问URL在Postman中有效，但在Nodejs中无效

EN

const fetch = require('node-fetch'),
      express = require('express'),
      app = express();
async function makeRequest(url, config) {
  try {
    const response = await fetch(url, config)
    return {
      status: response.status,
      payload: await response.json(),
    }
  } catch (error) {
    console.log(error)
    return {
      status: null,
      payload: error.message,
    }
  }
}

let url =
  "https://proxyec8-ee0278a83.dispatcher.eu2.hana.ondemand.com/sposea-qac/sap/opu/odata/SPOSEA/BPM_ODATA_HANA_V1_SRV/"
const config = {
  method: "GET",
  headers: { 
    Authorization: 'Basic '+'TUtBTk46SGFuYUAxOTg5',
    Accept: "application/json",
  },
}
let response = await makeRequest(url, config)
return response

Response:
{"status":401,"payload":{}}