diff --git a/app/helpers/announcements_helper.rb b/app/helpers/announcements_helper.rb
index 7002202..520efa0 100644
--- a/app/helpers/announcements_helper.rb
+++ b/app/helpers/announcements_helper.rb
@@ -193,7 +193,8 @@ module AnnouncementsHelper
     page_number = 1 if page_number == 0
     page_data_count = data_count || OrbitHelper.page_data_count.to_i
     feeds_anns = []
-    page = Page.where(url:params['url']).first
+    page = OrbitHelper.page rescue nil
+    page = Page.where(url:params['url']).first if page.nil?
     if @type == "show_widget"
       tags = @tags
       categories = @categories
diff --git a/modules/announcement/_annc_widget4.html.erb b/modules/announcement/_annc_widget4.html.erb
index 548fcbd..343d53b 100644
--- a/modules/announcement/_annc_widget4.html.erb
+++ b/modules/announcement/_annc_widget4.html.erb
@@ -78,7 +78,7 @@
 				for(var i=0;i< lilength -num ; i++)
 					$(v).find('ul.w-annc__list').eq(0).find("li.w-annc__item").eq(num).remove();
 		})
-		$('.widget-announcement-4 ul.w-annc__list >li').css('width','calc('+100/num+'% - '+20/16+'em)'); //20px=>li的margin
+		$('[data-subpart-id=\"{{subpart-id}}\"] ul.w-annc__list >li').css('width','calc('+100/num+'% - '+20/16+'em)'); //20px=>li的margin
 	};
 	$(window).resize(function(){
 		if($(window).width()>1024){