if (StringUtils.isNotEmpty(fileData.getNameSpace())) {
                        throw new RuntimeException(fileData + " is not support!");
                    } else {
                        File source = new File(fileData.getPath());
                        if (source.exists() && source.isFile()) {
                            return new LazyFileInputStream(source);
                        } else {
                            miss = true;
                            return null;
                        }
                    }