|  | @@ -969,9 +969,10 @@ export const formateTimes = (osmd: OpenSheetMusicDisplay) => {
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				|  |  |  			// } else {
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				|  |  |  			// 	activeVerticalMeasureList = [note.sourceMeasure?.verticalMeasureList?.[0]] || [];
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				|  |  |  			// }
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				|  |  | +			
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				|  |  |  			// 合并展示某些分轨,需要把展示的分轨筛选出来
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				|  |  |  			if (state.isCombineRender && note.sourceMeasure.verticalMeasureList.length) {
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				|  |  | -				note.sourceMeasure.verticalMeasureList = note.sourceMeasure?.verticalMeasureList.filter((item: any) => state.canSelectTracks.includes(item.parentStaff.parentInstrument.Name))
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				|  |  | +				note.sourceMeasure.verticalMeasureList = note.sourceMeasure?.verticalMeasureList.filter((item: any) => state.canSelectTracks.includes(item?.parentStaff?.parentInstrument.Name))
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				|  |  |  			}
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				|  |  |  
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				|  |  |  			activeVerticalMeasureList = [note.sourceMeasure?.verticalMeasureList?.[0]] || [];
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				|  | @@ -982,7 +983,7 @@ export const formateTimes = (osmd: OpenSheetMusicDisplay) => {
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				|  |  |  			const vmLength = note.sourceMeasure?.verticalMeasureList?.length
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				|  |  |  			let currentVmIndex = 0;
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				|  |  |  			let hasSvgElement = currenrtVfVoices?.tickables[staveNoteIndex];
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				|  |  | -			while (!hasSvgElement && vmLength > 1 && currentVmIndex <= vmLength - 1) {
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				|  |  | +			while (!hasSvgElement && vmLength > 1 && currentVmIndex <= vmLength - 1 && currenrtVfVoices !== null) {
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				|  |  |  				currentVmIndex += 1;
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				|  |  |  				activeVerticalMeasureList = [note.sourceMeasure?.verticalMeasureList?.[currentVmIndex]] || [];
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				|  |  |  				currenrtVfVoices = activeVerticalMeasureList[0]?.vfVoices['1'] ? activeVerticalMeasureList[0]?.vfVoices['1'] : activeVerticalMeasureList[0]?.vfVoices['2'] ? activeVerticalMeasureList[0]?.vfVoices['2'] : null;
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