diff --git a/ai/utils/show_database.py b/ai/utils/show_database.py
index 749e292..f673e6a 100644
--- a/ai/utils/show_database.py
+++ b/ai/utils/show_database.py
@@ -142,6 +142,9 @@ class GetData:
 
     # 按照影片获取销售数据
     def get_sell_data_by_movie(self, start_datetime, end_datetime):
+        # 获取过去7天的数据
+        new_start_datetime = datetime.datetime.strptime(start_datetime, '%Y-%m-%d %H:%M:%S') + datetime.timedelta(days=-7)
+        start_datetime = datetime.datetime.strftime(new_start_datetime, '%Y-%m-%d %H:%M:%S')
         self.cur.execute(GET_SELL_DATA_BY_MOVIE, (start_datetime, end_datetime, start_datetime, end_datetime))
         sell_data = self.cur.fetchall()
         print('get_sell_data_by_movie', sell_data)