diff --git a/app/models/mailer.rb b/app/models/mailer.rb
index ee37927d3..05b0349ec 100644
--- a/app/models/mailer.rb
+++ b/app/models/mailer.rb
@@ -380,7 +380,15 @@ class Mailer < ActionMailer::Base
   end
 
   # issue截止时间提醒
-  def issue_due_date(issue, recipients)
+  def issue_due_date(issue)
+    recipients ||= []
+    if issue.author.id != issue.assigned_to_id
+      recipients << issue.author.mail
+    end
+
+    # 被指派人邮箱地址加入数组
+    recipients << issue.assigned_to.mail
+    # cc = wiki_content.page.wiki.watcher_recipients - recipients
     @author = issue.author
     @issue_name = issue.subject
     @issue_url = url_for(:controller  => 'issues', :action => 'show', :id => issue.id)
diff --git a/app/views/mailer/issue_due_date.text.erb b/app/views/mailer/issue_due_date.text.erb
new file mode 100644
index 000000000..e69de29bb
diff --git a/lib/tasks/issue_due_date.rake b/lib/tasks/issue_due_date.rake
index 74ee242f5..8ea6d9ed0 100644
--- a/lib/tasks/issue_due_date.rake
+++ b/lib/tasks/issue_due_date.rake
@@ -14,10 +14,10 @@ namespace :issue_due_date do
         recipients << assigner
         recipients.each do |r|
           issue.forge_messages << ForgeMessage.new(:user_id => r.id, :project_id => issue.project_id, :viewed => false, :status => 1)
-          # issue截止时间邮件提醒
-          Mailer.issue_due_date(issue, recipients).deliver
         end
       end
+      # issue截止时间邮件提醒
+      Mailer.issue_due_date(issue).deliver
     end
   end
 end