diff --git a/utils/fastapi_utils.py b/utils/fastapi_utils.py
index c9c1c09..0f2eb5b 100644
--- a/utils/fastapi_utils.py
+++ b/utils/fastapi_utils.py
@@ -600,14 +600,12 @@ async def call_guideline_llm(chat_history: str, guidelines_text: str, terms:str,
 
 def _get_optimal_batch_size(guidelines_count: int) -> int:
     """根据guidelines数量决定最优批次数量（并发数）"""
-    if guidelines_count <= 5:
+    if guidelines_count <= 10:
         return 1
-    elif guidelines_count <= 10:
-        return 2
     elif guidelines_count <= 20:
-        return 3
+        return 2
     elif guidelines_count <= 30:
-        return 4
+        return 3
     else:
         return 5