diff --git a/MtApi5/Mt5CommandType.cs b/MtApi5/Mt5CommandType.cs
index f4540199..2a0cc27e 100755
--- a/MtApi5/Mt5CommandType.cs
+++ b/MtApi5/Mt5CommandType.cs
@@ -5,7 +5,7 @@
         //NoCommand = 0
 
         //trade operations
-        OrderSend                           = 1,
+        //OrderSend                           = 1,
         OrderCalcMargin                     = 2,
         OrderCalcProfit                     = 3,
         OrderCheck                          = 4,
diff --git a/MtApi5/MtApi5Client.cs b/MtApi5/MtApi5Client.cs
index 8a746d0d..193099b2 100755
--- a/MtApi5/MtApi5Client.cs
+++ b/MtApi5/MtApi5Client.cs
@@ -123,15 +123,6 @@ namespace MtApi5
 
             result = response?.Value?.TradeResult;
             return response?.Value != null && response.Value.RetVal;
-
-
-            //var commandParameters = request.ToArrayList();
-
-            //var strResult = SendCommand<string>(Mt5CommandType.OrderSend, commandParameters);
-
-            //Log.Debug($"OrderSend: strResult = {strResult}");
-
-            //return strResult.ParseResult(ParamSeparator, out result); 
         }
 
         ///<summary>
@@ -205,7 +196,7 @@ namespace MtApi5
 
             var commandParameters = request.ToArrayList();
 
-            var strResult = SendCommand<string>(Mt5CommandType.OrderSend, commandParameters);
+            var strResult = SendCommand<string>(Mt5CommandType.OrderCheck, commandParameters);
 
             return strResult.ParseResult(ParamSeparator, out result); 
         }
diff --git a/TestClients/MtApi5TestClient/MainWindow.xaml b/TestClients/MtApi5TestClient/MainWindow.xaml
index 6cf14510..c0cf3dff 100755
--- a/TestClients/MtApi5TestClient/MainWindow.xaml
+++ b/TestClients/MtApi5TestClient/MainWindow.xaml
@@ -247,10 +247,10 @@
                                           SelectedItem="{Binding TradeRequest.Type_time}" Margin="5,0,0,0"/>
                                 
                                 <TextBlock Grid.Column="2" Grid.Row="6" Text="Expiration" Margin="10,0,0,0"/>
-                                <TextBox Grid.Column="3" Grid.Row="6" Text="{Binding TradeRequest}" Margin="5,0,0,0"/>
+                                <TextBox Grid.Column="3" Grid.Row="6" Text="{Binding TradeRequest.Expiration}" Margin="5,0,0,0"/>
                                 
                                 <TextBlock Grid.Column="0" Grid.Row="7" Text="Comment"/>
-                                <TextBox Grid.Column="1" Grid.Row="7" Grid.ColumnSpan="3" Text="{Binding TradeRequest}" Margin="5,0,0,0"/>
+                                <TextBox Grid.Column="1" Grid.Row="7" Grid.ColumnSpan="3" Text="{Binding TradeRequest.Comment}" Margin="5,0,0,0"/>
                             </Grid>
                         </Expander>
 
diff --git a/mq5/MtApi5.ex5 b/mq5/MtApi5.ex5
index e50b4d47..7f4f8dd1 100755
Binary files a/mq5/MtApi5.ex5 and b/mq5/MtApi5.ex5 differ
diff --git a/mq5/MtApi5.mq5 b/mq5/MtApi5.mq5
index 10c389fc..cb2bc99e 100755
--- a/mq5/MtApi5.mq5
+++ b/mq5/MtApi5.mq5
@@ -39,7 +39,7 @@
    bool getBooleanValue(int expertHandle, int paramIndex, bool& res, string& err);
 #import
 
-#define __DEBUG_LOG__
+//#define __DEBUG_LOG__
 
 input int Port = 8228;
 
@@ -5833,8 +5833,8 @@ bool JsonToMqlTradeRequest(JSONObject *jo, MqlTradeRequest& request)
    CHECK_JSON_VALUE(jo, "Type_time", false);
    request.type_time = (ENUM_ORDER_TYPE_TIME)jo.getInt("Type_time");
    
-   //Expiration
-   CHECK_JSON_VALUE(jo, "Expiration", false);
+   //MtExpiration
+   CHECK_JSON_VALUE(jo, "MtExpiration", false);
    request.expiration = (datetime)jo.getInt("MtExpiration");
 
    //Comment