[{
 		"series": [{
 			"color": "#24ABFD",
 			"data": 0.75,
 			"index": 0,
 			"legendShape": "circle",
 			"name": "当前脱落率",
 			"pointShape": "circle",
 			"show": true,
 			"type": "arcbar"
 		}]
 	},
 	{
 		"series": [{
 			"color": "#F04864",
 			"data": 0.33,
 			"index": 0,
 			"legendShape": "circle",
 			"name": "脱落率警示线",
 			"pointShape": "circle",
 			"show": true,
 			"type": "arcbar"
 		}]
 	}
 ]