upLeftBackDown:function (cabinet) {
var cabinet_box=new THREE.Box3().setFromObject(cabinet);
var min_point=cabinet_box.min;
cabinet.position.copy(min_point);
cabinet.children.forEach(function (p1) {
var board_woldPosition=p1.getWorldPosition();
p1.position.copy(board_woldPosition.clone().sub(cabinet.position));
p1.updateMatrixWorld(true);
})
cabinet.updateMatrixWorld(true);
},