Javascript Json到饼图转换错误

我试图实现动态谷歌饼图。但在这样做时，它通过json调用连接到数据库，但我无法实现piechat。因此，我无法获取饼图的值

我希望看到的Json数据如下：-

function getHealthReport() 
{ 
  var dataString = {auth_token: sessionStorage.auth_token,};
  var mh_url = MH_HOST + '/reports/get_health_issues_report.json';

  $.ajax(
  {
    type: "POST",
    url: mh_url,
    data: dataString,
    dataType: "json",
    success: function (data) 
    {/*
        google.load("visualization", "1", {packages:["corechart"]});

        google.setOnLoadCallback(drawChart);  <----- here i am getting piechart via  hardcoding
        function drawChart(){
        var data = google.visualization.arrayToDataTable([
         ['Task','Hours per Day'],
         ['Work',11],
         ['Eat',2],
         ['Commute',2]
        ]);

        var options = {
            title: 'My Daily Activities'
        };

        var chart = new google.visualization.PieChart(document.getElementById('outer_tableDiv'));
        chart.draw(data, options);}
        */
    },
    error: function (data) 
    {
        alert("fail");
    }    
  });  
}

谁能帮忙吗