1. A method, comprising: obtaining a plugin identifier; obtaining an app plugin installation package from a server, wherein the app plugin installation package is associated with the plugin identifier; installing the app plugin installation package, wherein the installing of the app plugin installation package comprises determining whether the app plugin installation package is compatible with a local operating system based at least in part on an interface identifier associated with the app plugin installation package, the interface identifier indicating a compatibility of the app plugin installation package with a compatible operating system; obtaining an app plugin lookup instruction associated with an app plugin; and determining the app plugin according to the app plugin lookup instruction, wherein the determining of the app plugin comprises determining an app identifier based at least in part on the app plugin lookup instruction, and using the app identifier to locate, from among locally installed app plugins, the app plugin associated with the plugin identifier that matches the app identifier, and wherein the app plugin implements a specific function of a corresponding app in response to the app plugin being invoked; and loading a path of the app plugin into an app configuration file after the app plugin is determined and before the app plugin is run.