类型不匹配：不能从 Long 转换为 String

    public static String createDepartment(String accessToken, String name,
            String parentId, String order, boolean createDeptGroup ) throws Exception {
        
        CorpDepartmentService corpDepartmentService = ServiceFactory.getInstance().getOpenService(CorpDepartmentService.class);
        return corpDepartmentService.deptCreate(accessToken, name, parentId, order, createDeptGroup);
        
        String url = Env.OAPI_HOST + "/department/create?" +
                "access_token=" + accessToken;
        JSONObject args = new JSONObject();
        args.put("name", name);
        args.put("parentid", parentId);
        args.put("order", order);
        args.put("createDeptGroup", createDeptGroup);
        JSONObject response = HttpHelper.httpPost(url, args);
        if (response.containsKey("id")) {
            


类型不匹配：不能从 Long 转换为 String


这个是不是应该进行类型转换？应该怎么改？