diff --git a/main.py b/main.py
index 1a0fadf..e9fdfe1 100644
--- a/main.py
+++ b/main.py
@@ -1,6 +1,7 @@
 # -*- coding: utf-8 -*-
 import sys
-import py12306
+
+sys.path.insert(0, 'py12306')
 
 
 def main():
diff --git a/py12306/app/models.py b/py12306/app/models.py
index b8a66c4..e7bcd0d 100644
--- a/py12306/app/models.py
+++ b/py12306/app/models.py
@@ -236,6 +236,14 @@ class Ticket(TimestampMixin, BaseModel):
     class Meta:
         table = 'tickets'
 
+    @property
+    def left_date_order(self):
+        return self.left_date.strftime('%Y-%m-%d')
+
+    @property
+    def secret_str_unquote(self) -> str:
+        return urllib.parse.unquote(self.secret_str)
+
     @classmethod
     def parse_tickets_text(cls, tickts: List[str]):
         ret = []
diff --git a/py12306/app/order.py b/py12306/app/order.py
index e77c462..73de09a 100644
--- a/py12306/app/order.py
+++ b/py12306/app/order.py
@@ -142,9 +142,9 @@ class OrderTicket:
     async def submit_order_request(self):
         """ 提交下单请求 """
         data = {
-            'secretStr': self.ticket.secret_str_unquote(),  # 解密
-            'train_date': self.ticket.left_date_order(),  # 出发时间
-            'back_train_date': self.ticket.left_date_order(),  # 返程时间
+            'secretStr': self.ticket.secret_str_unquote,  # 解密
+            'train_date': self.ticket.left_date_order,  # 出发时间
+            'back_train_date': self.ticket.left_date_order,  # 返程时间
             'tour_flag': 'dc',  # 旅途类型
             'purpose_codes': 'ADULT',  # 成人 | 学生
             'query_from_station_name': StationHelper.cn_by_id(self.query.left_station),
@@ -226,7 +226,7 @@ class OrderTicket:
         """ 获取队列人数 """
         data = {  #
             'train_date': '{} 00:00:00 GMT+0800 (China Standard Time)'.format(
-                datetime.datetime.strptime(self.ticket.left_date_order(), '%Y-%m-%d').strftime("%a %h %d %Y")),
+                self.ticket.left_date.strftime("%a %h %d %Y")),
             'train_no': self.ticket_info_for_passenger_form['queryLeftTicketRequestDTO']['train_no'],
             'stationTrainCode': self.ticket_info_for_passenger_form['queryLeftTicketRequestDTO']['station_train_code'],
             'seatType': self.ticket.available_seat.get('order_id'),
diff --git a/py12306/app/query.py b/py12306/app/query.py
index 3667afa..27636a5 100644
--- a/py12306/app/query.py
+++ b/py12306/app/query.py
@@ -85,7 +85,7 @@ class QueryTicket:
             try:
                 self.api_type = res.group(1)
                 Logger.info(f'更新查询接口地址: {self.api_type}')
-            except IndexError:
+            except (IndexError, AttributeError):
                 raise RetryException('获取车票查询地址失败')
         return await self.get_query_api_type()
 
@@ -162,7 +162,7 @@ class QueryTicket:
         response = await self.session.otn_query_left_ticket(await self.get_query_api_type(), query)
         if response.status is not 200:
             Logger.error(f'车票查询失败, 状态码 {response.status}, {response.reason} 请求被拒绝')
-            return []
+            raise RetryException(wait_s=1, default=[])
         result = response.json().get('data.result')
         if not result:
             Logger.error(f'车票查询失败, {response.reason}')
diff --git a/py12306/lib/helper.py b/py12306/lib/helper.py
index 72a4552..e25774a 100644
--- a/py12306/lib/helper.py
+++ b/py12306/lib/helper.py
@@ -150,6 +150,19 @@ def json_friendly_dumps(obj: Any, **kwargs):
     return json.dumps(obj, ensure_ascii=False, default=json_encoder, **kwargs)
 
 
+def str_to_date(_str: str):
+    if isinstance(_str, datetime.date):
+        return _str
+    if len(_str) is 10:
+        return datetime.datetime.strptime(_str, '%Y-%m-%d').date()
+    else:
+        return datetime.datetime.strptime(_str, '%Y-%m-%d %H:%M:%S')
+
+
+def lmap(*args, **kwargs):
+    return list(map(*args, **kwargs))
+
+
 class ShareInstance:
     __session = None