How can I make sure my sepolicy rule has been injected?

[flyuuo9]

I add a elf process in init.rc,

1. call "sepolicy-inject -s init_shell -t system_data_file -c file -p append -l" ,it's se context is "init"
2. adb shell and call "seinfo -A -s init_shell -t system_data_file -c file -p append" it's se contex is "init_shell", it got no append allow rule I add with sepolicy-inject

which sepolicy could allow sepolicy-inject to inject a sepolicy rule?
the device is huawei HWTIT-AL00 5.1 emui3.1Lite