# Eliminate iOS Signature Certificate Cache
Running on iOS The logic for building resource packages is as follows:
1, if the developer first clickrun, will appeariOS Signature managementPopup window, as follows:
2, if it is not the first configuration, the default is to build with the "last" configuration, and if the developer forgets what the "last" configuration is or needs to modify "last" configuration, you can go to thetoolbar - Clear cache - Clear signature cacheTo operate
3, the developer can choose to clearEliminate iOS Temporary signature cacheandEliminate iOS Certificate Signature Cache