diff --git a/vnpy/api/websocket/WebsocketClient.py b/vnpy/api/websocket/WebsocketClient.py
index b9d75e84..8583d4f7 100644
--- a/vnpy/api/websocket/WebsocketClient.py
+++ b/vnpy/api/websocket/WebsocketClient.py
@@ -263,11 +263,16 @@ class WebsocketClient(object):
         """
         用于Debug： 记录最后一次发送出去的text
         """
-        self._lastSentText = text[:500]
+        self._lastSentText = text[:1000]
 
     #----------------------------------------------------------------------
     def _recordLastReceivedText(self, text):
         """
         用于Debug： 记录最后一次发送出去的text
         """
-        self._lastReceivedText = text[:500]
+        try:
+            # 尝试解包，解不了就算
+            text = str(self.unpackData(text))
+        except:
+            pass
+        self._lastReceivedText = text[:1000]
diff --git a/vnpy/trader/gateway/okexfGateway/okexfGateway.py b/vnpy/trader/gateway/okexfGateway/okexfGateway.py
index a81ad856..56c1dd7e 100644
--- a/vnpy/trader/gateway/okexfGateway/okexfGateway.py
+++ b/vnpy/trader/gateway/okexfGateway/okexfGateway.py
@@ -388,27 +388,28 @@ class OkexfRestApi(RestClient):
     #----------------------------------------------------------------------
     def onQueryPosition(self, data, request):
         """"""
-        for d in data['holding'][0]:
-            longPosition = VtPositionData()
-            longPosition.gatewayName = self.gatewayName
-            longPosition.symbol = d['instrument_id']
-            longPosition.exchange = 'OKEX'
-            longPosition.vtSymbol = '.'.join([longPosition.symbol, longPosition.exchange])
-            longPosition.direction = DIRECTION_LONG
-            longPosition.vtPositionName = '.'.join([longPosition.vtSymbol, longPosition.direction])
-            longPosition.position = int(d['long_qty'])
-            longPosition.frozen = longPosition.position - int(d['long_avail_qty'])
-            longPosition.price = float(d['long_avg_cost'])
-            
-            shortPosition = copy(longPosition)
-            shortPosition.direction = DIRECTION_SHORT
-            shortPosition.vtPositionName = '.'.join([shortPosition.vtSymbol, shortPosition.direction])
-            shortPosition.position = int(d['short_qty'])
-            shortPosition.frozen = shortPosition.position - int(d['short_avail_qty'])
-            shortPosition.price = float(d['short_avg_cost'])
-            
-            self.gateway.onPosition(longPosition)
-            self.gateway.onPosition(shortPosition)
+        for holding in data['holding']:
+            for d in holding:
+                longPosition = VtPositionData()
+                longPosition.gatewayName = self.gatewayName
+                longPosition.symbol = d['instrument_id']
+                longPosition.exchange = 'OKEX'
+                longPosition.vtSymbol = '.'.join([longPosition.symbol, longPosition.exchange])
+                longPosition.direction = DIRECTION_LONG
+                longPosition.vtPositionName = '.'.join([longPosition.vtSymbol, longPosition.direction])
+                longPosition.position = int(d['long_qty'])
+                longPosition.frozen = longPosition.position - int(d['long_avail_qty'])
+                longPosition.price = float(d['long_avg_cost'])
+                
+                shortPosition = copy(longPosition)
+                shortPosition.direction = DIRECTION_SHORT
+                shortPosition.vtPositionName = '.'.join([shortPosition.vtSymbol, shortPosition.direction])
+                shortPosition.position = int(d['short_qty'])
+                shortPosition.frozen = shortPosition.position - int(d['short_avail_qty'])
+                shortPosition.price = float(d['short_avg_cost'])
+                
+                self.gateway.onPosition(longPosition)
+                self.gateway.onPosition(shortPosition)
     
     #----------------------------------------------------------------------
     def onQueryOrder(self, data, request):