diff --git a/app/api/mobile/api.rb b/app/api/mobile/api.rb
index 690828b84..8f79d977c 100644
--- a/app/api/mobile/api.rb
+++ b/app/api/mobile/api.rb
@@ -10,6 +10,10 @@ module Mobile
   require_relative 'apis/issues'
   require_relative 'apis/activities'
   require_relative 'apis/whomeworks'
+  require_relative 'apis/newss'
+  require_relative 'apis/journal_for_messages'
+  require_relative 'apis/messages'
+  require_relative 'apis/blog_comments'
 
   class API < Grape::API
     version 'v1', using: :path
@@ -46,6 +50,10 @@ module Mobile
     mount Apis::Issues
     mount Apis::Activities
     mount Apis::Whomeworks
+    mount Apis::Newss
+    mount Apis::JournalForMessages
+    mount Apis::Messages
+    mount Apis::BlogComments
 
     #add_swagger_documentation ({api_version: 'v1', base_path: 'http://u06.shellinfo.cn/trustie/api'})
     #add_swagger_documentation ({api_version: 'v1', base_path: '/api'})  if Rails.env.development?
diff --git a/app/api/mobile/apis/blog_comments.rb b/app/api/mobile/apis/blog_comments.rb
new file mode 100644
index 000000000..3334b2bf8
--- /dev/null
+++ b/app/api/mobile/apis/blog_comments.rb
@@ -0,0 +1,17 @@
+#coding=utf-8
+
+module Mobile
+  module Apis
+    class BlogComments< Grape::API
+      resources :blog_comments do
+
+        desc "get special topic"
+        get ':id' do
+          blog = BlogComment.find params[:id]
+          present :blog, message, with: Mobile::Entities::BlogComment
+          present :status, 0
+        end
+      end
+    end
+  end
+end
diff --git a/app/api/mobile/apis/issues.rb b/app/api/mobile/apis/issues.rb
index 23d8b955f..7d5640d3b 100644
--- a/app/api/mobile/apis/issues.rb
+++ b/app/api/mobile/apis/issues.rb
@@ -7,7 +7,7 @@ module Mobile
 
         desc "get special issuse"
         get ':id' do
-          issue = Issue.where("project_id = ?", params[:id])
+          issue = Issue.find params[:id]
           present :data, issue, with: Mobile::Entities::Issue
           present :status, 0
         end
diff --git a/app/api/mobile/apis/journal_for_messages.rb b/app/api/mobile/apis/journal_for_messages.rb
new file mode 100644
index 000000000..ac9787d51
--- /dev/null
+++ b/app/api/mobile/apis/journal_for_messages.rb
@@ -0,0 +1,17 @@
+#coding=utf-8
+
+module Mobile
+  module Apis
+    class JournalForMessages< Grape::API
+      resources :journal_for_messages do
+
+        desc "get special journal"
+        get ':id' do
+          jour = JournalsForMessage.find params[:id]
+          present :data, jour, with: Mobile::Entities::Jours
+          present :status, 0
+        end
+      end
+    end
+  end
+end
diff --git a/app/api/mobile/apis/messages.rb b/app/api/mobile/apis/messages.rb
new file mode 100644
index 000000000..c1c403a50
--- /dev/null
+++ b/app/api/mobile/apis/messages.rb
@@ -0,0 +1,17 @@
+#coding=utf-8
+
+module Mobile
+  module Apis
+    class Messages< Grape::API
+      resources :messages do
+
+        desc "get special topic"
+        get ':id' do
+          message = Message.find params[:id]
+          present :data, message, with: Mobile::Entities::Message
+          present :status, 0
+        end
+      end
+    end
+  end
+end
diff --git a/app/api/mobile/apis/newss.rb b/app/api/mobile/apis/newss.rb
new file mode 100644
index 000000000..52b77fb88
--- /dev/null
+++ b/app/api/mobile/apis/newss.rb
@@ -0,0 +1,17 @@
+#coding=utf-8
+
+module Mobile
+  module Apis
+    class Newss< Grape::API
+      resources :newss do
+
+        desc "get special news"
+        get ':id' do
+          news = News.find params[:id]
+          present :data, news, with: Mobile::Entities::News
+          present :status, 0
+        end
+      end
+    end
+  end
+end
diff --git a/app/api/mobile/entities/activity.rb b/app/api/mobile/entities/activity.rb
index 0c2cf68f2..c47f396e2 100644
--- a/app/api/mobile/entities/activity.rb
+++ b/app/api/mobile/entities/activity.rb
@@ -29,14 +29,32 @@ module Mobile
                   elsif ac.act_type == "Issue"
                     ac.nil? || ac.act.nil? ? 0 : ac.act.journals.count
                   end
+                when :subject
+                  if ac.act_type == "HomeworkCommon"
+                    ac.act.name unless ac.nil? || ac.act.nil?
+                  elsif ac.act_type == "News" || ac.act_type == "BlogComment"
+                    ac.act.title unless ac.nil? || ac.act.nil?
+                  elsif ac.act_type == "Message" || ac.act_type == "Issue"
+                    ac.act.subject unless ac.nil? || ac.act.nil?
+                  elsif ac.act_type == "JournalsForMessage"
+                    ac.act.private == 0 ? "留言" : "私信"
+                  end
+                when :description
+                  if ac.act_type == "HomeworkCommon" || ac.act_type == "Issue" || ac.act_type == "News"
+                    ac.act.description unless ac.nil? || ac.act.nil?
+                  elsif ac.act_type == "Message" || ac.act_type == "BlogComment"
+                    ac.act.content unless ac.nil? || ac.act.nil?
+                  end
+                when :latest_update
+                  time_from_now ac.updated_at unless ac.nil?
                 when :activity_praise_count
                   if ac.act_type == "HomeworkCommon" || ac.act_type == "News" || ac.act_type == "Message" || ac.act_type == "BlogComment" || ac.act_type == "JournalsForMessage" || ac.act_type == "Issue"
                     ac.nil? || ac.act.nil? ? 0 : get_activity_praise_num(ac.act)
                   end
-                when :homework_common_detail_manual
-                   if ac.act_type == "HomeworkCommon"
-                     ac.act.homework_detail_manual unless ac.nil? || ac.act.nil? || ac.act.homework_detail_manual.nil?
-                   end
+                #when :homework_common_detail_manual
+                #   if ac.act_type == "HomeworkCommon"
+                #     ac.act.homework_detail_manual unless ac.nil? || ac.act.nil? || ac.act.homework_detail_manual.nil?
+                #   end
                 when :course_project_name
                   if ac.container_type == "Course"
                     name = (get_course(ac.container_id)).name
@@ -91,10 +109,22 @@ module Mobile
           end
         end
       end
-      act_expose :homework_common_detail_manual    #作业相关信息
+      expose :homework_common_detail , using: Mobile::Entities::Whomework do |a, opt|  #作业相关信息
+        if a.act_type == "HomeworkCommon"
+          a.act
+        end
+      end
+      expose :issue_detail, using: Mobile::Entities::Issue do |a, opt| #缺陷信息
+        if a.act_type == "Issue"
+          a.act
+        end
+      end
       act_expose :reply_count    #回复数
       act_expose :activity_praise_count   #点赞数
-      act_expose :user_act     #某个动态
+      #act_expose :user_act     #某个动态
+      act_expose :subject      #标题
+      act_expose :description  #描述
+      act_expose :latest_update #最新更新时间
       act_expose :course_project_name    #课程/项目名字
       act_expose :activity_type_name     #课程问答区/项目缺陷等
     end
diff --git a/app/api/mobile/entities/blog_comment.rb b/app/api/mobile/entities/blog_comment.rb
new file mode 100644
index 000000000..8f387eafa
--- /dev/null
+++ b/app/api/mobile/entities/blog_comment.rb
@@ -0,0 +1,46 @@
+module Mobile
+  module Entities
+    class BlogComment < Grape::Entity
+      include ApplicationHelper
+      include ApiHelper
+      def self.blog_comment_expose(f)
+        expose f do |u,opt|
+          if u.is_a?(Hash) && u.key?(f)
+            u[f]
+          elsif u.is_a?(::BlogComment)
+            if u.respond_to?(f)
+              if f == :created_at
+                format_time( u.send(f))
+              else
+                u.send(f)
+              end
+            else
+              # case f
+              #   when :xx
+              #    #
+              # end
+            end
+          end
+
+        end
+      end
+
+      expose :user, using: Mobile::Entities::User do |c, opt|
+        if c.is_a?(::BlogComment)
+          c.author
+        end
+      end
+      blog_comment_expose :blog_id
+      blog_comment_expose :title
+      blog_comment_expose :content
+      blog_comment_expose :comments_count
+      blog_comment_expose :created_at
+      blog_comment_expose :id
+      expose :blog_comment_children, using:Mobile::Entities::BlogComment do |c,opt|
+        if c.is_a? (::BlogComment)
+          c.children
+        end
+      end
+    end
+  end
+end
\ No newline at end of file
diff --git a/app/api/mobile/entities/issue.rb b/app/api/mobile/entities/issue.rb
index 7931f5b41..5945bdede 100644
--- a/app/api/mobile/entities/issue.rb
+++ b/app/api/mobile/entities/issue.rb
@@ -4,7 +4,24 @@ module Mobile
       include ApiHelper
       include Redmine::I18n
       def self.issue_expose(f)
-        f
+        expose f do |issue, opt|
+          if issue.is_a?(Hash) && issue.key?(f)
+            issue[f]
+          elsif issue.is_a?(::Issue)
+            if issue.respond_to?(f)
+              issue.send(f)
+            else
+              case f
+                when :issue_priority
+                  get_issue_priority_api issue.priority_id
+                when :issue_assigned_to
+                  (get_user(issue.assigned_to_id)).login
+                when :issue_status
+                  IssueStatus.find(issue.status_id).name
+              end
+            end
+          end
+        end
       end
       expose :subject
       expose :description
@@ -13,7 +30,6 @@ module Mobile
       issue_expose :issue_priority
       issue_expose :issue_assigned_to
       issue_expose :issue_status
-      issue_expose :issue_status
     end
   end
 end
\ No newline at end of file
diff --git a/app/api/mobile/entities/whomework.rb b/app/api/mobile/entities/whomework.rb
index 7743b236f..db3b49a6b 100644
--- a/app/api/mobile/entities/whomework.rb
+++ b/app/api/mobile/entities/whomework.rb
@@ -55,8 +55,11 @@ module Mobile
       whomework_expose :evaluation_end
       whomework_expose :whomework_praise_count
       whomework_expose :whomework_journal_count
-      expose :jours, using: Mobile::Entities::Jours  do |f, opt|
-        f[:jour] if f.is_a?(Hash) && f.key?(:jour)
+      expose :journals_for_messages, using: Mobile::Entities::Jours  do |f, opt|
+        #f[:journals_for_messages] if f.is_a?(Hash) && f.key?(:journals_for_messages)
+        if f.is_a?(::HomeworkCommon)
+          f.journals_for_messages
+        end
       end
     end
   end
diff --git a/app/helpers/api_helper.rb b/app/helpers/api_helper.rb
index fd0157b67..93a914708 100644
--- a/app/helpers/api_helper.rb
+++ b/app/helpers/api_helper.rb
@@ -240,4 +240,21 @@ module ApiHelper
       return 0
     end
   end
+
+  #获取缺陷的优先级
+  def get_issue_priority_api value
+    issuetype = ""
+    if value == 4
+      issuetype = "紧急"
+    elsif value == 2
+      issuetype = "正常"
+    elsif value == 3
+      issuetype = "高"
+    elsif value == 1
+      issuetype = "低"
+    else
+      issuetype = "立刻"
+    end
+  end
+
 end
\ No newline at end of file