After you have backed up the database and files, do the following.
1/Download the latest version of the program
Https://github.com/wuzhicms/wuzhicms/releases
2/Unzip the file:
Delete files that are not needed in red:
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3/Remember, before the pre-upgrade folders are copied, backed up. I'll use it later.
4/covering coreframe and WWW directories
5/Modify configuration file: www/configs/web_config.php, can be compared with the previous file
6/Modify Database file: www/configs/mysql_config.php, Ibid.
7/Modify Frame configuration: coreframe/configs/wz_config.php, Ibid.
8/Modified: coreframe/core.php
Change the version number to the previous old version number:
The current upgrade version is: 2.1.0 ~ 2.1.2 ~ 2.1.4 ~ 3.0.0 ~ 3.0.2 ~ 3.0.3 If it is not here, you can skip this version to the next version.
For example: My old version number is: 2.1.2
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9/Upload the upgrade/directory to the Web site root directory, such as: Www/upgrade
Then execute: http://mydomain/upgrade/10/then repeat the 8/9 steps, each upgrade can be.
2.x upgrade to 3.x the latest version of the method