Could NOT find KF5Notifications

[idwwwoqq808]

I run "cmake .. -DCMAKE_INSTALL_PREFIX=/usr -DBUILD_KCM=on -DBUILD_PLASMOID=on" to build with cmake but it gives me the following errors:
`-- qmlplugindump failed for QtQuick.
-- Could NOT find QtQuick-QMLModule (missing: QtQuick-QMLModule_FOUND)
-- qmlplugindump failed for QtQuick.Controls.
-- Could NOT find QtQuick.Controls-QMLModule (missing: QtQuick.Controls-QMLModule_FOUND)
-- qmlplugindump failed for QtQuick.Layouts.
-- Could NOT find QtQuick.Layouts-QMLModule (missing: QtQuick.Layouts-QMLModule_FOUND)
-- qmlplugindump failed for QtQuick.Dialogs.
-- Could NOT find QtQuick.Dialogs-QMLModule (missing: QtQuick.Dialogs-QMLModule_FOUND)
-- qmlplugindump failed for org.kde.kirigami.
-- Could NOT find org.kde.kirigami-QMLModule (missing: org.kde.kirigami-QMLModule_FOUND)
-- Compiling for Systemd
-- Build the standalone application
-- Could NOT find KF5Notifications (missing: KF5Notifications_DIR)
-- Could NOT find KF5Notifications: found neither KF5NotificationsConfig.cmake nor kf5notifications-config.cmake
CMake Error at /usr/share/cmake-3.16/Modules/FindPackageHandleStandardArgs.cmake:146 (message):
Could NOT find KF5 (missing: Notifications) (found version "5.68.0")
Call Stack (most recent call first):
/usr/share/cmake-3.16/Modules/FindPackageHandleStandardArgs.cmake:393 (_FPHSA_FAILURE_MESSAGE)
/usr/share/ECM/find-modules/FindKF5.cmake:110 (find_package_handle_standard_args)
fancontrol-gui/CMakeLists.txt:15 (find_package)

-- Configuring incomplete, errors occurred!
See also "/home/idwwwoqq808/Downloads/fancontrol-gui/build/CMakeFiles/CMakeOutput.log".
`
I already installed the necessary packages provided by win8linux: #8
I'm compiling on Ubuntu 20.04.