DanDan/
  |---admin/
       |---controllers/     admin controlles
       |---models/          admin models
       |---views/           admin view files
       |---Module.php       admin module defined file
  |---assets/             	contains assets definition
       |---InstallAsset.php   Install module asset
       |---DefaultAsset.php   Default theme asset
  |---common/             	some common file
       |---widgets/         common widgets
  |---compoments/           some event handler
  |---config/             	contains application configurations
  |---controllers/        	Front Web controller classes
  |---message/            	language package
       |---zh-CN            zh-CN language
  |---models/             	contains model classes
  |---runtime/            	contains files generated during runtime
  |---themes/              sample theme in cms
  |---vendor/             	contains dependent 3rd-party packages
  |---views/              	contains view files for the Web application
  |---web/                	contains the entry script and Web resources