fix: #9955 bug修复

src/view/selection/index.tsx

@@ -264,13 +264,15 @@ export default defineComponent({
 									onClick={() => handleSelection(item)}
 								>
 									{lineShow && (
-										<div 
-										class={[
-											styles.line,
-											state.setting.eyeProtection ? styles.eyeLine : '',
-											state.musicRenderType == EnumMusicRenderType.staff ? styles.lineStaff : styles.lineJianPu,
-										]} 
-										style={{ left: metronomeData.activeMetro.left }}></div>
+										<div style={{height: selectData.measureHeight + 'px', position: 'relative'}}>
+											<div 
+											class={[
+												styles.line,
+												state.setting.eyeProtection ? styles.eyeLine : '',
+												state.musicRenderType == EnumMusicRenderType.staff ? styles.lineStaff : styles.lineJianPu,
+											]} 
+											style={{ left: metronomeData.activeMetro.left }}></div>
+										</div>
 									)}
 									{!state.isReport &&
 										!!item.multipleRestMeasures &&