diff --git a/app/models/mailer.rb b/app/models/mailer.rb
index 0d0b82752..4981d12f1 100644
--- a/app/models/mailer.rb
+++ b/app/models/mailer.rb
@@ -104,7 +104,7 @@ class Mailer < ActionMailer::Base
 
     # 查询user的缺陷，项目中成员都能收到
     sql = "select DISTINCT * from members m, issues i where i.project_id = m.project_id and m.user_id='#{user.id}'
-     and (i.updated_on between '#{date_from}' and '#{date_to}') order by i.updated_on desc"
+     and (i.updated_on between '#{date_from}' and '#{date_to}') order by i.project_id, i.updated_on desc"
     @issues = Issue.find_by_sql(sql)
 
     # issue回复
@@ -125,7 +125,7 @@ class Mailer < ActionMailer::Base
         @bids += bids if bids.count > 0
         @attachments += attachments if attachments.count > 0
       end
-      @bids.sort {|a, b| a.created_at <=> b.created_at}
+      @bids  = @bids.sort_by { |obj| obj.created_at }
     end
 
     # 项目附件