Error: selectionChange: expected cursor but cursor is null.
    at Rs.getTOC [as selectionChange] (file:///C:/Users/Qdtech/Downloads/marktext-1.0beta-win64/resources/app.asar/dist/electron/webpack:/marktext/src/muya/lib/contentState/tableSelectCellsCtrl.js:260:9)
    at Ws.<anonymous> (file:///C:/Users/Qdtech/Downloads/marktext-1.0beta-win64/resources/app.asar/dist/electron/webpack:/marktext/src/muya/lib/index.js:111:22)
    at file:///C:/Users/Qdtech/Downloads/marktext-1.0beta-win64/resources/app.asar/dist/electron/webpack:/marktext/src/muya/lib/eventHandler/keyboard.js:72:7