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				@@ -184,10 +184,14 @@ export default defineComponent({ 
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				           }
 
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				         });
 
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				         // 判断教材里面是否有当前选择的声部,如果没有则默认选择第一个
 
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				+        console.log(status, 'status');
 
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				         if (status) {
 
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				           const instrumentId = tempInstrumentId;
 
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				           sessionStorage.removeItem('prepareLessonCourseWareSubjectIsNull');
 
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				           prepareStore.setInstrumentId(instrumentId);
 
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				+        } else {
 
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				+          sessionStorage.removeItem('prepareLessonCourseWareSubjectIsNull');
 
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				+          prepareStore.setInstrumentId('');
 
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				         }
 
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				       }
 
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