Method for generating update package of software

A method for generating an update package of software implemented by a version upgrade server, wherein each installation package of the software comprises multiple installation subpackages, and each of the multiple installation subpackages comprises multiple installation files;

• the method comprising:
• receiving, by the version upgrade server, an identifier and current version information of the software from a terminal device;
• determining, by the version upgrade server, an installation package corresponding to a latest version of the software according to the identifier, and determining an installation package corresponding to a current version of the software according to the current version information;
• obtaining, by the version upgrade server, first feature information and second feature information according to the installation package corresponding to the latest version of the software and the installation package corresponding to the current version of the software, wherein the first feature information corresponds to a first installation subpackage, the second feature information corresponds to a second installation subpackage, the first installation subpackage is an installation subpackage in an installation package of an upgraded software version of the software, and the second installation subpackage is an installation subpackage corresponding to the first installation subpackage in an installation package of a software version of the software before upgrading;
• and
• generating, by the version upgrade server, an update package for the software according to the first installation subpackage when the first feature information is different from the second feature information.