android 7.0手动安装APK 显示 文件包冲突

Question

安装一个APK的时候 显示
应用未安装
该文件包与具有同一名称的现有文件包冲突
这是为啥，我系统都恢复过出厂设置了

Answer 1

这是系统log，哪位大佬知道怎么修改系统让这些app可以被安装上啊
PackageManager: com.android.internal.os.InstallerConnection$InstallerException: Failed to execute destroy_app_data [null, com.autoreboot.android, 0, 3, 0]: -2
PackageManager: Package couldn't be installed in /data/app/com.autoreboot.android-1
com.android.server.pm.PackageManagerException: Package com.autoreboot.android has no signatures that match those in shared user android.uid.system; ignoring!
at com.android.server.pm.PackageManagerService.verifySignaturesLP(PackageManagerService.java:7537)
at com.android.server.pm.PackageManagerService.scanPackageDirtyLI(PackageManagerService.java:8713)
at com.android.server.pm.PackageManagerService.scanPackageLI(PackageManagerService.java:8302)
at com.android.server.pm.PackageManagerService.scanPackageTracedLI(PackageManagerService.java:8279)
at com.android.server.pm.PackageManagerService.installNewPackageLIF(PackageManagerService.java:14572)
at com.android.server.pm.PackageManagerService.installPackageLI(PackageManagerService.java:15717)
at com.android.server.pm.PackageManagerService.installPackageTracedLI(PackageManagerService.java:15358)
at com.android.server.pm.PackageManagerService.-wrap25(PackageManagerService.java)
at com.android.server.pm.PackageManagerService$9.run(PackageManagerService.java:12762)
at android.os.Handler.handleCallback(Handler.java:836)
at android.os.Handler.dispatchMessage(Handler.java:103)
at android.os.Looper.loop(Looper.java:203)
at android.os.HandlerThread.run(HandlerThread.java:61)
at com.android.server.ServiceThread.run(ServiceThread.java:46)