diff --git a/vnpy/api/okex/__init__.py b/vnpy/api/okex/__init__.py
index ff9012b2..a55eb22f 100644
--- a/vnpy/api/okex/__init__.py
+++ b/vnpy/api/okex/__init__.py
@@ -1,3 +1,3 @@
 # encoding: UTF-8
 
-from vnokex import OkexSpotApi , OkexFuturesApi , okex_all_symbol_pairs , CONTRACT_SYMBOL , SPOT_CURRENCY
\ No newline at end of file
+from vnokex import OkexSpotApi, OkexFuturesApi, CONTRACT_SYMBOL, SPOT_CURRENCY
\ No newline at end of file
diff --git a/vnpy/api/okex/test.py b/vnpy/api/okex/test.py
index 80724a18..c85a365d 100644
--- a/vnpy/api/okex/test.py
+++ b/vnpy/api/okex/test.py
@@ -14,13 +14,13 @@ api.connect(apiKey, secretKey, True)
 sleep(3)
 
 #api.login()
-#api.subscribeSpotTicker("bch_btc")
-#api.subscribeSpotDepth("bch_btc")
-#api.subscribeSpotDepth5("bch_btc")
-#api.subscribeSpotDeals("bch_btc")
-#api.subscribeSpotKlines("bch_btc","30min")
+api.subscribeSpotTicker("bch_btc")
+api.subscribeSpotDepth("bch_btc")
+api.subscribeSpotDepth("bch_btc", 5)
+api.subscribeSpotDeals("bch_btc")
+api.subscribeSpotKlines("bch_btc","30min")
 
-api.spotTrade("etc_usdt","sell", "50" , "0.01")
+#api.spotTrade("etc_usdt","sell", "50" , "0.01")
 #api.spotCancelOrder("etc_btc","44274138")
 #api.spotUserInfo()
 #api.spotOrderInfo("etc_btc", 44284731)
@@ -30,9 +30,9 @@ api.spotTrade("etc_usdt","sell", "50" , "0.01")
 
 # sleep(3)
 #api.subsribeFutureTicker("btc","this_week")
-#api.subscribeFutureKline("btc","this_week","30min")
+#api.subscribeFutureKline("btc","this_week", "30min")
 #api.subscribeFutureDepth("btc","this_week")
-#api.subscribeFutureDepth20("btc","this_week")
+#api.subscribeFutureDepth("btc","this_week", 5)
 #api.subscribeFutureTrades("btc","this_week")
 #api.subscribeFutureIndex("btc")
 #api.subscribeFutureForecast_price("btc")
@@ -46,4 +46,6 @@ api.spotTrade("etc_usdt","sell", "50" , "0.01")
 
 '''
 合约账户信息、 持仓信息等，在登录后都会自动推送。。。官方文档这样写的，还没实际验证过
-'''
\ No newline at end of file
+'''
+
+input()
\ No newline at end of file
diff --git a/vnpy/api/okex/vnokex.py b/vnpy/api/okex/vnokex.py
index f9c20ae1..cb565ecc 100644
--- a/vnpy/api/okex/vnokex.py
+++ b/vnpy/api/okex/vnokex.py
@@ -245,7 +245,7 @@ class OkexSpotApi(OkexApi):
 
     #----------------------------------------------------------------------
     def subscribeSpotKlines(self, symbol, period):
-        channel = 'ok_sub_spot_%s_kline_%s' %symbol
+        channel = 'ok_sub_spot_%s_kline_%s' %(symbol, period)
         self.sendDataRequest(channel)
 
     #----------------------------------------------------------------------
@@ -325,9 +325,11 @@ class OkexFuturesApi(OkexApi):
         self.sendDataRequest(channel)
 
     #----------------------------------------------------------------------
-    def subscribeFuturesDepth(self, symbol, contractType):
+    def subscribeFuturesDepth(self, symbol, contractType, depth=0):
         """订阅期货深度"""
-        channel = 'ok_sub_future_%s_depth_%s_usd' %(symbol, contractType)
+        channel = 'ok_sub_futureusd_%s_depth_%s' %(symbol, contractType)
+        if depth:
+            channel = channel + '_' + str(depth)
         self.sendDataRequest(channel)
 
     #----------------------------------------------------------------------
diff --git a/vnpy/trader/uiBasicWidget.py b/vnpy/trader/uiBasicWidget.py
index e1db5059..d43dba1b 100644
--- a/vnpy/trader/uiBasicWidget.py
+++ b/vnpy/trader/uiBasicWidget.py
@@ -1026,6 +1026,7 @@ class TradingWidget(QtWidgets.QFrame):
     def sendOrder(self):
         """发单"""
         symbol = str(self.lineSymbol.text())
+        vtSymbol = symbol
         exchange = unicode(self.comboExchange.currentText())
         currency = unicode(self.comboCurrency.currentText())
         productClass = unicode(self.comboProductClass.currentText())           
@@ -1046,7 +1047,7 @@ class TradingWidget(QtWidgets.QFrame):
         req = VtOrderReq()
         req.symbol = symbol
         req.exchange = exchange
-        req.vtSymbol = contract.vtSymbol
+            vtSymbol = contract.vtSymbol
         req.price = self.spinPrice.value()
         req.volume = self.spinVolume.value()
         req.direction = unicode(self.comboDirection.currentText())