diff --git a/app/models/competition_module.rb b/app/models/competition_module.rb
index d520baef6..448983abe 100644
--- a/app/models/competition_module.rb
+++ b/app/models/competition_module.rb
@@ -3,22 +3,18 @@ class CompetitionModule < ApplicationRecord
 
   belongs_to :competition
 
-  has_one :competition_module_md_content, dependent: :destroy
+  has_many :competition_module_md_contents, dependent: :destroy
 
   def module_url
-    case module_type
-    when "home"
-      "/competitions/#{competition.identifier}.json"
-    when "inform"
-      "/competitions/#{competition.identifier}/informs.json?status=1"
-    when "manual"
-      "/competitions/#{competition.identifier}/informs.json?status=2"
-    when "chart"
-      "/competitions/#{competition.identifier}/charts.json"
-    when "enroll"
-      "/competitions/#{competition.identifier}/competition_teams.json"
-    else
-      url || "/competitions/#{competition.identifier}/md_content.json?md_content_id=#{competition_module_md_content&.id}"
-    end
+    result_url = url.present? ? url : case module_type
+                                      when "home"
+                                        "/competitions/#{competition.identifier}.json"
+                                      when "chart"
+                                        "/competitions/#{competition.identifier}/charts.json"
+                                      when "enroll"
+                                        "/competitions/#{competition.identifier}/competition_teams.json"
+                                      else
+                                        "/competitions/#{competition.identifier}/competition_modules/#{id}.json"
+                                      end
   end
 end
diff --git a/app/views/competitions/competition_modules/show.json.jbuilder b/app/views/competitions/competition_modules/show.json.jbuilder
index 69cdcc544..ba2d79804 100644
--- a/app/views/competitions/competition_modules/show.json.jbuilder
+++ b/app/views/competitions/competition_modules/show.json.jbuilder
@@ -1,7 +1,7 @@
-json.extract! @module, :id, :name, :position, :url, :md_edit
+json.extract! @module, :id, :name, :position, :url
 
-md = @module.competition_module_md_content
-if md.present?
+mds = @module.competition_module_md_contents
+json.md_contents mds.each do |md|
   json.md_name md.name
   json.md_content md.content
   json.created_at md.created_at.strftime('%Y-%m-%d %H:%M:%S')
diff --git a/db/migrate/20191024083706_migrate_competition_module_content.rb b/db/migrate/20191024083706_migrate_competition_module_content.rb
new file mode 100644
index 000000000..72d023a38
--- /dev/null
+++ b/db/migrate/20191024083706_migrate_competition_module_content.rb
@@ -0,0 +1,17 @@
+class MigrateCompetitionModuleContent < ActiveRecord::Migration[5.2]
+  def change
+    Competition.all.each do |competition|
+      competition.informs.each do |inform|
+        if inform.status == 1
+          com_module = competition.competition_modules.find_by(module_type: "inform")
+        elsif inform.status == 2
+          com_module = competition.competition_modules.find_by(name: "参赛手册")
+        end
+        if com_module
+          new_md = CompetitionModuleMdContent.create!(competition_module_id: com_module.id, content: inform.description, name: inform.name)
+          Attachment.where(container_id: inform.id, container_type: "Inform").update_all(container_id: new_md.id, container_type: "CompetitionModuleMdContent")
+        end
+      end
+    end
+  end
+end