u', value:20}, {name:'Xiang-Li', value:12}, {name:'Wei-Yu', value:15}, {name:'Chen Zheng', value:14}, 
        {name:'Yu Peng', value:15}, {name:'Li Jian', value:18}]; 

        const svg = d3.select('#mainsvg');
        const width = +svg.attr('width');
        const height = +svg.attr('height');
        const margin = {top: 60, right: 30, bottom: 60, left: 150};
        const innerWidth = width - margin.left - margin.right;
        const innerHeight = height - margin.top - margin.bottom;

        const xS