diff --git a/app/controllers/pull_requests_controller.rb b/app/controllers/pull_requests_controller.rb
index 58d1cb3b2..c365a8b37 100644
--- a/app/controllers/pull_requests_controller.rb
+++ b/app/controllers/pull_requests_controller.rb
@@ -1,7 +1,7 @@
 
 class PullRequestsController < ApplicationController
   before_filter :find_project_and_repository
-  before_filter :connect_gitlab, :only => [:index, :show, :create, :accept_pull_request, :pull_request_commits, :pull_request_changes, :new]
+  before_filter :connect_gitlab, :only => [:index, :show, :create, :accept_pull_request, :pull_request_commits, :pull_request_changes, :new, :update_pull_request]
   layout "base_projects"
   include PullRequestsHelper
   include ApplicationHelper
@@ -107,6 +107,18 @@ class PullRequestsController < ApplicationController
     end
   end
 
+  # 更新请求的状态state => cloesed
+  def update_pull_request
+    begin
+      @g.update_merge_request(@project.gpid, params[:id], :state_event => params[:state])
+      respond_to do |format|
+        format.html{redirect_to project_pull_request_path(params[:id], :project_id => @project.id)}
+      end
+    rescue Exception => e
+      @message = e.message
+    end
+  end
+
   # 获取某次请求的提交次数
   def pull_request_commits
     @type = parms[:type]
diff --git a/app/helpers/pull_requests_helper.rb b/app/helpers/pull_requests_helper.rb
index 82d4edc0f..c33100ea8 100644
--- a/app/helpers/pull_requests_helper.rb
+++ b/app/helpers/pull_requests_helper.rb
@@ -14,4 +14,15 @@ module PullRequestsHelper
     User.find(user_id).try(:login)
   end
 
+  def get_state state
+    case state
+      when "open","reopened"
+        l(:label_state_open)
+      when "closed"
+        l(:label_state_closed)
+      when "merged"
+        l(:label_state_merged)
+    end
+  end
+
 end
diff --git a/app/views/pull_requests/_show.html.erb b/app/views/pull_requests/_show.html.erb
index 7bcf296a3..bb3cefc9f 100644
--- a/app/views/pull_requests/_show.html.erb
+++ b/app/views/pull_requests/_show.html.erb
@@ -4,8 +4,10 @@
 
 <div id="pull_request_show">
   <div id="mergeShow" class="f14 fontGrey2 merge-show">
-    <span class="mr10 open-status"><%= @request.state == "merged" ? "已合并" : "待处理" %></span><span class="mr10">合并请求</span>   由<%= link_to @request.author.try(:username), user_path(get_user_by_login_and(@request.author.try(:username))), :class => "link-blue" %>于<%= time_tag(@request.created_at) %>提交 · 最后编辑时间<%= time_tag(@request.updated_at) %>
-    <!--<a href="javascript:void(0);" class="BlueCirBtnMini fr mt5">编辑</a>-->
+    <span class="mr10 open-status"><%= get_state(@request.state) %></span><span class="mr10">合并请求</span>   由<%= link_to @request.author.try(:username), user_path(get_user_by_login_and(@request.author.try(:username))), :class => "link-blue" %>于<%= time_tag(@request.created_at) %>提交 · 最后编辑时间<%= time_tag(@request.updated_at) %>
+    <% unless @request.state == "merged" %>
+        <%= link_to "#{@request.state == 'closed' ? '重新打开' : '关闭'}", update_pull_request_project_pull_request_path(@request.id, :project_id => @project.id, :state => @request.state =="closed" ? "reopen" : "close"), :class => "BlueCirBtn fr" %>
+  <% end %>
     <div class="cl"></div>
   </div>
   <div class="new-merge-row b_grey"><strong><%= @request.title %></strong><p class="mt10"><%= @request.description %></p></div>
diff --git a/config/locales/projects/zh.yml b/config/locales/projects/zh.yml
index 91cc96791..792ff35fd 100644
--- a/config/locales/projects/zh.yml
+++ b/config/locales/projects/zh.yml
@@ -456,4 +456,9 @@ zh:
 
   # 版本库迁移
   label_repository_migrate_dec: 注意：Trustie版本库近期进行了一次大的改造，历史版本需要转换成新的版本，输入新的版本库名，即可完成转换。 转换过程可能需要等待一段时间。
-  label_repository_name_dec: 版本库名仅小写字母（a-z）、数字、破折号（-）和下划线（_）可以使用，长度必须在 1 到 254 个字符之间，一旦保存，标识无法修改。
\ No newline at end of file
+  label_repository_name_dec: 版本库名仅小写字母（a-z）、数字、破折号（-）和下划线（_）可以使用，长度必须在 1 到 254 个字符之间，一旦保存，标识无法修改。
+
+  # pull requests
+  label_state_open: 待处理
+  label_state_closed: 关闭
+  label_state_merged: 已合并
diff --git a/config/routes.rb b/config/routes.rb
index 5527212fd..eb822d27e 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -816,6 +816,7 @@ RedmineApp::Application.routes.draw do
         get 'accept_pull_request'
         get 'pull_request_commits'
         get 'pull_request_changes'
+        get 'update_pull_request'
       end
     end