diff --git a/docs/affinity_flow_chatter_optimization_summary.md b/docs/affinity_flow_chatter_optimization_summary.md
index f1c3fb9d8..c5d6c91c0 100644
--- a/docs/affinity_flow_chatter_optimization_summary.md
+++ b/docs/affinity_flow_chatter_optimization_summary.md
@@ -395,7 +395,7 @@ async def _calculate_interest_match_score(self, content: str, keywords: list[str
     
     except asyncio.TimeoutError:
         # 超时时返回默认分值 0.5
-        logger.warning("⏱️ 兴趣匹配计算超时(>1.5秒)，返回默认分值0.5以保留其他分数")
+        logger.warning("⏱️ 兴趣匹配计算超时(>5秒)，返回默认分值0.5以保留其他分数")
         return 0.5  # 避免丢失提及分和关系分
     
     except Exception as e:
diff --git a/src/common/message_repository.py b/src/common/message_repository.py
index 9f997fa89..7ab2d08dc 100644
--- a/src/common/message_repository.py
+++ b/src/common/message_repository.py
@@ -15,7 +15,7 @@ from src.config.config import global_config
 logger = get_logger(__name__)
 
 
-SAFE_FETCH_LIMIT = 5000  # 防止一次性读取过多行导致内存暴涨
+SAFE_FETCH_LIMIT = 1000  # 防止一次性读取过多行导致内存暴涨
 
 
 class Base(DeclarativeBase):