fix:修改范围

src/modules/home/Home.jsx

@@ -108,19 +108,18 @@ class Home extends React.Component {
 				formatter: (val) => {
           return val
 				},
-				tickCount: 5,
+        tickCount: 5,
 			},
 			time: {
 				formatter: (val) => {
           return `${val}`
 				},
-				range: [0.06, 0.94]
 			},
 			studyNum: {
 				formatter: (val) => {
           return val
 				},
-				tickCount: 5
+				tickCount: 5,
 			}
 		});
 		this._chart.axis('time', {
@@ -374,7 +373,7 @@ class Home extends React.Component {
         <div className="study-chart">
           <div className="study-title">学习人数与时长
             <div className="study-select">
-              <span className="select-word">（{moment().subtract(studyTimeRange, 'day').format('MM.DD')} ~ {moment().format('MM.DD')}）</span>
+              <span className="select-word">（{moment().subtract(studyTimeRange - 1, 'day').format('MM.DD')} ~ {moment().format('MM.DD')}）</span>
               <Select
                 style={{ width: 88 }}
                 value={studyTimeRange}