uniapp怎么设置请求头

import Vue from 'vue'import App from './App'Vue.config.productionTip = falseVue.prototype.$http = function(url, method, data){  return new Promise((resolve, reject) => {    uni.request({      url: 'http://localhost:8080/' + url,      method: method,      data: data,      header:{          'Content-Type': 'application/json',          'Authorization': 'Bearer ' + uni.getStorageSync('token')      },      success: (res) => {        resolve(res);      },      fail: (res) => {        reject(res);      }    });  });}App.mpType = 'app'const app = new Vue({  ...App})app.$mount()

uni.request({  url: 'http://localhost:8080/' + url,  method: method,  data: data,  header:{    'Authorization': 'Bearer ' + uni.getStorageSync('token')  },  success: (res) => {    resolve(res);  },  fail: (res) => {    reject(res);  }});