diff --git a/examples/vn_trader/run.py b/examples/vn_trader/run.py
index 58a7d4a8..fb06ef2a 100644
--- a/examples/vn_trader/run.py
+++ b/examples/vn_trader/run.py
@@ -7,8 +7,8 @@ from vnpy.trader.ui import MainWindow, create_qapp
 # from vnpy.gateway.bitmex import BitmexGateway
 # from vnpy.gateway.futu import FutuGateway
 # from vnpy.gateway.ib import IbGateway
-# from vnpy.gateway.ctp import CtpGateway
-from vnpy.gateway.ctptest import CtptestGateway
+from vnpy.gateway.ctp import CtpGateway
+# from vnpy.gateway.ctptest import CtptestGateway
 # from vnpy.gateway.femas import FemasGateway
 # from vnpy.gateway.tiger import TigerGateway
 # from vnpy.gateway.oes import OesGateway
@@ -22,7 +22,7 @@ from vnpy.gateway.ctptest import CtptestGateway
 
 # from vnpy.app.cta_strategy import CtaStrategyApp
 # from vnpy.app.csv_loader import CsvLoaderApp
-# from vnpy.app.algo_trading import AlgoTradingApp
+from vnpy.app.algo_trading import AlgoTradingApp
 # from vnpy.app.cta_backtester import CtaBacktesterApp
 # from vnpy.app.data_recorder import DataRecorderApp
 # from vnpy.app.risk_manager import RiskManagerApp
@@ -38,8 +38,8 @@ def main():
 
     # main_engine.add_gateway(BinanceGateway)
     # main_engine.add_gateway(XtpGateway)
-    # main_engine.add_gateway(CtpGateway)
-    main_engine.add_gateway(CtptestGateway)
+    main_engine.add_gateway(CtpGateway)
+    # main_engine.add_gateway(CtptestGateway)
     # main_engine.add_gateway(FemasGateway)
     # main_engine.add_gateway(IbGateway)
     # main_engine.add_gateway(FutuGateway)
@@ -56,7 +56,7 @@ def main():
     # main_engine.add_app(CtaStrategyApp)
     # main_engine.add_app(CtaBacktesterApp)
     # main_engine.add_app(CsvLoaderApp)
-    # main_engine.add_app(AlgoTradingApp)
+    main_engine.add_app(AlgoTradingApp)
     # main_engine.add_app(DataRecorderApp)
     # main_engine.add_app(RiskManagerApp)
 
diff --git a/vnpy/app/algo_trading/algos/grid_algo.py b/vnpy/app/algo_trading/algos/grid_algo.py
index 914def91..9c140a08 100644
--- a/vnpy/app/algo_trading/algos/grid_algo.py
+++ b/vnpy/app/algo_trading/algos/grid_algo.py
@@ -20,7 +20,7 @@ class GridAlgo(AlgoTemplate):
     }
 
     variables = [
-        "last_pos",       
+        "last_pos",
         "timer_count",
         "vt_orderid",
         "traded",
@@ -59,7 +59,7 @@ class GridAlgo(AlgoTemplate):
     def on_tick(self, tick: TickData):
         """"""
         self.last_tick = tick
-    
+
     def on_timer(self):
         """"""
         if not self.last_tick:
@@ -68,15 +68,17 @@ class GridAlgo(AlgoTemplate):
         self.timer_count += 1
         if self.timer_count < self.interval:
             self.put_variables_event()
-            return        
+            return
         self.timer_count = 0
-        
+
         if self.vt_orderid:
-            self.cancel_all()        
+            self.cancel_all()
 
         # Calculate target volume to buy
-        target_buy_distance = (self.price - self.last_tick.ask_price_1) / self.step_price
-        target_buy_position = math.floor(target_buy_distance) * self.step_volume
+        target_buy_distance = (
+            self.price - self.last_tick.ask_price_1) / self.step_price
+        target_buy_position = math.floor(
+            target_buy_distance) * self.step_volume
         target_buy_volume = target_buy_position - self.last_pos
 
         # Buy when price dropping
@@ -86,10 +88,12 @@ class GridAlgo(AlgoTemplate):
                 self.last_tick.ask_price_1,
                 min(target_buy_volume, self.last_tick.ask_volume_1)
             )
-        
+
         # Calculate target volume to sell
-        target_sell_distance = (self.price - self.last_tick.bid_price_1) / self.step_price
-        target_sell_position = math.ceil(target_sell_distance) * self.step_volume
+        target_sell_distance = (
+            self.price - self.last_tick.bid_price_1) / self.step_price
+        target_sell_position = math.ceil(
+            target_sell_distance) * self.step_volume
         target_sell_volume = self.last_pos - target_sell_position
 
         # Sell when price rising
@@ -117,7 +121,7 @@ class GridAlgo(AlgoTemplate):
             self.stop()
         else:
             self.put_variables_event()
-   
+
     def update_last_pos(self, pos, trade: TradeData):
         """"""
         if trade.direction == Direction.LONG:
diff --git a/vnpy/app/algo_trading/ui/display.py b/vnpy/app/algo_trading/ui/display.py
index 4f7b9502..5bbbe2e5 100644
--- a/vnpy/app/algo_trading/ui/display.py
+++ b/vnpy/app/algo_trading/ui/display.py
@@ -12,5 +12,16 @@ NAME_DISPLAY_MAP = {
     "timer_count": "本轮读秒",
     "total_count": "累计读秒",
     "template_name": "算法模板",
-    "display_volume": "挂出数量"
+    "display_volume": "挂出数量",
+    "stop_price": "触发价格",
+    "price_add": "委托超价",
+    "trade_count": "交易次数限制",
+    "step_price": "网格交易间距",
+    "step_volume": "网格交易数量",
+    "order_type": "类型",
+    "active_vt_symbol": "主动腿",
+    "passive_vt_symbol": "被动腿",
+    "spread_up": "价差上限",
+    "spread_down": "价差下限",
+    "max_pos": "最大持仓"
 }