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				@@ -746,7 +746,7 @@ export default defineComponent({ 
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				     const musicScoreUrl = getHttpOrigin() + musicScorePath; 
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				     // const musicScoreUrl = "https://test.colexiu.com" + musicScorePath; 
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				     // const musicScoreUrl = 'http://192.168.3.68:3000/instrument.html'; 
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				-    let href = `${musicScoreUrl}?t=${Date.now()}#/?id=${musicId}&Authorization=${Authorization}&isPreView=true&zoom=0.5&downPng=A4`; 
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				+    let href = `${musicScoreUrl}?t=${Date.now()}#/?id=${musicId}&Authorization=${Authorization}&isPreView=true&zoom=0.3&downPng=A4`; 
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				     // // 老师端加上systemType=teacher 
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				     href += ('&systemType=' +( state.platformType === "STUDENT" ? `student` : 'teacher')); 
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				     // 总谱还是什么 
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