diff --git a/db/migrate/20141030071656_add_data_for_school.rb b/db/migrate/20141030071656_add_data_for_school.rb
index 71b600b16..94db0ea19 100644
--- a/db/migrate/20141030071656_add_data_for_school.rb
+++ b/db/migrate/20141030071656_add_data_for_school.rb
@@ -1,26 +1,26 @@
-#encoding=UTF-8
-class AddDataForSchool < ActiveRecord::Migration
-  def up
-    sql = " Insert into schools (name, province, logo_link) values
-          ('香港大学','香港','/images/transparent.png'),
-          ('香港大学','香港','/images/transparent.png'),
-    ('香港中文大学','香港','/images/transparent.png'),
-    ('香港科技大学','香港','/images/transparent.png'),('香港理工大学','香港','/images/transparent.png'),
-    ('香港城市大学','香港','/images/transparent.png'),('香港浸会大学','香港','/images/transparent.png'),
-    ('香港教育学院','香港','/images/transparent.png'),('香港歌德学院','香港','/images/transparent.png'),
-    ('香港岭南大学','香港','/images/transparent.png'),('澳门大学','澳门','/images/transparent.png'),
-    ('澳门理工学院','澳门','/images/transparent.png'),('澳门科技大学','澳门','/images/transparent.png'),
-    ('澳门保安部队高等学校','澳门','/images/transparent.png'),('亚洲国际公开大学','澳门','/images/transparent.png'),
-    ('澳门旅游学院','澳门','/images/transparent.png'),('清华大学(新竹)','台湾','/images/transparent.png'),
-    ('台湾大学','台湾','/images/transparent.png'),('交通大学','台湾','/images/transparent.png'),
-    ('中央大学','台湾','/images/transparent.png'),('成功大学','台湾','/images/transparent.png'),
-    ('中山大学','台湾','/images/transparent.png'),('中原大学','台湾','/images/transparent.png'),
-    ('政治大学','台湾','/images/transparent.png'),('元智大学','台湾','/images/transparent.png'),
-    ('天主教辅仁大学','台湾','/images/transparent.png'),('台湾科技大学','台湾','/images/transparent.png'),
-    ('台湾师范大学','台湾','/images/transparent.png'),('台湾艺术大学','台湾','/images/transparent.png')"
-    execute(sql)
-  end
-
-  def down
-  end
-end
+#encoding=UTF-8
+class AddDataForSchool < ActiveRecord::Migration
+  def up
+    sql = " Insert into schools (name, province, logo_link) values
+          ('香港大学','香港','/images/transparent.png'),
+          ('香港大学','香港','/images/transparent.png'),
+    ('香港中文大学','香港','/images/transparent.png'),
+    ('香港科技大学','香港','/images/transparent.png'),('香港理工大学','香港','/images/transparent.png'),
+    ('香港城市大学','香港','/images/transparent.png'),('香港浸会大学','香港','/images/transparent.png'),
+    ('香港教育学院','香港','/images/transparent.png'),('香港歌德学院','香港','/images/transparent.png'),
+    ('香港岭南大学','香港','/images/transparent.png'),('澳门大学','澳门','/images/transparent.png'),
+    ('澳门理工学院','澳门','/images/transparent.png'),('澳门科技大学','澳门','/images/transparent.png'),
+    ('澳门保安部队高等学校','澳门','/images/transparent.png'),('亚洲国际公开大学','澳门','/images/transparent.png'),
+    ('澳门旅游学院','澳门','/images/transparent.png'),('清华大学(新竹)','台湾','/images/transparent.png'),
+    ('台湾大学','台湾','/images/transparent.png'),('交通大学','台湾','/images/transparent.png'),
+    ('中央大学','台湾','/images/transparent.png'),('成功大学','台湾','/images/transparent.png'),
+    ('中山大学','台湾','/images/transparent.png'),('中原大学','台湾','/images/transparent.png'),
+    ('政治大学','台湾','/images/transparent.png'),('元智大学','台湾','/images/transparent.png'),
+    ('天主教辅仁大学','台湾','/images/transparent.png'),('台湾科技大学','台湾','/images/transparent.png'),
+    ('台湾师范大学','台湾','/images/transparent.png'),('台湾艺术大学','台湾','/images/transparent.png')"
+    execute(sql)
+  end
+
+  def down
+  end
+end
diff --git a/db/migrate/20141031065238_change_data_for_courses.rb b/db/migrate/20141031065238_change_data_for_courses.rb
index f3ee0ab54..d23e0343e 100644
--- a/db/migrate/20141031065238_change_data_for_courses.rb
+++ b/db/migrate/20141031065238_change_data_for_courses.rb
@@ -1,10 +1,10 @@
-#encoding=UTF-8
-class ChangeDataForCourses < ActiveRecord::Migration
-  def up
-    sql = "UPDATE courses set school_id = 117 where id =58"
-    execute(sql)
-  end
-
-  def down
-  end
-end
+#encoding=UTF-8
+class ChangeDataForCourses < ActiveRecord::Migration
+  def up
+    sql = "UPDATE courses set school_id = 117 where id =58"
+    execute(sql)
+  end
+
+  def down
+  end
+end
diff --git a/db/migrate/20141031122331_change_school_id_for_school.rb b/db/migrate/20141031122331_change_school_id_for_school.rb
index e042bd48e..e779b1a5b 100644
--- a/db/migrate/20141031122331_change_school_id_for_school.rb
+++ b/db/migrate/20141031122331_change_school_id_for_school.rb
@@ -1,11 +1,11 @@
-#encoding=UTF-8
-class ChangeSchoolIdForSchool < ActiveRecord::Migration
-  def up
-    sql = "update courses, user_extensions set courses.school_id = user_extensions.school_id
-          where courses.tea_id = user_extensions.user_id"
-    execute(sql)
-  end
-
-  def down
-  end
-end
+#encoding=UTF-8
+class ChangeSchoolIdForSchool < ActiveRecord::Migration
+  def up
+    sql = "update courses, user_extensions set courses.school_id = user_extensions.school_id
+          where courses.tea_id = user_extensions.user_id"
+    execute(sql)
+  end
+
+  def down
+  end
+end