diff --git a/vnpy/api/okexfuture/OkexFutureApi.py b/vnpy/api/okexfuture/OkexFutureApi.py
index a32b41e7..30bf7b03 100644
--- a/vnpy/api/okexfuture/OkexFutureApi.py
+++ b/vnpy/api/okexfuture/OkexFutureApi.py
@@ -519,6 +519,14 @@ class OkexFutureWebSocketClient(OkexFutureWebSocketBase):
             'channel': 'ok_sub_futureusd_' + easySymbol + '_ticker_' + contractType
         })
     
+    #----------------------------------------------------------------------
+    def subscribeUserTrade(self):
+        # todo: 没有测试条件
+        self.sendPacket({
+            'event': 'addChannel',
+            'channel': 'ok_sub_futureusd_trades'
+        })
+    
     #----------------------------------------------------------------------
     def defaultOnPacket(self, packets):
         
@@ -557,6 +565,8 @@ class OkexFutureWebSocketClient(OkexFutureWebSocketBase):
             #             channel.symbol, channel.remoteContractType, *tradeInfo
             #         ))
             #     self.onTrades(trades)
+            
+            # todo: 没有测试条件
             elif channel.type == ChannelType.UserTrade:
                 self.onUserTrade(OkexFutureUserTradeInfo(
                     symbol=packet['symbol'],  # str  #  btc_usd   ltc_usd   eth_usd   etc_usd   bch_usd