diff --git a/strategies/rotation/config.yaml b/strategies/rotation/config.yaml
index a221899..fcb16e9 100644
--- a/strategies/rotation/config.yaml
+++ b/strategies/rotation/config.yaml
@@ -104,7 +104,7 @@ benchmark:
   name: "沪深300"
 
 # ==================== 回测参数 ====================
-start_date: "2002-01-01"
+start_date: "2020-01-01"
 
 # ==================== 因子参数 ====================
 # 动量/趋势窗口期（天数）