饼图间距问题echarts 饼配置项内容和展示

默认上方有top怎么设置，柱状图有grid可以设置不适用于饼图

      option = {
		tooltip: {
			trigger: 'item',
			formatter: "{a} <br/>{b}: {c} ({d}%)"
		},
		grid: {
			top: '10%',
			left: '3%',
			right: '4%',
			bottom: '84px'
		},
		series: [{
				name: '访问来源',
				type: 'pie',
				selectedMode: 'single',
				radius: [0, '30%'],
				label: {
					normal: {
						position: 'inner'
					}
				},
				labelLine: {
					normal: {
						show: false
					}
				},
				data: [{
						value: 335,
						name: '锁定用户',
						selected: true
					},
					{
						value: 679,
						name: '延期用户'
					},
					{
						value: 1548,
						name: '正常用户'
					}
				]
			},
			{
				name: '访问来源',
				type: 'pie',
				radius: ['40%', '55%'],
				label: {
					normal: {
						formatter: '{b}  ',
						backgroundColor: 'rgba(1,1,1,0)',
						borderColor: 'rgba(1,1,1,0)',
						borderWidth: 1,
						borderRadius: 4,
						// shadowBlur:3,
						// shadowOffsetX: 2,
						// shadowOffsetY: 2,
						// shadowColor: '#999',
						// padding: [0, 7],
						rich: {
							a: {
								color: '#999',
								lineHeight: 22,
								align: 'center'
							},
							// abg: {
							//     backgroundColor: '#333',
							//     width: '100%',
							//     align: 'right',
							//     height: 22,
							//     borderRadius: [4, 4, 0, 0]
							// },
							hr: {
								borderColor: '#aaa',
								width: '100%',
								borderWidth: 0.5,
								height: 0
							},
							b: {
								fontSize: 16,
								lineHeight: 33
							},
							per: {
								color: '#eee',
								backgroundColor: '#334455',
								padding: [2, 4],
								borderRadius: 2
							}
						}
					}
				},
				data: [{
						value: 335,
						name: '直达'
					},
					{
						value: 310,
						name: '邮件营销'
					},
					{
						value: 234,
						name: '联盟广告'
					},
					{
						value: 135,
						name: '视频广告'
					},
					{
						value: 1048,
						name: '百度'
					}
				]
			}
		]
	};