diff --git a/Board/board_impl.py b/Board/board_impl.py
index 2f98144..41b2cc2 100644
--- a/Board/board_impl.py
+++ b/Board/board_impl.py
@@ -60,7 +60,7 @@ class DashBoardImpl:
         #     start = time.strftime("%Y-%m-%d", time.localtime(time.time() - 60*60*24*30))
 
         # 默认查询起始日期是30天以前
-        start = time.strftime("%Y-%m-%d", time.localtime(time.time() - 60*60*24*30))
+        start = time.strftime("%Y-%m-%d", time.localtime(time.time() - 60*60*24*365))
 
         records = db.find_data_with_aggregate(
             "企业数据",