The first click after opening the Launchpad will be stuck

Describe the bug
When I open the Launchpad with the system gesture, the first click will be stuck. When I turned off BTT, this phenomenon no longer appeared.

Affected input device (e.g. MacBook Trackpad, Magic Mouse/Trackpad, Touch Bar, etc.):
MacBook Trackpad

Device information:

  • Type of Mac: MacBook Pro 15' 2016
  • macOS version: 10.14.3
  • BetterTouchTool version: 2.728