diff --git a/app/ai/resume_extractor/extractor.py b/app/ai/resume_extractor/extractor.py
index e50f65e..87490ef 100644
--- a/app/ai/resume_extractor/extractor.py
+++ b/app/ai/resume_extractor/extractor.py
@@ -17,7 +17,7 @@ def _build_chain(prompt: str):
     """构建单个提取链：prompt → LLM → JSON解析"""
     return (
         ChatPromptTemplate.from_messages([("system", prompt), ("human", "{text}")])
-        | LLM.DOUBAO_PRO_32K.create(temperature=0)
+        | LLM.CLAUDE_SONNET_4.create(temperature=0)
         | JsonOutputParser()
     )