diff --git a/Service/TBox/Codec/Decoder.cs b/Service/TBox/Codec/Decoder.cs
index 7ca0e25..17b25ae 100644
--- a/Service/TBox/Codec/Decoder.cs
+++ b/Service/TBox/Codec/Decoder.cs
@@ -32,7 +32,7 @@ public class Decoder : ByteToMessageDecoder
 
             Log.Info($"receive {BitUtls.BytesToHexStr(bytes)}");
 
-            int id = BitConverter.ToInt32(new byte[] { bytes[4], bytes[3], bytes[2], bytes[1] }, 0);
+            int id = BitConverter.ToInt32(new byte[] { bytes[3], bytes[2], bytes[1], bytes[0] }, 0);
             Log.Info(
                 $"receive id={id} {BitUtls.BytesToHexStr(BitConverter.GetBytes(0x1882D0F3))} {BitUtls.BytesToHexStr(BitConverter.GetBytes(4090528280))}");
             BaseMsg baseMsg = id switch
diff --git a/Service/TBox/Codec/Encoder.cs b/Service/TBox/Codec/Encoder.cs
index c30d6b3..fcbaee5 100644
--- a/Service/TBox/Codec/Encoder.cs
+++ b/Service/TBox/Codec/Encoder.cs
@@ -19,6 +19,8 @@ public class Encoder : MessageToByteEncoder<BaseMsg>
     protected override void Encode(IChannelHandlerContext context, BaseMsg obj, IByteBuffer output)
     {
         byte[] bytes = obj.ToBytes();
-        output.WriteBytes(bytes);
+        byte[] result =
+            { 0, bytes[0], bytes[1], bytes[2], bytes[3], bytes[4], bytes[5], bytes[6], bytes[7], 0, 0, 0, 0 };
+        output.WriteBytes(result);
     }
 }