t("description") + " - " +  t("en")
+  row1 << "textfield"
+  row2 << "Seperate with ';' with respective to the links in the link columns. Example : Great view; Nice potrait"
+  row << t("file_") + " " + t("description") + " - " +  t("zh_tw")
+  row1 << "textfield"
+  row2 << "Seperate with ';' with respective to the links in the link columns. Example : Great view; Nice potrait"
+
+  row << t("file_") + " " + t("alternative") + " - " +  t("en")
+  row1 << "textfield"
+  row2 << "Seperate with ';' with respective to the links in the link columns. Example : example1; example2"
+  row << t("file_") + " " + t("alternative") + " - " +  t("zh_tw")
+  row1 << "textfield"
+  row2 << "Seperate with ';' with respective to the links in the link columns. Example : example1; example2"
+
+  row << t("event_news.place") + "-" +  t("en")
+  row1 << "textfield"
+  row2 << ""
+  row << t("event_news.place") + "-" +  t("zh_tw")
+  row1 << "textfield"
+  row2 << ""
+  row << t("event_news.event_end_date")
+  row1 << "datetime"
+  row2 << "Format: YYYY/MM/DD HH:mm, Example: 2015/12/10 15:20"
+  row << t("event_news.carousel_image") + "-" + t("image")
+  row1 << "url"
+  row2 << "Seperate with ';'. Example: http://www.example.com/images/example.png; http://www.example.com/images/example2.png"
+  row << t("event_news.carousel_image") + "-" + t("description") + " - " +  t("en")
+  row1 << "textfield"
+  row2 << "Seperate with ';' with respective to the links in the link columns. Example : Great view; Nice potrait"
+  row << t("event_news.carousel_image") + "-" + t("description") + " - " +  t("zh_tw")
+  row1 << "textfield"
+  row2 << "Seperate with ';' with respective to the links in the link columns. Example : Great view; Nice potrait"
+  sheet.add_row row, :style => heading
+  sheet.add_row row1
+  sheet.add_row row2, :style => example
+  tag_anns_map = Tagging.collection.aggregate([
+    {"$match" => {"taggable_id"=>{"$in"=>@event_news.pluck(:id)}}},
+    {"$group" => {"_id"=>"$taggable_id","children"=>{"$push"=>"$tag_id"}}}
+    ]).map{|v| [v['_id'],v['children']]}.to_h
+  @event_news.each do |anns|
+    row = []
+    row << categories_ids_map[anns.category_id]
+    t = Array(tag_anns_map[anns.id]).map do |tag_id|
+      tag_ids_map[tag_id]
+    end
+    row << t.join(",")
+    row << (anns.event_date.strftime("%Y/%m/%d %H:%M") rescue "")
+    row << (anns.postdate.strftime("%Y/%m/%d %H:%M") rescue "")
+    row << (anns.deadline.strftime("%Y/%m/%d %H:%M") rescue "")
+    row << (anns.is_top? ? 1 : 0)
+    row << (anns.is_hot? ? 1 : 0)
+    row << (anns.is_hidden? ? 1 : 0)
+    row << ("http://" + request.host_with_port + anns.image.url rescue "")
+    row << anns.image_description_translations["en"]
+    row << anns.image_description_translations["zh_tw"]
+    row << anns.title_translations["en"]
+    row << anns.title_translations["zh_tw"]
+    row << anns.speaker_translations["en"]
+    row << anns.speaker_translations["zh_tw"]
+    row << anns.host_translations["en"]
+    row << anns.host_translations["zh_tw"]
+    row << anns.subtitle_translations["en"]
+    row << anns.subtitle_translations["zh_tw"]
+    row << anns.text_translations["en"]
+    row << anns.text_translations["zh_tw"]
+    row << anns.notes_translations["en"]
+    row << anns.notes_translations["zh_tw"]
+
+    links = anns.event_news_links.asc(:created_at)
+    t = links.collect{|l|l.url}
+    row << t.join(";")
+    t = links.collect{|l|l.title_translations["en"]}
+    row << t.join(";")
+    t = links.collect{|l|l.title_translations["zh_tw"]}
+    row << t.join(";")
+    
+    files = anns.event_news_files.asc(:created_at)
+    t = files.collect{|f|("http://" + request.host_with_port + f.file.url rescue nil)}
+    t.delete(nil)
+    row << t.join(";")
+    t = files.collect{|l|l.description_translations["en"]}
+    row << t.join(";")
+    t = files.collect{|l|l.description_translations["zh_tw"]}
+    row << t.join(";")
+    t = files.collect{|l|l.title_translations["en"]}
+    row << t.join(";")
+    t = files.collect{|l|l.title_translations["zh_tw"]}
+    row << t.join(";")
+    row << anns.place_translations["en"]
+    row << anns.place_translations["zh_tw"]
+
+    row << (anns.event_end_date.strftime("%Y/%m/%d %H:%M") rescue "")
+
+    carousel_images = anns.event_carousel_images.asc(:created_at)
+    t = carousel_images.collect{|f|("http://" + request.host_with_port + f.file.url rescue nil)}
+    t.delete(nil)
+    row << t.join(";")
+    t = carousel_images.collect{|l|l.description_translations["en"]}
+    row << t.join(";")
+    t = carousel_images.collect{|l|l.description_translations["zh_tw"]}
+    row << t.join(";")
+    sheet.add_row row
+  end
+
+
+
+
+
 end
\ No newline at end of file