修正执行数据迁移时的‘page_type=’ undefine错误

db/migrate/20140710071720_create_first_pages.rb

@@ -5,6 +5,7 @@ class CreateFirstPages < ActiveRecord::Migration
       t.string :web_title
       t.string :title
       t.string :description
+      t.string :page_type
 
       t.timestamps
     end
@@ -12,6 +13,8 @@ class CreateFirstPages < ActiveRecord::Migration
     fp.web_title = "Trustie - 为大学生技术创新筑巢"
     fp.title = "Trustie在线项目托管平台"
     fp.description = "面向中国大学生与软件从业者，提供社交化的项目管理、代码托管、资源共享、合作交流。"
+    fp.page_type = "project"
+
     fp.save
   end
 end

db/migrate/20140710095123_add_cloumn_to_first_page.rb

@@ -1,9 +1,9 @@
 class AddCloumnToFirstPage < ActiveRecord::Migration
   def change
-    add_column :first_pages,:type,:string
+    #add_column :first_pages,:type,:string
 
-    fr = FirstPage.all.first
-    fr.type = "project"
-    fr.save
+    #fr = FirstPage.all.first
+    #fr.type = "project"
+    #fr.save
   end
 end

db/migrate/20140711010124_alt_column_name.rb

@@ -1,5 +1,5 @@
 class AltColumnName < ActiveRecord::Migration
   def change
-    rename_column :first_pages,:type,:page_type
+    #rename_column :first_pages,:type,:page_type
   end
 end