1、add file recycle bin support for data recovery.
2、provides recovery when deleting file images, deleting photos, updating image source files, and deleting albums.
3、backup sql file when deleting album.
4、reorganize the message push service.
5、fixed send email error.

(1) video module
1、add video service.
2、add an event mechanism to each module.
3、add album_video_plugin for showing video in album.
>
(2) controller
1、add a base controller
2、modify the model keyword 'mode' to 'model'.
>
(3) site module
1、modify the notice page url address.
2、add a generic site notice page.
3、fixed notices page highlight.js path error.
4、modify new html footer.
5、reformat jsp code.
6、replace tab to four space in jsp.
>
(4) album module
1、add a hidden photo switch arrow
2、add ignore jsp space config in web.xml
3、fixed url is incorrect when loading full data in album_photo_dashboard.
>
(5)search box
1、add search box gets the focus when typing 's' or 'f'.

(1) site front-end
1、modify font-family in style.css
2、replace new site background-image.
3、add local config and config setting Visual view for modules.
4、make the url address to match the title in some page.
>
(2) site backend
1、add query ip location interface.
2、optimize functions for recycling waste.
3、modify the implementation of file expiration time.
4、modify the common-lang library from 2.5 to 2.6.
5、fixed sql injection bug
6、enhance user data security.
7、optimize cache data accuracy.
>
(3) article module
1、fixed article update bug by manager.
2、modify top article area for showing create_time, not update_time.
>
(4) album module
1、add mount photo to another album support
2、add a video button to the album page.
3、modify set a more precise css height to the referenced video.
>
(5) search module
1、optimize the display when an error occurs in the search.
2、add switch for search hot key in rewriteSearch.
3、add special char support for jquery selector.

(1) video module
1、add new popup way to play video.
2、add a play flag in photos there're the cover of video.
3、add new control block view for video popup modal.
4、add control auto hide after mouse does not move for a while.
5、front end add update video modal.
6、move album page css to style.css.
>
(2) article module
1、add article archives page.
2、add article tags page.
3、optimize toolbar's navigation column.

(1) site module
1、add js/css refresh args config support - "ServerConfig.xml#site_cdn_addr_args".
2、add support server push config to users - "ServerConfig.xml#site_client_config".
3、replace "px" to "em" to define the size of the element so that the display size is the same at different pix.
4、modify page allow user zoom.
5、add gzip compression annotation and add to some special requests.
6、optimize the api for getting the rank list in the Cache.
7、add md5 tool in FileUtil.
8、modify help article id config func.
9、add new query ip location callback.
10、enhanced verification code verification security.
>
(2) file module
1、optimize the code structure in file service.
2、add remote file system interface.
2、add remote file system implement base aliyun oss - "ServerConfig.xml#remote_oss_config_location, oss.properties".
3、add a my cloud share token page for aliyun oss.
4、upgrade file name old style to new style.
    set "true" for "site_allow_run_upgrade" in ServerConfig.xml,
    then run "http://hostname/manager.do?method=upgradeNewFileNameStyle" to upgrade.
>
(3) album module
1、add photo preview compress setting - "ServerConfig.xml#cloud_photo_preview_args".
2、add album tags support users with special setting for each tag.
3、increased display column count in album pages for better support for retina screen.
4、add "the displayed image pixel is different" under different column numbers.

(1) site back-end
1、modify IRequest as service input、IResponse as service result.
2、move all ajax request to alone api controller.
3、use new id generator：SnowflakeIdWorker.
4、use new primary key style, the front end uses a short id, the back end uses a long id, and automatically converts.
5、update old primary key style to new.
6、modify url to RESTFul style.
7、add auto convert annotation: URLPrefixFill(file path auto fill with cdn full address)、GeneralConvert、PrimaryKeyConvert.
8、add access interceptor to automatically record access to user creations.
9、unified exclusion filter with ExcludedFilter.
>
（2）site front-end
1、reorganize css of modal and profilecenter and so forth.
2、reorganize css and js of edit page.
3、show a default img when img load error.
>
（3）user module
1、user's feed flow according to user's followings and the allow user groups by manager.
2、add history page for showing user's visited and liked creations.
>
（4）album module:
1、support define topic for photos.
2、support comment for tags and topic.
3、support like photo for user.
4、support more permission type.
5、add users's photo-tag-wrapper manager page.
6、support set auto mount by tagWrapper.name or photo.tags for album.
>
（5）video module
1、add upload mp3 file support.
2、support upload subtitle for video.
3、support topic comment for video.
4、support like video for user.
5、support more permission type.
6、add video player rotate、flip、loop control btn.
7、video iframe web fullscreen and auto setting by iframe attr.
>
（6）message service
1、support notify history unread message when user login.
2、support upload image in comment and letter.
3、support like comment.