fix

src/component/HomePage/ExportModel.vue

@@ -1443,6 +1443,9 @@ export default defineComponent({
 			// 	message.info('Your print is empty')
 			// 	return
 			// }
+			if(this.allBoardData.printboardFiles.length<=0){
+				return
+			}
 			if(credits.value < 30){
 				message.info( useI18.t('exportModel.jsContent3'))
 				// return