变量函数重命名

service.py

@@ -7,7 +7,7 @@ from models import Message, SendMessageResponse, Session, TokenUsage
 from storage import JsonSessionStorage
 
 
-class DeepSeekUpstreamError(Exception):
+class ChatProviderError(Exception):
     pass
 
 
@@ -41,10 +41,10 @@ class ChatService:
                 )
                 assistant_content = completion.choices[0].message.content
             except (APIError, IndexError, AttributeError) as exc:
-                raise DeepSeekUpstreamError("DeepSeek request failed") from exc
+                raise ChatProviderError("Upstream chat request failed") from exc
 
             if assistant_content is None:
-                raise DeepSeekUpstreamError("DeepSeek returned an empty response")
+                raise ChatProviderError("Upstream chat provider returned an empty response")
 
             assistant_message = await self._save_exchange(
                 session, content, user_created_at, assistant_content
@@ -94,11 +94,11 @@ class ChatService:
                 finally:
                     await stream.close()
             except (APIError, AttributeError, TypeError) as exc:
-                raise DeepSeekUpstreamError("DeepSeek stream failed") from exc
+                raise ChatProviderError("Upstream chat stream failed") from exc
 
             assistant_content = "".join(parts)
             if not assistant_content:
-                raise DeepSeekUpstreamError("DeepSeek returned an empty response")
+                raise ChatProviderError("Upstream chat provider returned an empty response")
 
             assistant_message = await self._save_exchange(
                 session, content, user_created_at, assistant_content