fromgoogleimportgenai# 直接在 Client 中设置自定义 base URLclient=genai.Client(api_key="YOUR_API_KEY",http_options={"base_url":"https://cdn.tweapi.com"})response=client.models.generate_content(model="gemini-3-pro-preview",contents="Write a story about a magic backpack.",)print(response.text)