diff --git a/app/controllers/admin/announcements_controller.rb b/app/controllers/admin/announcements_controller.rb
index fa0ec6c..d19c1b3 100644
--- a/app/controllers/admin/announcements_controller.rb
+++ b/app/controllers/admin/announcements_controller.rb
@@ -60,9 +60,11 @@ class Admin::AnnouncementsController < OrbitAdminController
     @table_fields = [:status, :category, :title, :start_date, :end_date, "announcement.comment", :last_modified]
     setting = AnnouncementSetting.first
     @annc_depts = []
+    @enable_annc_dept = false
     if (setting.enable_annc_dept rescue false)
       @table_fields.insert(1, "announcement.annc_dept")
       @annc_depts = setting.annc_depts
+      @enable_annc_dept = true
     end
     @current_user = current_user
     if setting.is_display_edit_only && !current_user.is_admin? && !current_user.is_manager?(@module_app)
diff --git a/app/views/admin/announcements/_index.html.erb b/app/views/admin/announcements/_index.html.erb
index 39536cf..0f684a2 100644
--- a/app/views/admin/announcements/_index.html.erb
+++ b/app/views/admin/announcements/_index.html.erb
@@ -16,9 +16,11 @@
         <td>
           <%= b.status_for_table %>
         </td>
+        <% if @enable_annc_dept %>
         <td>
           <%= b.annc_dept ? @annc_depts[b.annc_dept] : '' rescue "" %>
         </td>
+        <% end %>
         <td>
           <%= b.category.title rescue "" %>
           <% if (b.category.disable rescue false) %>