diff --git a/app/controllers/announcements_controller.rb b/app/controllers/announcements_controller.rb
index 3e5d3e4..37fbf12 100644
--- a/app/controllers/announcements_controller.rb
+++ b/app/controllers/announcements_controller.rb
@@ -25,7 +25,7 @@ class AnnouncementsController < ApplicationController
           }
         end
         locale = OrbitHelper.get_site_locale.to_s
-        files = a.bulletin_files.map{|file|  { "file_url" =>  file.file.url, "file_title" => (file.title.blank? ? File.basename(file.file.path) : file.title rescue '') } if file.enabled_for?(locale) } rescue []
+        files = a.bulletin_files.map{|file|  { "file_url" =>  file.file.url + "\" title=\"#{file.file_title}", "file_title" => (file.title.blank? ? File.basename(file.file.path) : file.title rescue '') } if file.enabled_for?(locale) } rescue []
         files.delete(nil)
         links = a.bulletin_links.map{|link|  { "link_url" => link.url, "link_title" => (link.title.blank? ? link.url : link.title) } } rescue []
         author = User.find(a.create_user_id).member_profile.name rescue ""
@@ -254,7 +254,7 @@ class AnnouncementsController < ApplicationController
       "url" => OrbitHelper.page_for_tag(tag)
     } } rescue []
     files = announcement.bulletin_files.map do |file|  
-              { "file_url" =>  "/xhr/announcements/file/#{file.id}/#{file['file']}", 
+              { "file_url" =>  "/xhr/announcements/file/#{file.id}/#{file['file']}" + "\" title=\"#{file.file_title}", 
                 "file_title" => (file.title.blank? ? URI.unescape(File.basename(file.file.path)) : file.title rescue '') } if file.enabled_for?(locale)
             end rescue []
     files.delete(nil)
@@ -411,7 +411,7 @@ class AnnouncementsController < ApplicationController
           }
         end
         locale = I18n.locale.to_s
-        files = a.bulletin_files.map{|file|  { "file_url" =>  file.file.url, "file_title" => (file.title.blank? ? File.basename(file.file.path) : file.title rescue '') } if file.enabled_for?(locale) } rescue []
+        files = a.bulletin_files.map{|file|  { "file_url" =>  file.file.url + "\" title=\"#{file.file_title}", "file_title" => (file.title.blank? ? File.basename(file.file.path) : file.title rescue '') } if file.enabled_for?(locale) } rescue []
         files.delete(nil)
         links = a.bulletin_links.map{|link|  { "link_url" => link.url, "link_title" => (link.title.blank? ? link.url : link.title) } } rescue []
         author = User.find(a.create_user_id).member_profile.name rescue ""
diff --git a/app/models/bulletin_file.rb b/app/models/bulletin_file.rb
index f6ade0a..4d70e74 100644
--- a/app/models/bulletin_file.rb
+++ b/app/models/bulletin_file.rb
@@ -12,7 +12,15 @@ class BulletinFile
   field :privacy_type, type: String, default: 'public'
   belongs_to :bulletin
 
-
+  def file_title
+    if self.description.present?
+      return self.description
+    elsif self.title.present?
+      return self.title
+    else
+      return File.basename(self.file.path)
+    end
+  end
   def enabled_for?(lang)
   	if lang.nil?
   		return true
diff --git a/app/views/admin/announcements/_form.html.erb b/app/views/admin/announcements/_form.html.erb
index fced971..91f9af2 100644
--- a/app/views/admin/announcements/_form.html.erb
+++ b/app/views/admin/announcements/_form.html.erb
@@ -426,7 +426,7 @@
     <div class="control-group">
       <label class="control-label muted"><%= t(:file_) %></label>
       <div class="controls">
-
+        <div id="file_description_hint"><%= t("announcement.file_description_hint") %></div>
         <!-- Exist -->
         <% if @bulletin && !@bulletin.bulletin_files.blank? %>
           <div class="exist">
diff --git a/config/locales/en.yml b/config/locales/en.yml
index 8144bc7..8fd908e 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -94,6 +94,7 @@ en:
     editing_announcement_category: Edit Category
     file: Attachment
     file_description: File Description
+    file_description_hint: 'File Description will display in the title of file link.(When placing mouse on the link,the title will display)'
     file_name: File Name
     frontend:
       bulletins: Announcement front-end
diff --git a/config/locales/zh_tw.yml b/config/locales/zh_tw.yml
index f07f209..81d9ab4 100644
--- a/config/locales/zh_tw.yml
+++ b/config/locales/zh_tw.yml
@@ -97,6 +97,7 @@ zh_tw:
       no_avilb_cate_for_posting: 沒有可以張貼的類別
     file: 附加檔案
     file_description: 檔案描述
+    file_description_hint: '檔案描述將會顯示在前台檔案連結的title(把滑鼠放在連結上會出現的文字)'
     file_name: 檔案名稱
     frontend:
       bulletins: 公告前台