使用兼容vLLM 0.2.6版本接口

文本/流式推理接口，将请求体中的stream参数改为false即为文本推理，改为true即为流式推理：

curl -H "Accept: application/json" -H "Content-type: application/json" --cacert ca.pem --cert client.pem  --key client.key.pem -X POST -d '{
    "prompt": "My name is Olivier and I",
    "max_tokens": 20,
    "repetition_penalty": 1.03,
    "presence_penalty": 1.2,
    "frequency_penalty": 1.2,
    "temperature": 0.5,
    "top_k": 10,
    "top_p": 0.95,
    "stream": false,
    "ignore_eos": false
}' https://127.0.0.1:1025/generate