diff -Nura plymouth-0.9.5~git20210406.e554475/systemd-units/plymouth-start.service.in plymouth-0.9.5~git20210406.e554475_new/systemd-units/plymouth-start.service.in
--- plymouth-0.9.5~git20210406.e554475/systemd-units/plymouth-start.service.in	2021-04-06 19:53:40.000000000 +0800
+++ plymouth-0.9.5~git20210406.e554475_new/systemd-units/plymouth-start.service.in	2021-08-31 22:00:17.133637877 +0800
@@ -6,12 +6,11 @@
 Before=systemd-ask-password-plymouth.service
 ConditionKernelCommandLine=!plymouth.enable=0
 ConditionVirtualization=!container
-IgnoreOnIsolate=true
 
 [Service]
 ExecStart=@PLYMOUTH_DAEMON_DIR@/plymouthd --mode=boot --pid-file=@plymouthruntimedir@/pid --attach-to-session
 ExecStartPost=-@PLYMOUTH_CLIENT_DIR@/plymouth show-splash
 Type=forking
 RemainAfterExit=yes
-KillMode=mixed
+KillMode=none
 SendSIGKILL=no