diff --git a/packages/image_size_getter/CHANGELOG.md b/packages/image_size_getter/CHANGELOG.md
index 16fdd18..e16c5d2 100644
--- a/packages/image_size_getter/CHANGELOG.md
+++ b/packages/image_size_getter/CHANGELOG.md
@@ -1,6 +1,7 @@
 # CHANGELOG
 
 - [CHANGELOG](#changelog)
+  - [2.4.1](#241)
   - [2.4.0](#240)
   - [2.3.0+1](#2301)
   - [2.3.0](#230)
@@ -18,6 +19,10 @@
   - [0.1.1](#011)
   - [0.1.0](#010)
 
+## 2.4.1
+
+- Fix: Corrected orientation retrieval in JPEG images.
+
 ## 2.4.0
 
 - Add `isExtensionSupported` to `BaseDecoder`
diff --git a/packages/image_size_getter/lib/src/decoder/impl/jpeg_decoder.dart b/packages/image_size_getter/lib/src/decoder/impl/jpeg_decoder.dart
index 50e7c02..1fad391 100644
--- a/packages/image_size_getter/lib/src/decoder/impl/jpeg_decoder.dart
+++ b/packages/image_size_getter/lib/src/decoder/impl/jpeg_decoder.dart
@@ -77,6 +77,7 @@ class JpegDecoder extends BaseDecoder with SimpleTypeValidator {
         throw Exception('Invalid jpeg file');
       }
 
+      // Check for App1 block
       if (block.type == 0xE1) {
         final app1BlockData = await input.getRange(
           start,
@@ -91,7 +92,6 @@ class JpegDecoder extends BaseDecoder with SimpleTypeValidator {
       if (block.type == 0xC0 || block.type == 0xC2) {
         final widthList = await input.getRange(start + 7, start + 9);
         final heightList = await input.getRange(start + 5, start + 7);
-        orientation = (await input.getRange(start + 9, start + 10))[0];
         return _getSize(widthList, heightList, orientation);
       } else {
         start += block.length;
diff --git a/packages/image_size_getter/pubspec.yaml b/packages/image_size_getter/pubspec.yaml
index 8c88d2a..40f68e3 100644
--- a/packages/image_size_getter/pubspec.yaml
+++ b/packages/image_size_getter/pubspec.yaml
@@ -1,6 +1,6 @@
 name: image_size_getter
 description: Get image width and height, the library does not completely decode the image file, just read the metadata to get the image width and height.
-version: 2.4.0
+version: 2.4.1
 homepage: https://github.com/CaiJingLong/dart_image_size_getter
 
 topics:
diff --git a/packages/image_size_getter/test/image_size_getter_test.dart b/packages/image_size_getter/test/image_size_getter_test.dart
index caafd56..3b0eb56 100644
--- a/packages/image_size_getter/test/image_size_getter_test.dart
+++ b/packages/image_size_getter/test/image_size_getter_test.dart
@@ -184,4 +184,229 @@ void main() {
       print('size = ${result.size} (decoded by ${result.decoder.decoderName})');
     });
   });
+
+  group('Test async methods', () {
+    test('Test getSizeAsync with gif', () async {
+      final file = File('../../example/asset/dialog.gif');
+      final input = FileInput(file);
+      final asyncInput = AsyncImageInput.input(input);
+      
+      final size = await ImageSizeGetter.getSizeAsync(asyncInput);
+      expect(size, Size(688, 1326));
+    });
+
+    test('Test getSizeAsync with jpeg', () async {
+      final file = File('../../example/asset/IMG_20180908_080245.jpg');
+      final input = FileInput(file);
+      final asyncInput = AsyncImageInput.input(input);
+      
+      final size = await ImageSizeGetter.getSizeAsync(asyncInput);
+      expect(size, Size(4032, 3024));
+    });
+
+    test('Test getSizeAsync with non-standard jpeg', () async {
+      final file = File('../../example/asset/test.MP.jpg');
+      final input = FileInput(file);
+      final asyncInput = AsyncImageInput.input(input);
+      
+      final size = await ImageSizeGetter.getSizeAsync(asyncInput);
+      expect(size, Size(3840, 2160, needRotate: true));
+    });
+
+    test('Test getSizeAsync with png', () async {
+      final file = File('../../example/asset/ic_launcher.png');
+      final input = FileInput(file);
+      final asyncInput = AsyncImageInput.input(input);
+      
+      final size = await ImageSizeGetter.getSizeAsync(asyncInput);
+      expect(size, Size(96, 96));
+    });
+
+    test('Test getSizeAsync with webp', () async {
+      final file = File('../../example/asset/demo.webp');
+      final input = FileInput(file);
+      final asyncInput = AsyncImageInput.input(input);
+      
+      final size = await ImageSizeGetter.getSizeAsync(asyncInput);
+      expect(size, Size(988, 466));
+    });
+
+    test('Test getSizeAsync with webp extended format', () async {
+      final file = File('../../example/asset/demo_extended.webp');
+      final input = FileInput(file);
+      final asyncInput = AsyncImageInput.input(input);
+      
+      final size = await ImageSizeGetter.getSizeAsync(asyncInput);
+      expect(size, Size(988, 466));
+    });
+
+    test('Test getSizeAsync with webp lossless format', () async {
+      final file = File('../../example/asset/demo_lossless.webp');
+      final input = FileInput(file);
+      final asyncInput = AsyncImageInput.input(input);
+      
+      final size = await ImageSizeGetter.getSizeAsync(asyncInput);
+      expect(size, Size(988, 466));
+    });
+
+    test('Test getSizeAsync with bmp', () async {
+      final file = File('../../example/asset/demo.bmp');
+      final input = FileInput(file);
+      final asyncInput = AsyncImageInput.input(input);
+      
+      final size = await ImageSizeGetter.getSizeAsync(asyncInput);
+      expect(size, Size(256, 256));
+    });
+
+    test('Test getSizeAsync with orientation jpeg', () async {
+      final file = File('../../example/asset/have_orientation_exif_3.jpg');
+      final input = FileInput(file);
+      final asyncInput = AsyncImageInput.input(input);
+      
+      final size = await ImageSizeGetter.getSizeAsync(asyncInput);
+      expect(size, Size(533, 799));
+
+      final file2 = File('../../example/asset/have_orientation_exif_6.jpg');
+      final input2 = FileInput(file2);
+      final asyncInput2 = AsyncImageInput.input(input2);
+      
+      final size2 = await ImageSizeGetter.getSizeAsync(asyncInput2);
+      expect(size2, Size(3264, 2448, needRotate: true));
+    });
+
+    test('Test getSizeResultAsync with gif', () async {
+      final file = File('../../example/asset/dialog.gif');
+      final input = FileInput(file);
+      final asyncInput = AsyncImageInput.input(input);
+      
+      final result = await ImageSizeGetter.getSizeResultAsync(asyncInput);
+      expect(result.size, Size(688, 1326));
+      expect(result.decoder.decoderName, 'gif');
+    });
+
+    test('Test getSizeResultAsync with jpeg', () async {
+      final file = File('../../example/asset/IMG_20180908_080245.jpg');
+      final input = FileInput(file);
+      final asyncInput = AsyncImageInput.input(input);
+      
+      final result = await ImageSizeGetter.getSizeResultAsync(asyncInput);
+      expect(result.size, Size(4032, 3024));
+      expect(result.decoder.decoderName, 'jpeg');
+    });
+
+    test('Test getSizeResultAsync with png', () async {
+      final file = File('../../example/asset/ic_launcher.png');
+      final input = FileInput(file);
+      final asyncInput = AsyncImageInput.input(input);
+      
+      final result = await ImageSizeGetter.getSizeResultAsync(asyncInput);
+      expect(result.size, Size(96, 96));
+      expect(result.decoder.decoderName, 'png');
+    });
+
+    test('Test getSizeResultAsync with webp', () async {
+      final file = File('../../example/asset/demo.webp');
+      final input = FileInput(file);
+      final asyncInput = AsyncImageInput.input(input);
+      
+      final result = await ImageSizeGetter.getSizeResultAsync(asyncInput);
+      expect(result.size, Size(988, 466));
+      expect(result.decoder.decoderName, 'webp');
+    });
+
+    test('Test getSizeResultAsync with bmp', () async {
+      final file = File('../../example/asset/demo.bmp');
+      final input = FileInput(file);
+      final asyncInput = AsyncImageInput.input(input);
+      
+      final result = await ImageSizeGetter.getSizeResultAsync(asyncInput);
+      expect(result.size, Size(256, 256));
+      expect(result.decoder.decoderName, 'bmp');
+    });
+
+    test('Test getSizeAsync with non-existent file', () async {
+      final file = File('../../example/asset/non_existent.jpg');
+      final input = FileInput(file);
+      final asyncInput = AsyncImageInput.input(input);
+      
+      expect(
+        () async => await ImageSizeGetter.getSizeAsync(asyncInput),
+        throwsA(isA<StateError>()),
+      );
+    });
+
+    test('Test getSizeResultAsync with non-existent file', () async {
+      final file = File('../../example/asset/non_existent.jpg');
+      final input = FileInput(file);
+      final asyncInput = AsyncImageInput.input(input);
+      
+      expect(
+        () async => await ImageSizeGetter.getSizeResultAsync(asyncInput),
+        throwsA(isA<StateError>()),
+      );
+    });
+
+    test('Test getSizeAsync with unsupported format', () async {
+      // Create a temporary file with unsupported content
+      final tempFile = File('../../example/asset/temp_unsupported.txt');
+      await tempFile.writeAsString('This is not an image file');
+      
+      try {
+        final input = FileInput(tempFile);
+        final asyncInput = AsyncImageInput.input(input);
+        
+        expect(
+          () async => await ImageSizeGetter.getSizeAsync(asyncInput),
+          throwsA(isA<UnsupportedError>()),
+        );
+      } finally {
+        // Clean up
+        if (await tempFile.exists()) {
+          await tempFile.delete();
+        }
+      }
+    });
+
+    test('Test getSizeResultAsync with unsupported format', () async {
+      // Create a temporary file with unsupported content
+      final tempFile = File('../../example/asset/temp_unsupported2.txt');
+      await tempFile.writeAsString('This is not an image file');
+      
+      try {
+        final input = FileInput(tempFile);
+        final asyncInput = AsyncImageInput.input(input);
+        
+        expect(
+          () async => await ImageSizeGetter.getSizeResultAsync(asyncInput),
+          throwsA(isA<UnsupportedError>()),
+        );
+      } finally {
+        // Clean up
+        if (await tempFile.exists()) {
+          await tempFile.delete();
+        }
+      }
+    });
+
+    test('Test getSizeAsync with memory input via AsyncImageInput', () async {
+      final file = File('../../example/asset/ic_launcher.png');
+      final bytes = await file.readAsBytes();
+      final memoryInput = MemoryInput(bytes);
+      final asyncInput = AsyncImageInput.input(memoryInput);
+      
+      final size = await ImageSizeGetter.getSizeAsync(asyncInput);
+      expect(size, Size(96, 96));
+    });
+
+    test('Test getSizeResultAsync with memory input via AsyncImageInput', () async {
+      final file = File('../../example/asset/ic_launcher.png');
+      final bytes = await file.readAsBytes();
+      final memoryInput = MemoryInput(bytes);
+      final asyncInput = AsyncImageInput.input(memoryInput);
+      
+      final result = await ImageSizeGetter.getSizeResultAsync(asyncInput);
+      expect(result.size, Size(96, 96));
+      expect(result.decoder.decoderName, 'png');
+    });
+  });
 }