diff --git a/app/api/mobile/entities/news.rb b/app/api/mobile/entities/news.rb
index f189771e3..7399ebb4c 100644
--- a/app/api/mobile/entities/news.rb
+++ b/app/api/mobile/entities/news.rb
@@ -26,13 +26,15 @@ module Mobile
       news_expose :title
 
       expose :author,using: Mobile::Entities::User do |f, opt|
-        n = f[:news]
-        n.author if n.respond_to?(:author)
+        n = f[:author]
+        #n.author if n.respond_to?(:author)
       end
       #作者id
       news_expose :author_id
       #作者名
       news_expose :author_name
+      #作者头像url
+      news_expose :author_img_url
       #新闻内容
       news_expose :description
       #发布时间
diff --git a/app/services/courses_service.rb b/app/services/courses_service.rb
index 29c4fb1b0..f5ff2670f 100644
--- a/app/services/courses_service.rb
+++ b/app/services/courses_service.rb
@@ -123,7 +123,7 @@ class CoursesService
     scope = @course ? @course.news.course_visible(current_user) : News.course_visible(current_user)
     news = []
     scope.each do |n|
-      news << {:id => n.id,:title => n.title,:author_name => n.author.name,:author_id => n.author.id, :description => n.description,:created_on => format_time(n.created_on),:comments_count => n.comments_count}
+      news << {:id => n.id,:title => n.title,:author_name => n.author.name,:author_id => n.author.id, :author=>n.author, :description => n.description,:created_on => format_time(n.created_on),:comments_count => n.comments_count}
     end
     news
   end