failed to stop systemd unit

[boypt]

script error

info: Extract the Xray package to /tmp/tmp.1uvCTRGcxf and prepare it for installation.
Invalid unit name "●" escaped as "\xe2\x97\x8f" (maybe you should use systemd-escape?).
Failed to stop \xe2\x97\x8f.service: Unit \xe2\x97\x8f.service not loaded.
error: Stopping the Xray service failed.

verifying

# systemctl list-units | grep 'xray@'
● xray@cls.service                                                                                      loaded failed failed    Xray Service

# script failed
# systemctl list-units | grep 'xray@' | awk -F ' ' '{print $1}'
●

### this  --plain should be added
# systemctl list-units --plain | grep 'xray@' | awk -F ' ' '{print $1}'
xray@cls.service