我发现Azure渠道的o3mini上传图片会提示不支持 
{
  "message": "400 Invalid content type. image_url is only supported by certain models.",
  "status": 400,
  "error": {
    "message": "Invalid content type. image_url is only supported by certain models.",
    "type": "invalid_request_error",
    "param": "messages.[1].content.[1].type",
    "code": null
  },
  "code": null,
  "param": "messages.[1].content.[1].type"...