in version 6.1.4, baselayout.js, line 213~214,
resizeChildren:function(){
…
//in hidden container adjust doesn’t work, so fallback to last known size
//also, ensure that min-size is not violated
nx = x = Math.max(sizes[0], (this._settings.width || this._viewobj.parentNode.offsetWidth || x || 0));
ny = y = Math.max(sizes[2], (this._settings.height || this._viewobj.parentNode.offsetHeight || y || 0));
…
offsetWidth should be changed to clientWidth,
offsetHeight should be changed to clientHeight.