Recently Packtool(an App create by electron) added autoupdate feature ，The premise is You have to sign your app。 There was something wrong with the android group today😂。 The problem was caused by using zipalign(a tool for optimizing the apk) which integration in Packtool optimized the apk. Error: dyld: Library not loaded: @rpath/libc++.dylib Referenced from: myAppName.app/Contents/Resources/tool/mac/zipalign Reason: image not