{"choices":[{"finish_reason":"stop","index":0,"message":{"content":"你好!这是来自 mock server 的回复 (non-stream)。","role":"assistant"}}],"created":1700000000,"id":"chatcmpl-mock-8f1f5b49-f938-4fd7-bd13-1da80b0b8a5e","model":"","object":"chat.completion","usage":{"completion_tokens":8,"prompt_cache_hit_tokens":0,"prompt_cache_miss_tokens":12,"prompt_tokens":12,"total_tokens":20}}