modify note.type to note.category

app/controllers/missions_controller.rb

@@ -77,7 +77,7 @@ class MissionsController < ApplicationController
         note = Note.new
         note.project_id = pid
         note.user_id = uid
-        note.type = 3
+        note.category = 3
         note.content = "任务信息发生了变化"
         note.save!
     end

app/controllers/notes_controller.rb

@@ -17,7 +17,7 @@ class NotesController < ApplicationController
         note[:date] += [{
             :content => i.content,
             :time => i.created_at.to_time,
-            :type => i.type
+            :type => i.category
         }]
     end
     data = []

app/controllers/projects_controller.rb

@@ -55,7 +55,7 @@ class ProjectsController < ApplicationController
     note = Note.new
     note.user_id = uid
     note.project_id = pid
-    note.type = 2
+    note.category = 2
     note.content = User.find(uid).name + "邀请您进入项目" +
         Project.find(pid).name
     note.save!

app/controllers/shares_controller.rb

@@ -19,7 +19,7 @@ class SharesController < ApplicationController
         note = Note.new
         note.user_id = tuid
         note.project_id = pid
-        note.type = 1
+        note.category = 1
         note.content = content
         note.save!
     end