diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index cbce67618..b1aae9b26 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -916,4 +916,11 @@ class ApplicationController < ActionController::Base
     call_hook(:controller_account_success_authentication_after, {:user => user })
   end
 
+  def user_unlogged_check
+    if !User.current.logged?
+      render(:partial => 'organizations/unlogged_tip')
+      return false
+    end
+    true
+  end
 end
diff --git a/app/controllers/org_subfields_controller.rb b/app/controllers/org_subfields_controller.rb
index 38f5879e5..734e8a719 100644
--- a/app/controllers/org_subfields_controller.rb
+++ b/app/controllers/org_subfields_controller.rb
@@ -57,6 +57,10 @@ class OrgSubfieldsController < ApplicationController
       @org_subfield = OrgSubfield.find_by_sql("select distinct org_subfields.* from org_subfields,"+
                                                   "subfield_subdomain_dirs where org_subfields.id = subfield_subdomain_dirs.org_subfield_id and "+
                                                   " org_subfields.organization_id=#{@organization.id} and subfield_subdomain_dirs.name='#{params[:sub_dir_name]}'").first
+      if @org_subfield.nil?
+        render_404
+        return
+      end
       if @org_subfield.field_type == 'Post'
         @org_subfield_ids = @org_subfield.org_document_comments.map(&:id) << 0
         @org_activities = OrgActivity.where("(org_act_type='OrgDocumentComment'and org_act_id in (#{@org_subfield_ids.join(",")})) || (container_type='OrgSubfield' and container_id=#{@org_subfield.id})").order('updated_at desc').page(params[:page] || 1).per(10)
diff --git a/app/controllers/praise_tread_controller.rb b/app/controllers/praise_tread_controller.rb
index 0c665341a..b6eb54d2f 100644
--- a/app/controllers/praise_tread_controller.rb
+++ b/app/controllers/praise_tread_controller.rb
@@ -1,12 +1,12 @@
 class PraiseTreadController < ApplicationController
   
   accept_api_auth :tread_plus,:praise_plus
-  before_filter :require_login,:only => [:praise_plus,:tread_plus]
+  # before_filter :require_login,:only => [:praise_plus,:tread_plus]
+  before_filter :user_unlogged_check,:only => [:praise_plus,:tread_plus,:praise_minus]
   
   def praise_plus
     @obj = nil
     @activity = false
-
     if request.get?
       @obj_id = params[:obj_id]
       @obj_type = params[:obj_type]
diff --git a/app/views/organizations/_unlogged_tip.js.erb b/app/views/organizations/_unlogged_tip.js.erb
new file mode 100644
index 000000000..ac49fd422
--- /dev/null
+++ b/app/views/organizations/_unlogged_tip.js.erb
@@ -0,0 +1,4 @@
+//获取登录页面地址
+var signinPath = '<%= signin_url_without_domain %>';
+var htmlvalue = "</br><div style='width:550px;text-align:center'>您还没有登录，请登录后再执行此操作，谢谢！</div></br><div style='width:164px; margin:0 auto; text-align:center'><a href="+signinPath+" class='Blue-btn fl' target='_Blank' onclick=' hideModal()' >登录</a><a href='javascript:void(0);' class='Blue-btn fl' onclick='hideModal()'>关闭</a></div>";
+pop_up_box(htmlvalue,580,30,50);
\ No newline at end of file
diff --git a/app/views/users/_show_unlogged.html.erb b/app/views/users/_show_unlogged.html.erb
index 258ebe7af..cd59123b1 100644
--- a/app/views/users/_show_unlogged.html.erb
+++ b/app/views/users/_show_unlogged.html.erb
@@ -1,3 +1,13 @@
 <div class="visitor-box fontGrey2">
-  <%= link_to "登录", signin_path, :class => "linkBlue", :target => "_blank" %>后可添加回复
-</div>
\ No newline at end of file
+  <a href='javascript:void(0);' class='linkBlue' onclick='loginClick()'>登录</a>后可添加回复
+  <%#= link_to "登录", signin_path, :class => "linkBlue", :target => "_blank" %>
+</div>
+<script type="text/javascript">
+  function loginClick()
+  {
+      //获取登录页面地址
+      var signinPath = '<%= signin_url_without_domain %>';
+      var htmlvalue = "</br><div style='width:550px;text-align:center'>您还没有登录，请登录后再执行此操作，谢谢！</div></br><div style='width:164px; margin:0 auto; text-align:center'><a href="+signinPath+" class='Blue-btn fl' target='_Blank' onclick=' hideModal()' >登录</a><a href='javascript:void(0);' class='Blue-btn fl' onclick='hideModal()'>关闭</a></div>";
+      pop_up_box(htmlvalue,580,30,50);
+  }
+</script>
\ No newline at end of file