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@@ -501,7 +501,7 @@ class ListItem extends Component{
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width:'6px',
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width:'6px',
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background:'#f1f1f1'};
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background:'#f1f1f1'};
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const barStyle={background:'#777',width:'100%'};
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const barStyle={background:'#777',width:'100%'};
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- if(datas.length>11){
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+ if(datas&&datas.length>11){
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return <ScrollArea speed={0.8}
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return <ScrollArea speed={0.8}
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horizontal={false}
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horizontal={false}
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stopScrollPropagation={true}
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stopScrollPropagation={true}
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