curl http://api.haihub.cn/v1/chat/completions   -H "Content-Type: application/json" -H "Authorization: Bearer sk-39e95693-ae68-47e6-b643-7b5acb1e7677"    -d '{
       "model": "DeepSeek-V3.1",
       "messages": [{
           "role": "user",
           "content": "天空为什么是蓝色的？"
       }],
       "temperature": 0.6,
       "stream": true,
       "max_tokens": 600
   }'