这个问题可能是由于图片的方向信息不正确导致的。为了解决这个问题，你可以尝试使用 ExifInterface 类来从图片中获取方向信息，并旋转它以使其正常显示。在上传图片之前，可以尝试对图片进行修复，代码示例如下：

// Get the BitmapFactory options object.
BitmapFactory.Options options = new BitmapFactory.Options();
options.inJustDecodeBounds = true;

// Decode the file to get the info about it.
BitmapFactory.decodeFile(filePath, options);

// Get the orientation of the image from the Exif data.
ExifInterface exif = new ExifInterface(filePath);
int orientation = exif.getAttributeInt(ExifInterface.TAG_ORIENTATION, 1);

// Calculate the sample size to use for decoding the image.
options.inSampleSize = calculateInSampleSize(options, reqWidth, reqHeight);

// Decode the file again, setting the sample size.
options.inJustDecodeBounds = false;
Bitmap bitmap = BitmapFactory.decodeFile(filePath, options);

// Rotate the bitmap according to the orientation.
bitmap = rotateBitmap(bitmap, orientation);

// Upload the rotated bitmap to Firebase.
ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
bitmap.compress(Bitmap.CompressFormat.JPEG, 100, outputStream);
byte[] data = outputStream.toByteArray();
FirebaseStorage storage = FirebaseStorage.getInstance();
StorageReference storageRef = storage.getReference();
StorageReference imageRef = storageRef.child("images/" + filename);
UploadTask uploadTask = imageRef.putBytes(data);

其中 calculateInSampleSize() 和 rotateBitmap() 这两个方法的实现与正常使用时一样，这里不再赘述。