fastadmin中table字段太长，显示省略号，鼠标停留显示文字

{
                            field: 'question',
                            title: __('Question'),
                            operate: false,
                            formatter : function(value, row, index, field){
                                return "" + value + "";
                            },
                            cellStyle : function(value, row, index, field){
                                return {
                                    css: {
                                        "white-space": "nowrap",
                                        "text-overflow": "ellipsis",
                                        "overflow": "hidden",
                                        "max-width":"150px"
                                    }
                                };
                            }
                        }