diff --git a/Service/Car/Codec/Decoder.cs b/Service/Car/Codec/Decoder.cs
index a8dc698..66b6896 100644
--- a/Service/Car/Codec/Decoder.cs
+++ b/Service/Car/Codec/Decoder.cs
@@ -114,4 +114,5 @@ public class Decoder : ByteToMessageDecoder
 
         return -1;
     }
-}
\ No newline at end of file
+}
+
diff --git a/Service/Car/Codec/Encoder.cs b/Service/Car/Codec/Encoder.cs
index ea80435..e8319eb 100644
--- a/Service/Car/Codec/Encoder.cs
+++ b/Service/Car/Codec/Encoder.cs
@@ -1,6 +1,7 @@
 using DotNetty.Buffers;
 using DotNetty.Codecs;
 using DotNetty.Transport.Channels;
+using HybirdFrameworkCore.Utils;
 using log4net;
 using Service.Car.Common;
 using Service.Car.Msg;
@@ -8,14 +9,14 @@ using Service.Car.Msg;
 namespace Service.Car.Codec;
 
 /// <summary>
-/// 
+///
 /// </summary>
 public class Encoder : MessageToByteEncoder<BaseMsg>
 {
     private static readonly ILog Log = LogManager.GetLogger(typeof(Encoder));
 
     /// <summary>
-    /// 
+    ///
     /// </summary>
     /// <param name="context"></param>
     /// <param name="obj"></param>
@@ -25,6 +26,8 @@ public class Encoder : MessageToByteEncoder<BaseMsg>
         byte[] bytes = obj.ToBytes();
         List<byte> list = new List<byte>(bytes);
         list.AddRange(CarConst.EndChar);
-        output.WriteBytes(list.ToArray());
+        byte[] result = list.ToArray();
+        Log.Info($"send {BitUtls.BytesToHexStr(result)}");
+        output.WriteBytes(result);
     }
-}
\ No newline at end of file
+}