diff --git a/app/api/mobile/entities/attachment.rb b/app/api/mobile/entities/attachment.rb
index 8200c04b2..0eda2d1c0 100644
--- a/app/api/mobile/entities/attachment.rb
+++ b/app/api/mobile/entities/attachment.rb
@@ -23,6 +23,8 @@ module Mobile
                   (number_to_human_size(f.filesize)).gsub("ytes", "").to_s
                 when :coursename
                   f.course.nil? ? "" : f.course.name
+                when :syllabus_title
+                  f.course.nil? ? "" : f.course.syllabus.nil? ? "" : f.course.syllabus.title
                 when :course_id
                   f.course.nil? ? 0 : f.course.id
 
@@ -40,6 +42,7 @@ module Mobile
       attachment_expose :file_dir
       attachment_expose :attafile_size
       attachment_expose :coursename   #所属班级名
+      attachment_expose :syllabus_title   #所属班级名
       attachment_expose :course_id   #所属班级名
       expose :current_user_is_teacher, if: lambda { |instance, options| options[:user] } do |instance, options|
         current_user = options[:user]
diff --git a/app/api/mobile/entities/course.rb b/app/api/mobile/entities/course.rb
index 9bf1cc1f6..30a5a6cc9 100644
--- a/app/api/mobile/entities/course.rb
+++ b/app/api/mobile/entities/course.rb
@@ -19,8 +19,6 @@ module Mobile
             (format_time(c[field]) if (c.is_a?(Hash) && c.key?(field))) || (format_time(c.send(field)) if c.respond_to?(field))
           elsif field == :member_count
             ::Course===c ? c.members.count : 0
-          elsif field == :syllabus_title
-            c.syllabus.nil? ? "":c.syllabus.title
           else
             (c[field] if (c.is_a?(Hash) && c.key?(field))) || (c.send(field) if c.respond_to?(field))
           end
@@ -40,7 +38,6 @@ module Mobile
       course_expose :lft
       course_expose :location
       course_expose :name
-      course_expose :syllabus_title
       course_expose :open_student
       # course_expose :password
       course_expose :rgt
diff --git a/app/api/mobile/entities/exercise.rb b/app/api/mobile/entities/exercise.rb
index ce6a2fb39..821380b47 100644
--- a/app/api/mobile/entities/exercise.rb
+++ b/app/api/mobile/entities/exercise.rb
@@ -19,6 +19,8 @@ module Mobile
               case field
                 when :coursename
                   f.course.nil? ? "" : f.course.name
+                when :syllabus_title
+                  f.course.nil? ? "" : f.course.syllabus.nil? ? "" : f.course.syllabus.title
               end
             end
           end
@@ -27,6 +29,7 @@ module Mobile
       expose :exercise_name
       expose :exercise_description
       exercise_expose :coursename #所属班级名
+      exercise_expose :syllabus_title
 
       expose :current_user_is_teacher, if: lambda { |instance, options| options[:user] } do |instance, options|
         current_user = options[:user]
diff --git a/app/api/mobile/entities/homework.rb b/app/api/mobile/entities/homework.rb
index a5b981c6d..d149681e4 100644
--- a/app/api/mobile/entities/homework.rb
+++ b/app/api/mobile/entities/homework.rb
@@ -39,6 +39,8 @@ module Mobile
                     val
                   when :coursename
                     f.course.nil? ? "" : f.course.name
+                  when :syllabus_title
+                    f.course.nil? ? "" : f.course.syllabus.nil? ? "" : f.course.syllabus.title
                 end
             end
           end
@@ -49,6 +51,8 @@ module Mobile
       #课程名称
       homework_expose :course_name
 
+      homework_expose :syllabus_title
+
       homework_expose :course_id
       #作业发布者
       expose :author,using: Mobile::Entities::User  do |f, opt|
diff --git a/app/api/mobile/entities/message.rb b/app/api/mobile/entities/message.rb
index 07c560a1f..189b52851 100644
--- a/app/api/mobile/entities/message.rb
+++ b/app/api/mobile/entities/message.rb
@@ -22,6 +22,10 @@ module Mobile
                   else
                     u.project.name
                   end
+                when :syllabus_title
+                  if u.board.project_id == -1
+                    u.course.syllabus.nil? ? "" : u.course.syllabus.title
+                  end
                 when :lasted_comment
                   time_from_now u.created_on
                 when :praise_count
@@ -50,6 +54,7 @@ module Mobile
       message_expose :act_type
       message_expose :act_id
       message_expose :course_project_name
+      message_expose :syllabus_title
       message_expose :board_id
       message_expose :subject
       message_expose :title
diff --git a/app/api/mobile/entities/news.rb b/app/api/mobile/entities/news.rb
index d8c4dcab3..4515791cd 100644
--- a/app/api/mobile/entities/news.rb
+++ b/app/api/mobile/entities/news.rb
@@ -26,6 +26,11 @@ module Mobile
                   f.id
                 when :comment_count
                   f.comments.count
+                when :syllabus_title
+                  unless f.course_id == nil
+                    course = get_course(f.course_id)
+                    course.syllabus.nil? ? "" : course.syllabus.title
+                  end
               end
             end
           elsif f.is_a?(::Comment)
@@ -89,6 +94,7 @@ module Mobile
       news_expose :praise_count
       #课程名字
       news_expose :course_name
+      news_expose :syllabus_title
       news_expose :lasted_comment
 
       #评论
diff --git a/app/api/mobile/entities/whomework.rb b/app/api/mobile/entities/whomework.rb
index 9d141552a..b19d34f05 100644
--- a/app/api/mobile/entities/whomework.rb
+++ b/app/api/mobile/entities/whomework.rb
@@ -30,6 +30,8 @@ module Mobile
                   wh.journals_for_messages.count
                 when :course_name
                   wh.course.name
+                when :syllabus_title
+                  wh.course.syllabus.nil? ? "" : wh.course.syllabus.title
                 when :act_type
                   'HomeworkCommon'
                 when :act_id
@@ -65,6 +67,7 @@ module Mobile
       whomework_expose :act_type
       whomework_expose :act_id
       whomework_expose :course_name
+      whomework_expose :syllabus_title
       whomework_expose :created_at
       whomework_expose :absence_penalty
       whomework_expose :evaluation_start