Vue 请求传公共参数

// An highlighted block
//http request拦截器
axios.interceptors.request.use(
	config =>{
   const token = window.sessionStorage.getItem('Tk_token')
   const user_id=window.sessionStorage.getItem('Tk_user_id')

  //  config.data = JSON.stringify(config.data);
  //  config.headers = {
  //    'Content-Type':'application/x-www-form-urlencoded'
  //  }
   if(token){
     config.params = {'token':token,'user_id':user_id}
   }
   console.log(config);
		return config;
	},
	err =>{
		return Promise.reject(err);
	}
)