diff --git a/trader.py b/trader.py
index d085f5b..d5e12fa 100644
--- a/trader.py
+++ b/trader.py
@@ -40,6 +40,7 @@ class Trader(Account):
             - qualified_opinion: 会计保留意见
         account (Account):                  账户设置，account.Account
     """
+    ###
     def __init__(self, 
                  signal: Dict[str, pd.DataFrame]=None,
                  interval: Dict[str, Union[int,tuple,pd.Series]]=1,