fix email not deliver error

app/controllers/admin/announcements_controller.rb

@@ -336,6 +336,7 @@ class Admin::AnnouncementsController < OrbitAdminController
       if bulletin.email.nil?
         email = Email.new
         email.save
+        email.deliver rescue nil
         bulletin.email_id = email.id
         bulletin.save
       end

app/helpers/admin/announcements_helper.rb

@@ -127,6 +127,7 @@ module Admin::AnnouncementsHelper
         url = "http://#{request.host_with_port}/admin/announcements/#{announcement.id}/edit"
         datatosend = "<h3>Hello #{user.name},</h3><p>#{current_user.name} #{t("announcement.rejected_annoucement")} : #{announcement.rejection_reason} <a href='#{url}'> #{t("announcement.click_here_to_see")}</a></p>"
         mail = Email.new(:mail_to => email, :mail_subject => "Announcement rejected公告未通過 : #{announcement.title}.", :template => "email/announcement_email.html.erb", :template_data => {"html" => datatosend})
+        mail.save
         mail.deliver rescue nil
       end
     end
@@ -170,6 +171,7 @@ module Admin::AnnouncementsHelper
       datatosend = "<h3>#{t("announcement.approval_mail_hi", :name => name)},</h3><p>#{t("announcement.updated_annoucement", :poster => current_user.name)}<br /><br />#{t("announcement.approval_announcement_title")} : #{announcement.title} <br /> #{t("announcement.click_here_to_see")} : <a href='#{url}'> #{url} </a></p>"
     end
     email = Email.new(:mail_to => useremail, :mail_subject => " #{t("announcement.announcement_subject")} : #{announcement.title}.", :template => "email/announcement_email.html.erb", :template_data => {"html" => datatosend})
+    email.save
     email.deliver rescue nil
   end