无法使用服务帐户通过Python上载gdrive子文件夹中的pdf

import os
from googleapiclient.discovery import build
from google.oauth2.credentials import Credentials

# 设置API凭据
client_id = 'YOUR_CLIENT_ID'
client_secret = 'YOUR_CLIENT_SECRET'
refresh_token = 'YOUR_REFRESH_TOKEN'

# 创建Google Drive API客户端
credentials = Credentials.from_authorized_user_info(
    {'client_id': client_id, 'client_secret': client_secret, 'refresh_token': refresh_token},
    ['https://www.googleapis.com/auth/drive']
)
drive_service = build('drive', 'v3', credentials=credentials)

# 上传PDF文件到子文件夹
folder_id = 'YOUR_FOLDER_ID'
file_path = 'path/to/pdf/file.pdf'

file_metadata = {
    'name': os.path.basename(file_path),
    'parents': [folder_id]
}
media = MediaFileUpload(file_path, mimetype='application/pdf')

file = drive_service.files().create(body=file_metadata, media_body=media, fields='id').execute()
print('File ID: %s' % file.get('id'))