系统自动升级

1、通过将更新文件上传到soft_fileinfo表中，并且版本号version要大于历史所有版本号，上传时请用rar压缩文件

2、下载时先备份原有文件，如果中间有任何网络问题将恢复原有文件，下载后将比较文件大小与数据库中文件大小是否一致

3、解压缩文件

-1, through the update files uploaded to the soft fileinfo table, and the version number is greater than the version history of all the version number, please use the zip file upload rar

2, the first backup of the original file to download, if there is any problem with the network in the middle will restore the original file, download will compare the file size with the size of the　file is consistent

3. Unzip the file