From 4f0e8a298230bdca080c3872b5e19d07365fe2ea Mon Sep 17 00:00:00 2001
From: lintsinghua <lintsinghua@users.noreply.github.com>
Date: Tue, 9 Dec 2025 21:13:14 +0800
Subject: [PATCH] refactor(llm): simplify model name formatting logic in
 LiteLLMAdapter

- Remove redundant check for CUSTOM_BASE_URL_PROVIDERS
- Consolidate model name prefix logic into single code path
- Move prefix retrieval after model name validation
- Improve code clarity by eliminating unnecessary conditional branches
- Maintain backward compatibility with existing model name formats
---
 backend/app/services/llm/adapters/litellm_adapter.py | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/backend/app/services/llm/adapters/litellm_adapter.py b/backend/app/services/llm/adapters/litellm_adapter.py
index c1fded9..81a9d90 100644
--- a/backend/app/services/llm/adapters/litellm_adapter.py
+++ b/backend/app/services/llm/adapters/litellm_adapter.py
@@ -61,16 +61,12 @@ class LiteLLMAdapter(BaseLLMAdapter):
         provider = self.config.provider
         model = self.config.model
 
-        # 对于使用 OpenAI 兼容模式的提供商，直接使用模型名
-        if provider in self.CUSTOM_BASE_URL_PROVIDERS:
-            return model
-
-        # 对于原生支持的提供商，添加前缀
-        prefix = self.PROVIDER_PREFIX_MAP.get(provider, "openai")
-        
         # 检查模型名是否已经包含前缀
         if "/" in model:
             return model
+
+        # 获取 provider 前缀
+        prefix = self.PROVIDER_PREFIX_MAP.get(provider, "openai")
         
         return f"{prefix}/{model}"