DeepSeek v4 Flash & Pro Fingerprint 变成MD5，无其他实质变化

(0) PS> curl https://api.deepseek.com/chat/completions `
>>   -H "Content-Type: application/json" `
>>   -H "Authorization: Bearer ${DEEPSEEK_API_KEY}" `
>>   -d '{
>>         "model": "deepseek-v4-flash",
>>         "messages": [
>>           {"role": "system", "content": "You are a helpful assistant."},
>>           {"role": "user", "content": "Hello!"}
>>         ],
>>         "thinking": {"type": "enabled"},
>>         "reasoning_effort": "high",
>>         "stream": false
>>       }'
{"id":"1cc383d6-881f-4e9f-973a-8b4eb5e75df9","object":"chat.completion","created":1786606285,"model":"deepseek-v4-flash","choices":[{"index":0,"message":{"role":"assistant","content":"Hello! How can I help you today?","reasoning_content":"The user greeted me with \"Hello!\" The standard response is a friendly greeting and an offer of assistance. The task is to be helpful, so I'll keep it simple and open-ended."},"logprobs":null,"finish_reason":"stop"}],"usage":{"prompt_tokens":91,"completion_tokens":48,"total_tokens":139,"prompt_tokens_details":{"cached_tokens":0},"completion_tokens_details":{"reasoning_tokens":38},"prompt_cache_hit_tokens":0,"prompt_cache_miss_tokens":91},"system_fingerprint":"a26a7955944dc5c60445bff77fac9c8e"}
```Flash旧指纹：fp_a18b46594c_prod0820_fp8_kvcache_20260402

Flash新指纹：a26a7955944dc5c60445bff77fac9c8e

> 经验证，就是`fp_a18b46594c_prod0820_fp8_kvcache_20260402_fp`的MD5
> 15点30分```
(0) PS> curl https://api.deepseek.com/chat/completions `
>>   -H "Content-Type: application/json" `
>>   -H "Authorization: Bearer ${DEEPSEEK_API_KEY}" `
>>   -d '{
>>         "model": "deepseek-v4-pro",
>>         "messages": [
>>           {"role": "system", "content": "You are a helpful assistant."},
>>           {"role": "user", "content": "Hello!"}
>>         ],
>>         "thinking": {"type": "enabled"},
>>         "reasoning_effort": "high",
>>         "stream": false
>>       }'
{"id":"f375816b-ffcf-4ba2-ab21-ae5ff3e2768c","object":"chat.completion","created":1786607074,"model":"deepseek-v4-pro","choices":[{"index":0,"message":{"role":"assistant","content":"Hello! How can I help you today?","reasoning_content":"We need answer user greeting. Need respond concise. \"Hello! How can I help you today?\" likely."},"logprobs":null,"finish_reason":"stop"}],"usage":{"prompt_tokens":91,"completion_tokens":32,"total_tokens":123,"prompt_tokens_details":{"cached_tokens":0},"completion_tokens_details":{"reasoning_tokens":22},"prompt_cache_hit_tokens":0,"prompt_cache_miss_tokens":91},"system_fingerprint":"a307abda487cd1b463329ccb945ce396"}
```Pro新指纹：a307abda487cd1b463329ccb945ce396

> 经验证，就是`fp_v4pro_20260812_prod0820_fp8_kvcache_20260402_fp`的MD5
> 15:45 周四

关于PRO的知识库

> 我实测有变化，详情如图：
> [Screenshot_2026-08-13-15-50-44-125_me.rerere.rikkahub_1786607575791edit]
> 能够正确回答这个问题，知识库时间已经变了
> 网页端同步变化：
> [Screenshot_2026-08-13-16-04-57-880_com.android.chrome]
> 网页端在早上七八点时也能正确回答这个问题…

- 根据上面指纹就是MD5的发现，很可能**没有更换模型**