	}
							},
							toolbox: {
								show: true,
								top: 40,
								feature: {
									saveAsImage: {
										show: true
									}
								}
							},
							tooltip: {
								trigger: 'item',
								formatter: "{a} <br/>{b} : {c} ({d}%)"
							},

							series: [{
								name: '账号来源',
								type: 'pie',
								radius: '50%', // 半径大小
								center: ['50%', '50%'],
								selectedMode: 'single',
								data: dataArray.sort(function(a, b) {
									return a.value - b.va