diff --git a/vnpy/gateway/hbdm/hbdm_gateway.py b/vnpy/gateway/hbdm/hbdm_gateway.py
index b26629b1..f1848c09 100644
--- a/vnpy/gateway/hbdm/hbdm_gateway.py
+++ b/vnpy/gateway/hbdm/hbdm_gateway.py
@@ -104,7 +104,7 @@ class HbdmGateway(BaseGateway):
         "代理端口": "",
     }
 
-    exchagnes = [Exchange.HUOBI]
+    exchanges = [Exchange.HUOBI]
 
     def __init__(self, event_engine):
         """Constructor"""