[LayaAir 2.0]debugtool调试报错了

Uncaught TypeError: sprite._getBoundPointsM is not a function
    at Function.showDisBound (laya.debugtool.js:3365)
    at dhtmlXTreeObject.<anonymous> (laya.debugtool.js:4840)
    at dhtmlXTreeObject.e.callEvent (eval at init (laya.debugtool.js:4050), <anonymous>:1:9630)
    at dhtmlXTreeObject._selectItem (eval at init (laya.debugtool.js:4050), <anonymous>:1:29350)
    at HTMLTableCellElement.dhtmlXTreeObject.onRowSelect (eval at init (laya.debugtool.js:4050), <anonymous>:1:30615)