diff --git a/app/controllers/seminars_controller.rb b/app/controllers/seminars_controller.rb
index 657bd18..fdf0d49 100644
--- a/app/controllers/seminars_controller.rb
+++ b/app/controllers/seminars_controller.rb
@@ -178,11 +178,33 @@ class SeminarsController < ApplicationController
         if !@signup.blank?
          redirect_to "#{params[:referer_url]}", :notice => 'mail已存在'
         else
-         redirect_to "#{params[:referer_url]}", :notice => t('recaptcha.errors.verification_failed')
+          referer_url = params[:referer_url].to_s
+          if referer_url.split("/").last.include?("?")
+            uri_query = referer_url.split("?").last.gsub(/notice=[^&]*/,'')
+            if uri_query == ""
+              referer_url = referer_url.split("?")[0...-1].join("?") + "?notice=#{t('recaptcha.errors.verification_failed')}"
+            else
+              referer_url = referer_url.split("?")[0...-1].join("?") + "&notice=#{t('recaptcha.errors.verification_failed')}"
+            end
+          else
+            referer_url = referer_url + "?notice=#{t('recaptcha.errors.verification_failed')}"
+          end
+          redirect_to referer_url, :notice => t('recaptcha.errors.verification_failed')
         end
       end
     else
-       redirect_to "#{params[:referer_url]}", :notice => t('recaptcha.errors.verification_failed')
+      referer_url = params[:referer_url].to_s
+      if referer_url.split("/").last.include?("?")
+        uri_query = referer_url.split("?").last.gsub(/notice=[^&]*/,'')
+        if uri_query == ""
+          referer_url = referer_url.split("?")[0...-1].join("?") + "?notice=#{t('recaptcha.errors.verification_failed')}"
+        else
+          referer_url = referer_url.split("?")[0...-1].join("?") + "&notice=#{t('recaptcha.errors.verification_failed')}"
+        end
+      else
+        referer_url = referer_url + "?notice=#{t('recaptcha.errors.verification_failed')}"
+      end
+      redirect_to referer_url, :notice => t('recaptcha.errors.verification_failed')
     end
 
   end
diff --git a/app/views/seminars/show.html.erb b/app/views/seminars/show.html.erb
index ef3d8bd..3fc1494 100644
--- a/app/views/seminars/show.html.erb
+++ b/app/views/seminars/show.html.erb
@@ -12,12 +12,17 @@
   <%= javascript_include_tag "lib/bootstrap-datetimepicker" %>
   <%= javascript_include_tag "lib/datetimepicker/date.time.picker.js" %>
   <%= javascript_include_tag "lib/datetimepicker/datetimepicker.js" %>
-
-
+<% notice = flash["notice"] || params[:notice] %>
 <% flash.each do |key, msg| %>
-  <%= content_tag :p, msg, :class => [key, "alert alert-error in fade"] %>
+  <% next if key.to_s == "notice" %>
+  <%= content_tag :p, msg, :class => [key, "alert alert-error in fade"], :style => "color: red; font-weight: bold;" %>
+<% end %>
+<% if notice.present? %>
+  <%= content_tag :p, params[:notice], :class => ["notice alert alert-error in fade"], :style => "color: red; font-weight: bold;" %>
+  <script type="text/javascript">
+    window.alert("<%=notice%>");
+  </script>
 <% end %>
-
 <%= form_for @seminar_signup, url: seminars_path, html: {class: "content form-horizontal" , :id=>"new-seminar-signup"} do |f| %>
   <fieldset>