tooltip超出屏幕范围

 tooltip: {
//		    	confine:'true',position: ['5%', '0%']
		          // confine: true,
		         //  alwaysShowContent: true, 一直悬停
		           enterable: true, //可鼠标交互悬停
		          backgroundColor: 'rgba(255,255,255,0.8)',
		          borderColor: '#f5f6f8',
		          borderWidth: 1,
		          position: [100, 0],
//		          renderMode: "richText",
		          className: "tipclass", //设置悬停样式
		          textStyle: {
		        		  fontSize: 5,
		        		  height:50,
		        	      lineHeight: 1,
//		        	      height: 30
		            }
				
	
		    },

.tipclass{
	overflow: auto !important;
	 height: 90%;
}