diff --git a/app/controllers/managements_controller.rb b/app/controllers/managements_controller.rb
index 881c5b25..e42beca7 100755
--- a/app/controllers/managements_controller.rb
+++ b/app/controllers/managements_controller.rb
@@ -2049,6 +2049,11 @@ end
     end
   end
 
+  # 解除ip限制
+  def cancel_ip_limit
+    LoginIpInfo.destroy_all
+  end
+
   # 0 全部；1 活动的； 2 已注册； 3 锁定
   def users
     @menu_type = 7
diff --git a/app/controllers/users_controller.rb b/app/controllers/users_controller.rb
index e86a9be9..8242781b 100755
--- a/app/controllers/users_controller.rb
+++ b/app/controllers/users_controller.rb
@@ -33,7 +33,7 @@ class UsersController < ApplicationController
   menu_item :user_messages, :only => :user_messages
 
 
-  #
+  before_filter :local_exam, only: [:user_tidings]
   before_filter :can_show_course, :only => [:user_courses, :user_homeworks]
   before_filter :check_authentication, :except => [:name_update, :realname_update, :update_user_pro, :update_user_location, :send_message_to_administrator, :show_or_hide_realname]
 
diff --git a/app/views/managements/cancel_ip_limit.js.erb b/app/views/managements/cancel_ip_limit.js.erb
new file mode 100644
index 00000000..ced881a7
--- /dev/null
+++ b/app/views/managements/cancel_ip_limit.js.erb
@@ -0,0 +1 @@
+notice_box("解除成功");
\ No newline at end of file
diff --git a/app/views/managements/users.html.erb b/app/views/managements/users.html.erb
index dadd9360..7d24d6a4 100755
--- a/app/views/managements/users.html.erb
+++ b/app/views/managements/users.html.erb
@@ -24,7 +24,7 @@
         <input type="text" class="fl task-form-100 task-height-40 panel-box-sizing" name="research_contents" placeholder="输入关键字进行搜索">
       </div>
       <li class="fl task-height-30 ml10" style="display: inline-block">
-        <input nhname="tag" autocomplete="off" maxlength="36" nh_tag_0="true" nh_tag_1="true" nh_tag_3="true" name="school" class="task-height-40 panel-box-sizing fl" type="text"  placeholder="请输入单位名称关键字进行搜索" style="width: 240px" />
+        <input nhname="tag" autocomplete="off" maxlength="36" nh_tag_0="true" nh_tag_1="true" nh_tag_3="true" name="school" class="task-height-40 panel-box-sizing fl" type="text"  placeholder="请输入单位名称关键字进行搜索" style="width: 200px" />
         <input nhname="tag" nh_tag_5="true" class="fl" id="school_id" name="school_id" style="display:none;" type="text"/> <!-- 单位名称的test框选中下拉列表框的id -->
         <div class="cl"></div>
       </li>
@@ -36,7 +36,8 @@
 
       <a href="javascript:void(0);" onclick="import_student_accounts();" class="fl ml20 task-btn task-btn-orange mt5">账号生成</a>
       <a href="javascript:void(0);" onclick="import_course_members();" class="fl ml10 task-btn task-btn-orange mt5">课堂添加成员</a>
-  <% end %>
+    <a href="<%= cancel_ip_limit_managements_path %>" data-method="delete" data-remote="true" class="fl ml10 task-btn task-btn-orange mt5">解除ip限制</a>
+<% end %>
 </div>
 <div class="edu-con-bg01 mt15" id="managements_user_list">
   <%= render :partial => "managements/user_list" %>
diff --git a/config/routes.rb b/config/routes.rb
index 74ac7698..23c56fe6 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -723,6 +723,7 @@ RedmineApp::Application.routes.draw do ## oauth相关
       delete :delete_customers
       get :customers_list
       post :unlock_user_ip
+      delete :cancel_ip_limit
     end
   end
   # Enable Grack support