Wayland + Plasma 5.16.1 error: no libinput :(

[zoujiaqing]

My shell wayland.sh:

mkdir /tmp/1000
export XDG_RUNTIME_DIR=/tmp/1000
export $(dbus-launch)
kwin_wayland --drm --libinput --xwayland startkde

Error:

./wayland.sh

QObject::connect(KWin::LibInput::Connection, QObject): invalid null parameter
QObject::connect(KWin::LibInput::Connection, QObject): invalid null parameter
no libinput :(