[LayaAirIDE 2.0]Laya3D cannonBUG

     var rigidBody =(element.getComponent(Laya.CannonRigidbody3D) as Laya.CannonRigidbody3D);
                            
                            rigidBody.applyImpulse(new Laya.Vector3(0,0,5000));
调用applyImpulse报错