Merge branch '2023-8-28' into online

src/pc/home/index.tsx

@@ -1738,6 +1738,7 @@ export default defineComponent({
 		};
 
 		const handleExport = () => {
+			data.active = null as unknown as INoteActive;
 			const input = document.createElement("input");
 			input.type = "file";
 			input.accept = ".xml,.musicxml";
@@ -1809,6 +1810,7 @@ export default defineComponent({
 		};
 
 		const handleUpdate = async () => {
+			if (data.saveLoading) return;
 			if (!data.isSave) {
 				await handleSaveMusic();
 			}