课程搜索报错

app/views/courses/_course.html.erb

@@ -46,8 +46,8 @@
 
 <div class="information_for_course" >
 	<p class="stats">
-		<%= content_tag('span',  link_to("#{@course.homeworks.count}", homework_course_path(@course)), :class => "info") %>
-		<%= content_tag('span',  l(:label_x_task, :count => @course.homeworks.count)) %>
+		<%= content_tag('span',  link_to("#{@course.homework_commons.count}", homework_common_index_path(:course => @course.id)), :class => "info") %>
+		<%= content_tag('span',  l(:label_x_task, :count => @course.homework_commons.count)) %>
 	</p>
 	<p class="stats">
 		<% files_count = @course.attachments.count %>