diff --git a/QUANTAXIS/QAUtil/QADate_trade.py b/QUANTAXIS/QAUtil/QADate_trade.py
index 0fc95e139..00263a2be 100755
--- a/QUANTAXIS/QAUtil/QADate_trade.py
+++ b/QUANTAXIS/QAUtil/QADate_trade.py
@@ -7146,7 +7146,6 @@
     '2020-01-21',
     '2020-01-22',
     '2020-01-23',
-    '2020-01-31',
     '2020-02-03',
     '2020-02-04',
     '2020-02-05',
diff --git a/QUANTAXIS/__init__.py b/QUANTAXIS/__init__.py
index 30641a7e4..61c43e631 100755
--- a/QUANTAXIS/__init__.py
+++ b/QUANTAXIS/__init__.py
@@ -31,7 +31,7 @@
 2017/4/8
 """
 
-__version__ = '1.7.7'
+__version__ = '1.8.0'
 __author__ = 'yutiansut'
 
 import argparse