diff --git a/app/controllers/admin/recruitment_controller.rb b/app/controllers/admin/recruitment_controller.rb
index 7e7d0ac..c0d4894 100644
--- a/app/controllers/admin/recruitment_controller.rb
+++ b/app/controllers/admin/recruitment_controller.rb
@@ -84,7 +84,7 @@ class Admin::RecruitmentController < OrbitAdminController
     uids = iframe_params['member_ids'].to_a.map{|m_id| MemberProfile.find(m_id).uid rescue nil}.select{|uid| !uid.nil?}
     url_params = iframe_params.except(:member_ids)
     url_params['uids'] = uids if uids != []
-    render :text => '/xhr/panel/recruitment/widget/sync_data?'+url_params.to_param
+    render :plain => '/xhr/panel/recruitment/widget/sync_data?'+url_params.to_param
   end
   def settings
     @setting = @recruitment_setting
@@ -488,7 +488,12 @@ class Admin::RecruitmentController < OrbitAdminController
     
     recruitment.is_preview = true
     recruitment.save
-    render :text=>page_for_recruitment(recruitment) + "?preview=true"
+    preview_url = page_for_recruitment(recruitment)
+    if preview_url == "/"
+      render :json => { "error" => true, "message" => t("recruitment.no_recruitment_page") }
+    else
+      render :plain=>preview_url + "?preview=true"   
+    end
   end
 
   def destroy_preview
diff --git a/app/views/admin/recruitment/_form.html.erb b/app/views/admin/recruitment/_form.html.erb
index ce16397..2f935ca 100644
--- a/app/views/admin/recruitment/_form.html.erb
+++ b/app/views/admin/recruitment/_form.html.erb
@@ -759,6 +759,10 @@
         processData: false,
         contentType: false
       }).done(function(data){
+        if(typeof data === "object" && data.error){
+          alert(data.message);
+          return;
+        }
         if(window.location.protocol === "https:"){
           data = data.replace("http:","https:");
         }
diff --git a/config/locales/en.yml b/config/locales/en.yml
index e17ea05..10e37ba 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -4,6 +4,7 @@ en:
   recruitment_mod:
     recruitment_mod: Recruitment
   recruitment:
+    no_recruitment_page: "No recruitment page has been set. Please set one first."
     carousel_image_types:
       default: Default
       carousel: Carousel
diff --git a/config/locales/zh_tw.yml b/config/locales/zh_tw.yml
index 098a90f..a1af7ee 100644
--- a/config/locales/zh_tw.yml
+++ b/config/locales/zh_tw.yml
@@ -4,6 +4,7 @@ zh_tw:
   recruitment_mod:
     recruitment_mod: 徵才資訊
   recruitment:
+    no_recruitment_page: "沒有任何徵才頁面，請先設定一個"
     carousel_image_types:
       default: 預設
       carousel: 輪播
diff --git a/lib/recruitment_mod/engine.rb b/lib/recruitment_mod/engine.rb
index 48b6677..e7ef395 100644
--- a/lib/recruitment_mod/engine.rb
+++ b/lib/recruitment_mod/engine.rb
@@ -130,7 +130,7 @@ module RecruitmentMod
           authorizable
           frontend_enabled
           feeds_url "/xhr/recruitment/feeds"
-          feeds_time_field (::RecruitmentHelper.is_postdate_sort_first ? ['postdate', 'event_date'] : ['event_date', 'postdate'])
+          feeds_time_field (::RecruitmentHelper.is_postdate_sort_first ? ['postdate', 'recruitment_date'] : ['recruitment_date', 'postdate'])
           data_count 1..30
           begin
             show_options data
diff --git a/modules/recruitment_mod/_recruitment_widget16.html.erb b/modules/recruitment_mod/_recruitment_widget16.html.erb
index e70b548..cc2c7e7 100644
--- a/modules/recruitment_mod/_recruitment_widget16.html.erb
+++ b/modules/recruitment_mod/_recruitment_widget16.html.erb
@@ -2,7 +2,7 @@
   <table class="w-annc__table  table">
     <thead>
       <tr>
-        <th class="w-annc__th  w-annc__th--date">{{event_date-head}}</th>
+        <th class="w-annc__th  w-annc__th--date">{{recruitment_date-head}}</th>
         <th class="w-annc__th  w-annc__th--title">{{title-head}}</th>
         <th class="w-annc__th  w-annc__th--title">{{subtitle-head}}</th>
         <th class="w-annc__th  w-annc__th--title">{{notes-head}}</th>
@@ -25,4 +25,4 @@
   <div class="w-annc__more-wrap clearfix">
     <a class="w-annc__more btn btn-primary pull-right" href="{{more_url}}"><%= t("recruitment.more") %></a>
   </div>
-</div>
\ No newline at end of file
+</div>
diff --git a/modules/recruitment_mod/_recruitment_widget17.html.erb b/modules/recruitment_mod/_recruitment_widget17.html.erb
index 73ffb18..c48351c 100644
--- a/modules/recruitment_mod/_recruitment_widget17.html.erb
+++ b/modules/recruitment_mod/_recruitment_widget17.html.erb
@@ -12,7 +12,7 @@
           </span>
           <a class="w-annc__title" href="{{link_to_show}}">{{title-head}}{{title}}</a>
         </td>
-        <td style="{{event-time-css}}" class="w-annc__host">{{event_date-head}}{{event-time-formated}}</td>
+        <td style="{{event-time-css}}" class="w-annc__host">{{recruitment_date-head}}{{event-time-formated}}</td>
         <td class="w-annc__subtitle">{{subtitle}}</td>
         <td style="{{notes-css}}" class="w-annc__notes">{{notes-head}}{{notes}}</td>
       </tr>
@@ -21,4 +21,4 @@
   <div class="w-annc__more-wrap clearfix">
     <a class="w-annc__more btn btn-primary pull-right" href="{{more_url}}"><%= t("recruitment.more") %></a>
   </div>
-</div>
\ No newline at end of file
+</div>
diff --git a/modules/recruitment_mod/recruitment_index18.html.erb b/modules/recruitment_mod/recruitment_index18.html.erb
index e03c805..68b079e 100644
--- a/modules/recruitment_mod/recruitment_index18.html.erb
+++ b/modules/recruitment_mod/recruitment_index18.html.erb
@@ -3,7 +3,7 @@
   <table class="i-annc__table  table  table-striped">
     <thead>
       <tr>
-        <th class="i-annc__th  i-annc__th--event_date">{{event_date-head}}</th>
+        <th class="i-annc__th  i-annc__th--event_date">{{recruitment_date-head}}</th>
         <th class="i-annc__th  i-annc__th--title">{{title-head}}</th>
         <th class="i-annc__th  i-annc__th--notes">{{notes-head}}</th>
       </tr>
diff --git a/modules/recruitment_mod/recruitment_index19.html.erb b/modules/recruitment_mod/recruitment_index19.html.erb
index 88a0e52..5ee429e 100644
--- a/modules/recruitment_mod/recruitment_index19.html.erb
+++ b/modules/recruitment_mod/recruitment_index19.html.erb
@@ -4,7 +4,7 @@
     <thead>
       <tr>
         <th class="i-annc__th  i-annc__th--category">{{category-head}}</th>
-        <th class="i-annc__th  i-annc__th--event_date">{{event_date-head}}</th>
+        <th class="i-annc__th  i-annc__th--event_date">{{recruitment_date-head}}</th>
         <th class="i-annc__th  i-annc__th--title">{{title-head}}</th>
         <th class="i-annc__th  i-annc__th--view-count">{{view-count-head}}</th>
       </tr>
diff --git a/modules/recruitment_mod/show.html.erb b/modules/recruitment_mod/show.html.erb
index 2ab841f..4a1770f 100644
--- a/modules/recruitment_mod/show.html.erb
+++ b/modules/recruitment_mod/show.html.erb
@@ -4,7 +4,7 @@
   <ul class="s-annc__meta-wrap list-unstyled no-print">
     <li class="s-annc__date-wrap s-annc__meta--item">
       <span style="display: inline-block;{{event-time-css}}">
-        <span>{{event_date-head}}:</span>
+        <span>{{recruitment_date-head}}:</span>
         <span class="s-annc__date" date-format="%Y-%m-%d">{{updated_at}}</span>
       </span>
     </li>
@@ -75,4 +75,4 @@
     </li>
   </ul>
 </article>
-{{link_to_edit}}
\ No newline at end of file
+{{link_to_edit}}
diff --git a/modules/recruitment_mod/show2.html.erb b/modules/recruitment_mod/show2.html.erb
index 67d80b2..83499e8 100644
--- a/modules/recruitment_mod/show2.html.erb
+++ b/modules/recruitment_mod/show2.html.erb
@@ -10,7 +10,7 @@
     </li>
     <li class="s-annc__date-wrap s-annc__meta--item">
       <span style="display: inline-block;{{event-time-css}}">
-        <span>{{event_date-head}}</span>
+        <span>{{recruitment_date-head}}</span>
         <span class="s-annc__date" date-format="%Y-%m-%d">{{updated_at}}</span>
       </span>
     </li>