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				@@ -278,13 +278,13 @@ export default defineComponent({ 
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				               }) 
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				             } 
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				             if (nextItem?.type === materialType.曲目) { 
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				-              goback() 
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				-               const parmas = qs.stringify({ 
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				+              handleInit(1) 
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				+              const parmas = qs.stringify({ 
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				                 id: nextItem.content, 
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				                 courseScheduleId: query.courseScheduleId, 
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				                 lessonTrainingId: query.lessonTrainingId, 
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				                 materialId: nextItem.materialId 
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				-               }) 
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				+              }) 
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				               let src = `${location.origin}/orchestra-music-score/?` + parmas 
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				               // console.log("🚀 ~ src", src) 
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				               postMessage({ 
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