fix trade tick begin_index param

Author: tigersk

CHANGELOG.md

@@ -1,3 +1,8 @@
+## 2.2.1 (2022-11-07)
+### Fixed
+- 修复 `TradeClient.get_trade_ticks` begin_index 参数传 0 不生效的问题
+
+
 ## 2.2.0 (2022-11-01)
 ### New
 - 长链接支持期货逐笔推送. 可通过 `PushClient.subscribe_tick` 订阅，使用 `PushClient.tick_changed` 接收回调

tigeropen/__init__.py

@@ -4,4 +4,4 @@
 
 @author: gaoan
 """
-__VERSION__ = '2.2.0'
+__VERSION__ = '2.2.1'

tigeropen/quote/request/model.py

@@ -363,13 +363,13 @@ def to_openapi_dict(self):
         if self.end_time:
             params['end_time'] = self.end_time
 
-        if self.limit:
+        if self.limit is not None:
             params['limit'] = self.limit
 
-        if self.begin_index:
+        if self.begin_index is not None:
             params['begin_index'] = self.begin_index
 
-        if self.end_index:
+        if self.end_index is not None:
             params['end_index'] = self.end_index
 
         if self.date: