Firebase Storage getDownloadUrl（）无法解析

Question

filePath.putFile(resultUri).addOnCompleteListener(new OnCompleteListener<UploadTask.TaskSnapshot>() {
                    @Override
                    public void onComplete(@NonNull Task<UploadTask.TaskSnapshot> task) {
                        if (task.isSuccessful()) {
                            Toast.makeText(SettingsActivity.this, "Profile image uploaded successfully...", Toast.LENGTH_SHORT).show();
                            final String downloadUri = task.getResult().getDownloadUrl().toString();
                            Rootref.child("Users").child(currentuserID).child("image")
                                    .setValue(downloadUri)
                                    .addOnCompleteListener(new OnCompleteListener<Void>() {
                                        @Override
                                        public void onComplete(@NonNull Task<Void> task)
                                        {
                                            if (task.isSuccessful())
                                            {
                                                Toast.makeText(SettingsActivity.this, "hi", Toast.LENGTH_SHORT).show();
                                                loadingbar.dismiss();
                                            }
                                            else
                                            {
                                                String message = task.getException().toString();
                                                Toast.makeText(SettingsActivity.this, "Error: " + message, Toast.LENGTH_SHORT).show();
                                                loadingbar.dismiss();
                                            }
                                        }
                                    });

                        }

                        else
                        {
                            String message = task.getException().toString();
                            Toast.makeText(SettingsActivity.this, "Error: " + message, Toast.LENGTH_SHORT).show();
                            loadingbar.dismiss();
                        }