[Fix]change brokerid to str in CtpGateway

tests/trader/run.py

@@ -9,6 +9,7 @@ from vnpy.gateway.futu import FutuGateway
 from vnpy.gateway.ib import IbGateway
 from vnpy.gateway.ctp import CtpGateway
 from vnpy.gateway.tiger import TigerGateway
+from vnpy.gateway.oes import OesGateway
 
 from vnpy.app.cta_strategy import CtaStrategyApp
 from vnpy.app.csv_loader import CsvLoaderApp
@@ -26,6 +27,7 @@ def main():
     main_engine.add_gateway(FutuGateway)
     main_engine.add_gateway(BitmexGateway)
     main_engine.add_gateway(TigerGateway)
+    main_engine.add_gateway(OesGateway)
 
     main_engine.add_app(CtaStrategyApp)
     main_engine.add_app(CsvLoaderApp)

vnpy/gateway/ctp/ctp_gateway.py

@@ -127,7 +127,7 @@ class CtpGateway(BaseGateway):
     default_setting = {
         "用户名": "",
         "密码": "",
-        "经纪商代码": 0,
+        "经纪商代码": "",
         "交易服务器": "",
         "行情服务器": "",
         "产品名称": "",