打印机打印的图片尺寸调整成适合70*80

lib/page/sample_task/reap_sample_detail/reap_sample_task_page.dart

@@ -204,8 +204,8 @@ class _ReapSampleTaskPageState extends BaseLifecycleState<ReapSampleTaskPage> wi
     Uint8List? bytes = await FileUtils.getBitmapFromContext(ewmKey.currentContext);
     final codec = await ui.instantiateImageCodec(
       bytes!,
-      targetHeight: 450,
-      targetWidth: 80*4,
+      targetHeight: 590,
+      targetWidth: 580,
     );
     final smallImage = (await codec.getNextFrame()).image;
     ByteData? smallBytes = await smallImage.toByteData(format: ui.ImageByteFormat.png);