调用api接口感觉速度有点慢，是否和流式输出有关系，我看接口记录中流式输出参数是false，这个"stream": false, 参数在哪里可以设置呢？ about rwkv-runner HOT 7 OPEN

model_config = {
    "json_schema_extra": {
        "example": {
            "messages": [
                {"role": Role.User.value, "content": "hello", "raw": False}
            ],
            "model": "rwkv",
            "stream": False,
            "stop": None,
            "user_name": None,
            "assistant_name": None,
            "system_name": None,
            "presystem": True,
            "max_tokens": 1000,
            "temperature": 1,
            "top_p": 0.3,
            "presence_penalty": 0,
            "frequency_penalty": 1,
        }
    }
}

model_config = {
    "json_schema_extra": {
        "example": {
            "prompt": "The following is an epic science fiction masterpiece that is immortalized, "
            + "with delicate descriptions and grand depictions of interstellar civilization wars.\nChapter 1.\n",
            "model": "rwkv",
            "stream": False,
            "stop": None,
            "max_tokens": 100,
            "temperature": 1,
            "top_p": 0.3,
            "presence_penalty": 0,
            "frequency_penalty": 1,
        }
    }
}

        LocalSendData local = new LocalSendData();
        local.model = "rwkv";
        local.stream = false;
        local.presystem = true;
        local.max_tokens = 10000;
        local.temperature = 1.2;
        local.top_p = 0.5;
        local.presence_penalty = 0.4;
        local.frequency_penalty = 0.4;
        local.messages = new List<LocalSendDataMes>();
        local.messages.Add(new LocalSendDataMes() { role = "user", content = content, raw = false });
        postData = JsonMapper.ToJson(local);

        Debug.Log(postData);

        //Debug.Log(ConfigExcelMgr.instance.excelData.str_localPath);
    
        using (var request = new UnityWebRequest(ConfigExcelMgr.instance.excelData.str_localPath + "/chat/completions", "POST"))
        //using (var request = new UnityWebRequest("http://192.168.0.105:8000/chat/completions", "POST"))
        {
            request.SetRequestHeader("Accept", "application/json, text/plain, */*");
            request.SetRequestHeader("Content-Type", "application/json");                

            request.uploadHandler = new UploadHandlerRaw(Encoding.UTF8.GetBytes(postData));

            request.downloadHandler = new DownloadHandlerBuffer();

            UnityWebRequestAsyncOperation asyncOp = request.SendWebRequest();

            int dataIndex = 0;

            string text = "";

            while (!asyncOp.isDone)
            {
                //Disponse(false);
                yield return wait_internal;
            }
            

            if (request.result == UnityWebRequest.Result.ConnectionError || request.result == UnityWebRequest.Result.ProtocolError)
            {
                Debug.LogError("Error: " + request.error);
            }

            //Debug.Log(request.downloadHandler.text);
            if (request.downloadHandler.text != null)
            {

                string jsondata = request.downloadHandler.text;
                JsonData jd = JsonMapper.ToObject(jsondata);
                //string js_finish_reason = (string)jd["choices"]["finish_reason"];

                string js_text = (string)jd["choices"][0]["message"]["content"];

                callback?.Invoke(js_text, true);
            }