调整

db/migrate/20190517092730_add_description_to_edu_settings.rb

@@ -1,6 +1,6 @@
 class AddDescriptionToEduSettings < ActiveRecord::Migration[5.2]
   def change
-    add_column :edu_settings, :description, :string
+    # add_column :edu_settings, :description, :string
     add_index :edu_settings, :name, unique: :true
 
     ['tomcat_webssh', 'webssh_username', 'webssh_password', 'git_address_ip', 'git_address_domain', 'git_username',