diff --git a/vendor/built_in_modules/personal_conference/app/views/panel/personal_conference/desktop/conference_co_author_relations/index.html.erb b/vendor/built_in_modules/personal_conference/app/views/panel/personal_conference/desktop/conference_co_author_relations/index.html.erb
index d8b4451a..5b4db5fc 100644
--- a/vendor/built_in_modules/personal_conference/app/views/panel/personal_conference/desktop/conference_co_author_relations/index.html.erb
+++ b/vendor/built_in_modules/personal_conference/app/views/panel/personal_conference/desktop/conference_co_author_relations/index.html.erb
@@ -8,7 +8,7 @@
         </ul>
       </div>
     </div>
-    <%= submit_tag "Back", :type => "button", class: "bt-cancel fn_btn ini_input hp hh2 thmtxt" %>
+    <%= submit_tag "Back", :type => "button", "ajax-remote" => "get", :href => panel_personal_conference_desktop_conference_co_authors_path, class: "bt-cancel fn_btn ini_input hp hh2 thmtxt" %>
   </div>
 </div>
 
diff --git a/vendor/built_in_modules/personal_conference/app/views/panel/personal_conference/desktop/conference_co_authors/_form.html.erb b/vendor/built_in_modules/personal_conference/app/views/panel/personal_conference/desktop/conference_co_authors/_form.html.erb
index 0df7a876..22efcbf5 100644
--- a/vendor/built_in_modules/personal_conference/app/views/panel/personal_conference/desktop/conference_co_authors/_form.html.erb
+++ b/vendor/built_in_modules/personal_conference/app/views/panel/personal_conference/desktop/conference_co_authors/_form.html.erb
@@ -1,7 +1,7 @@
 <div class="toolbar hh2">
   <div class="fn_g hp">
     <%= f.submit "Save", name: "commit", value: "Save", class: "fn_btn ini_input hp hh2 thmc2 thmtxt" %>
-    <%= submit_tag "Cancel", :type => "button", class: "bt-cancel fn_btn ini_input hp hh2 thmtxt" %>
+    <%= submit_tag "Cancel", :type => "button", "ajax-remote" => "get", :href => panel_personal_conference_desktop_conference_co_authors_path, class: "bt-cancel fn_btn ini_input hp hh2 thmtxt" %>
   </div>
 </div>
 <div id="new_co_author" class="s_grid_con s_form vp">
diff --git a/vendor/built_in_modules/personal_conference/app/views/panel/personal_conference/desktop/conference_pages/_form.html.erb b/vendor/built_in_modules/personal_conference/app/views/panel/personal_conference/desktop/conference_pages/_form.html.erb
index 576ea462..fd6e59c9 100644
--- a/vendor/built_in_modules/personal_conference/app/views/panel/personal_conference/desktop/conference_pages/_form.html.erb
+++ b/vendor/built_in_modules/personal_conference/app/views/panel/personal_conference/desktop/conference_pages/_form.html.erb
@@ -3,7 +3,7 @@
     <%= f.submit t("save"), name: "commit", value: "Save", class: "fn_btn ini_input hp hh2 thmc2 thmtxt" %>
     <!-- class: bt-cancle can't be remove -->
     <% if not @writing_conference.new_record? %>
-      <%= submit_tag t("cancel"), :type => "button", class: "bt-cancel ini_input hp hh2 thmadm thmtxt" %>
+      <%= submit_tag t("cancel"), :type => "button", "ajax-remote" => "get", :href => panel_personal_conference_desktop_conference_pages_path, class: "bt-cancel ini_input hp hh2 thmadm thmtxt" %>
     <% end %>
   </div>
   <div class="hh2 hp sdm">