InputStream is = this.getClass().getClassLoader().getResourceAsStream("config/document.docx");
log.error("资源：{}", is != null);
InputStreamReader inputStreamReader = new InputStreamReader(is);

// src/main/resources 只能在代码中获取，jar 包是放到了 classes 文件中，
// BufferedReader bufferedReader = Files.newBufferedReader(Paths.get("src/main/resources/config/document.docx"), StandardCharsets.UTF_8);
BufferedReader bufferedReader = new BufferedReader(inputStreamReader);