"Application Launcher" not in right position after waking up from sleep

Support KDE Plasma
1

Env

  • KDE Plasma
  • Application Launcher
  • 4K monitor
  • resolution 3840 x 2160, scaled at 200%

Issue

After waking up from sleep, “Application Launcher” pops up automatically at the top left corner of the screen instead of at the bottom left corner.