diff --git a/app/controllers/initialization_data_controller.rb b/app/controllers/initialization_data_controller.rb
index 7ed01ad8c..69e6b696b 100644
--- a/app/controllers/initialization_data_controller.rb
+++ b/app/controllers/initialization_data_controller.rb
@@ -107,22 +107,22 @@ class InitializationDataController < ApplicationController
 
   # 链接库
   def connect_to_origin_date database
-    ActiveRecord::Base.establish_connection(
-        adapter: "mysql2",
-        host: "rm-bp13v5020p7828r5r.mysql.rds.aliyuncs.com",
-        username: "testeducoder",
-        password: "TEST@123",
-        database: "#{database}",
-        encoding: "utf8"
-    )
     # ActiveRecord::Base.establish_connection(
     #     adapter: "mysql2",
-    #     host: "127.0.0.1",
-    #     username: "root",
-    #     password: "123456",
+    #     host: "rm-bp13v5020p7828r5r.mysql.rds.aliyuncs.com",
+    #     username: "testeducoder",
+    #     password: "TEST@123",
     #     database: "#{database}",
     #     encoding: "utf8"
     # )
+    ActiveRecord::Base.establish_connection(
+        adapter: "mysql2",
+        host: "127.0.0.1",
+        username: "root",
+        password: "123456",
+        database: "#{database}",
+        encoding: "utf8"
+    )
 
   end
 
@@ -402,10 +402,10 @@ class InitializationDataController < ApplicationController
     cloud_url course_second_category_id]
     Attachment.bulk_insert(*attachment_attrs) do |worker|
       @attachments.each do |att|
-        logger.info("########att_id: #{att.id}")
         base_attr = att.attributes.dup.except("author_id", "disk_directory", "copy_from")
         # 本地版将过关任务的图片迁移到files/localshixuns 目录下， copy_from记录的是他原来的目录结构
-        worker.add(base_attr.merge(author_id: 1, disk_directory: "localshixuns", copy_from: att.disk_directory))
+        logger.info("########att.disk_directory: #{att.disk_directory}")
+        worker.add(base_attr.merge(author_id: 1, disk_directory: "localshixuns", copy_from: "#{att.disk_directory}"))
       end
     end
   end
diff --git a/db/migrate/20190927030644_modify_copy_from_for_attachments.rb b/db/migrate/20190927030644_modify_copy_from_for_attachments.rb
new file mode 100644
index 000000000..c83faee13
--- /dev/null
+++ b/db/migrate/20190927030644_modify_copy_from_for_attachments.rb
@@ -0,0 +1,5 @@
+class ModifyCopyFromForAttachments < ActiveRecord::Migration[5.2]
+  def change
+    change_column :attachments, :copy_from, :string
+  end
+end