diff --git a/app/api/mobile/apis/comments.rb b/app/api/mobile/apis/comments.rb
index fb30f59f4..3f252070f 100644
--- a/app/api/mobile/apis/comments.rb
+++ b/app/api/mobile/apis/comments.rb
@@ -22,22 +22,41 @@ module Mobile
         desc '作业留言（教师布置的作业）'
         params do
           requires :token, type: String
-          requires :id, type: Integer,desc: '老师布置的作业id'
           requires :message,type: String, desc: '留言'
-          optional :reference_content, type: String ,desc: '引用的内容'
-          optional :reference_user_id, type: Integer,desc: '被引用的人'
+          #optional :reference_content, type: String ,desc: '引用的内容'
+          #optional :reference_user_id, type: Integer,desc: '被引用的人'
         end
-        post 'create_homework_message' do
+        post ':id/create_homework_message' do
           cs_params = {
               id: params[:id],
               token: params[:token],
               reference_content: params[:reference_content],
               bid_message: params.reject{|k,v| [:id,:token,:reference_content].include?(k)}}
           cs = CommentService.new
-          cs.homework_message cs_params,current_user
+          message = cs.homework_message cs_params,current_user
+          present :data, message, with: Mobile::Entities::Jours
           present :status, 0
         end
 
+        desc '回复留言'
+        params do
+          requires :token, type: String
+          requires :reference_id, type: Integer,desc: '所属留言树的根留言id（最顶层的非回复的留言,留言对象中的m_parent_id）'
+          requires :reference_user_id,type: Integer ,desc: '被回复的留言的作者id'
+          #requires :reference_message_id,type: Integer,desc: '被回复的留言的id'
+          requires :user_notes,type: String,desc: '留言的内容'
+          requires :jour_type,type: String,desc: '等于父留言的jour_type'
+          requires :jour_id,type:Integer, desc: '等于父留言的jour_id'
+        end
+        post ':reference_message_id/create_reply'do
+          cs = CommentService.new
+          message = cs.create_reply params,current_user
+          raise "create reply failed #{message.errors.full_messages}" if message.new_record?
+          present :data, message, with: Mobile::Entities::Jours
+          present :status, 0
+        end
+
+
       end
     end
   end
diff --git a/app/api/mobile/entities/jours.rb b/app/api/mobile/entities/jours.rb
index 5a9f48cbc..10fd0f893 100644
--- a/app/api/mobile/entities/jours.rb
+++ b/app/api/mobile/entities/jours.rb
@@ -18,12 +18,15 @@ module Mobile
         end
       end
       jours_expose :id
+      jours_expose :jour_type
+      jours_expose :jour_id
       expose :user,using: Mobile::Entities::User do |f, opt|
         f.user
       end
       jours_expose :created_on
       jours_expose :notes
       jours_expose :m_reply_id
+      jours_expose :m_parent_id
       expose :reply_user,using: Mobile::Entities::User do |f, opt|
         f.at_user
       end
diff --git a/app/models/bid.rb b/app/models/bid.rb
index f423266b8..eb7e5d83f 100644
--- a/app/models/bid.rb
+++ b/app/models/bid.rb
@@ -93,7 +93,9 @@ class Bid < ActiveRecord::Base
   # 'deadline'
   def add_jour(user, notes, reference_user_id = 0, options = {})
     if options.count == 0
-      self.journals_for_messages << JournalsForMessage.new(:user_id => user.id, :notes => notes, :reply_id => reference_user_id)
+      jfm = JournalsForMessage.new(:user_id => user.id, :notes => notes, :reply_id => reference_user_id)
+      self.journals_for_messages << jfm
+      jfm
     else
       jfm = self.journals_for_messages.build(options)
       jfm.save
diff --git a/app/services/comment_service.rb b/app/services/comment_service.rb
index 84a7d09cf..5a5667a92 100644
--- a/app/services/comment_service.rb
+++ b/app/services/comment_service.rb
@@ -28,12 +28,48 @@ class CommentService
         @m = message
       end
       refer_user_id = params[:bid_message][:reference_user_id].to_i
-      @bid.add_jour(current_user, message, refer_user_id)
+      jfm = @bid.add_jour(current_user, message, refer_user_id)
     end
     #@user = @bid.author
     #@jours = @bid.journals_for_messages.where('m_parent_id IS NULL').order('created_on DESC')
     #@jour = paginateHelper @jours,10
     @bid.set_commit(@feedback_count)
+    jfm
+  end
+
+  #回复留言接口
+  def create_reply params,current_user
+    # 这里是创建回复所使用的方法，此方法只针对回复，每一个新的留言并不在此方法管理范围内。
+    # 由于多个地方用到了留言，而之前的表设计也有jour_type/jour_id这类信息
+    # 所以在方法 add_reply_adapter 中判断所有调用此方法的来源页面，
+    # 为了保证兼容以往所有的代码，保证以往的方法可以调用，在返回页面中都做了各式各样的判断。
+    # 页面保证 render new_respond/journal_reply
+    # 修改 add_reply_adapter 中可以确保留言创建成功
+    # 删除留言功能要调用destroy，也记得在destroy.js中修改
+
+    # deny api. api useless
+    parent_id = params[:reference_id]
+    author_id = current_user.id
+    reply_user_id = params[:reference_user_id]
+    reply_id = params[:reference_message_id] # 暂时不实现
+    content = params[:user_notes]
+    jour_type = params[:jour_type]
+    jour_id = params[:jour_id]
+    @show_name = params[:show_name] == "true"
+    options = {
+               :jour_id => jour_id,
+               :jour_type => jour_type,
+               :user_id => author_id,
+               :status => true,
+               :m_parent_id => parent_id,
+               :m_reply_id => reply_id,
+               :reply_id => reply_user_id,
+               :notes => content,
+               :is_readed => false}
+    @jfm = ::JournalsForMessage.new(options)
+    #@save_succ = true if @jfm.errors.empty?
+    @jfm.save
+    @jfm
   end
 
 end
\ No newline at end of file