您应该将
colours对象声明为数组
"colours": [{ fillColor: 'rgba(47, 132, 71, 0.8)', strokeColor: 'rgba(47, 132, 71, 0.8)', highlightFill: 'rgba(47, 132, 71, 0.8)', highlightStroke: 'rgba(47, 132, 71, 0.8)'}];plnkr

您应该将
colours对象声明为数组
"colours": [{ fillColor: 'rgba(47, 132, 71, 0.8)', strokeColor: 'rgba(47, 132, 71, 0.8)', highlightFill: 'rgba(47, 132, 71, 0.8)', highlightStroke: 'rgba(47, 132, 71, 0.8)'}];plnkr