### Self Checks / 自检
- [x] I have read the [FAQ](https://github.com/farion1231/…cc-switch#faq) section in README.
我已阅读 README 中的[常见问题](https://github.com/farion1231/cc-switch#常见问题)。
- [x] I have searched for [existing issues](https://github.com/farion1231/cc-switch/issues), including closed ones.
我已搜索过[已有的 Issue](https://github.com/farion1231/cc-switch/issues),包括已关闭的。
### CC Switch Version / 版本号
3.13.0
### Operating System / 操作系统
Windows
### Related App / 涉及应用
Claude Code
### Steps to Reproduce / 重现步骤
使用 Vllm 部署 Qwopus3.5-27B-v3,API 格式使用 `OpenAI Chat Completions`,模型返回时自动换行
<img width="1897" height="1040" alt="Image" src="https://github.com/user-attachments/assets/668522d9-b5f8-4c0f-90aa-d59cfc1727b6" />
我已经确认流式结果中不会有多余换行符
```txt
data: {"id":"chatcmpl-86f6c467e4b242e0","object":"chat.completion.chunk","created":1776679645,"model":"Qwopus3.5-27B-v3","choices":[{"index":0,"delta":{"reasoning":"."},"logprobs":null,"finish_reason":null,"token_ids":null}]}
data: {"id":"chatcmpl-86f6c467e4b242e0","object":"chat.completion.chunk","created":1776679645,"model":"Qwopus3.5-27B-v3","choices":[{"index":0,"delta":{"reasoning":"\n"},"logprobs":null,"finish_reason":null,"token_ids":null}]}
data: {"id":"chatcmpl-86f6c467e4b242e0","object":"chat.completion.chunk","created":1776679645,"model":"Qwopus3.5-27B-v3","choices":[{"index":0,"delta":{"content":"\n\n"},"logprobs":null,"finish_reason":null,"token_ids":null}]}
data: {"id":"chatcmpl-86f6c467e4b242e0","object":"chat.completion.chunk","created":1776679645,"model":"Qwopus3.5-27B-v3","choices":[{"index":0,"delta":{"content":"你好"},"logprobs":null,"finish_reason":null,"token_ids":null}]}
data: {"id":"chatcmpl-86f6c467e4b242e0","object":"chat.completion.chunk","created":1776679645,"model":"Qwopus3.5-27B-v3","choices":[{"index":0,"delta":{"content":","},"logprobs":null,"finish_reason":null,"token_ids":null}]}
data: {"id":"chatcmpl-86f6c467e4b242e0","object":"chat.completion.chunk","created":1776679645,"model":"Qwopus3.5-27B-v3","choices":[{"index":0,"delta":{"content":"这是一"},"logprobs":null,"finish_reason":null,"token_ids":null}]}
data: {"id":"chatcmpl-86f6c467e4b242e0","object":"chat.completion.chunk","created":1776679645,"model":"Qwopus3.5-27B-v3","choices":[{"index":0,"delta":{"content":"条"},"logprobs":null,"finish_reason":null,"token_ids":null}]}
data: {"id":"chatcmpl-86f6c467e4b242e0","object":"chat.completion.chunk","created":1776679645,"model":"Qwopus3.5-27B-v3","choices":[{"index":0,"delta":{"content":"用于"},"logprobs":null,"finish_reason":null,"token_ids":null}]}
data: {"id":"chatcmpl-86f6c467e4b242e0","object":"chat.completion.chunk","created":1776679645,"model":"Qwopus3.5-27B-v3","choices":[{"index":0,"delta":{"content":"测试"},"logprobs":null,"finish_reason":null,"token_ids":null}]}
data: {"id":"chatcmpl-86f6c467e4b242e0","object":"chat.completion.chunk","created":1776679645,"model":"Qwopus3.5-27B-v3","choices":[{"index":0,"delta":{"content":"流"},"logprobs":null,"finish_reason":null,"token_ids":null}]}
data: {"id":"chatcmpl-86f6c467e4b242e0","object":"chat.completion.chunk","created":1776679645,"model":"Qwopus3.5-27B-v3","choices":[{"index":0,"delta":{"content":"式"},"logprobs":null,"finish_reason":null,"token_ids":null}]}
data: {"id":"chatcmpl-86f6c467e4b242e0","object":"chat.completion.chunk","created":1776679645,"model":"Qwopus3.5-27B-v3","choices":[{"index":0,"delta":{"content":"输出的"},"logprobs":null,"finish_reason":null,"token_ids":null}]}
data: {"id":"chatcmpl-86f6c467e4b242e0","object":"chat.completion.chunk","created":1776679645,"model":"Qwopus3.5-27B-v3","choices":[{"index":0,"delta":{"content":"示例"},"logprobs":null,"finish_reason":null,"token_ids":null}]}
data: {"id":"chatcmpl-86f6c467e4b242e0","object":"chat.completion.chunk","created":1776679645,"model":"Qwopus3.5-27B-v3","choices":[{"index":0,"delta":{"content":"句子"},"logprobs":null,"finish_reason":null,"token_ids":null}]}
data: {"id":"chatcmpl-86f6c467e4b242e0","object":"chat.completion.chunk","created":1776679645,"model":"Qwopus3.5-27B-v3","choices":[{"index":0,"delta":{"content":"。"},"logprobs":null,"finish_reason":null,"token_ids":null}]}
data: {"id":"chatcmpl-86f6c467e4b242e0","object":"chat.completion.chunk","created":1776679645,"model":"Qwopus3.5-27B-v3","choices":[{"index":0,"delta":{},"logprobs":null,"finish_reason":"stop","stop_reason":null,"token_ids":null}]}
data: [DONE]
```
### Expected Behavior / 期望行为
模型调用结果正确返回
### Actual Behavior / 实际行为
_No response_
### Additional Context / 补充信息
_No response_