diff --git a/Service/Charger/Codec/Decoder.cs b/Service/Charger/Codec/Decoder.cs
index 4afc699..7a58bf3 100644
--- a/Service/Charger/Codec/Decoder.cs
+++ b/Service/Charger/Codec/Decoder.cs
@@ -124,8 +124,8 @@ public class Decoder : ByteToMessageDecoder
 
         int removeIndex = delimiter.Capacity;
 
-        ushort cmd = byteBuffer.GetByte(14 + removeIndex);
-        ushort recordType = byteBuffer.GetByte(23 + removeIndex);
+        ushort cmd =data[14 + removeIndex];
+        ushort recordType = data[23 + removeIndex];
         byte[] bytes = new byte[data.Length - (23 + removeIndex)];
         Array.Copy(data, 23 + removeIndex, bytes, 0, bytes.Length);
         ASDU asdu = cmd switch
@@ -248,7 +248,7 @@ public class Decoder : ByteToMessageDecoder
 
             _ => new ASDU()
         };
-        ASDU.ParseHeader(byteBuffer, asdu);
+        ASDU.ParseHeader(data, asdu);
 
         return asdu;
     }
diff --git a/Service/Charger/Msg/ASDU.cs b/Service/Charger/Msg/ASDU.cs
index b452977..1a9f948 100644
--- a/Service/Charger/Msg/ASDU.cs
+++ b/Service/Charger/Msg/ASDU.cs
@@ -46,29 +46,41 @@ public class ASDU : APCI
     }
 
 
-    public static void ParseHeader(IByteBuffer byteBuffer, ASDU asdu)
+    public static void ParseHeader(byte[] data, ASDU asdu)
     {
-        var start = ChargerConst.StartChar.Length - 1;
+        IByteBuffer byteBuffer = Unpooled.WrappedBuffer(data);
+        try
+        {
+            var start = ChargerConst.StartChar.Length - 1;
 
-        asdu.PackLen = byteBuffer.GetUnsignedShortLE(start + 1);
-        asdu.CtlArea = byteBuffer.GetUnsignedInt(start + 3);
-        asdu.DestAddr = new[]
+            asdu.PackLen = byteBuffer.GetUnsignedShortLE(start + 1);
+            asdu.CtlArea = byteBuffer.GetUnsignedInt(start + 3);
+            asdu.DestAddr = new[]
+            {
+                byteBuffer.GetByte(start + 7),
+                byteBuffer.GetByte(start + 8),
+                byteBuffer.GetByte(start + 9),
+                byteBuffer.GetByte(start + 10)
+            };
+            asdu.SrcAddr = byteBuffer.GetUnsignedInt(start + 11);
+            asdu.FrameTypeNo = byteBuffer.GetByte(start + 15);
+            asdu.MsgBodyCount = byteBuffer.GetByte(start + 16);
+            asdu.TransReason = byteBuffer.GetUnsignedShortLE(start + 17);
+            asdu.PublicAddr = byteBuffer.GetUnsignedShortLE(start + 19);
+            asdu.MsgBodyAddr = new[]
+            {
+                byteBuffer.GetByte(start + 21),
+                byteBuffer.GetByte(start + 22),
+                byteBuffer.GetByte(start + 23)
+            };
+        }
+        catch (Exception e)
         {
-            byteBuffer.GetByte(start + 7),
-            byteBuffer.GetByte(start + 8),
-            byteBuffer.GetByte(start + 9),
-            byteBuffer.GetByte(start + 10)
-        };
-        asdu.SrcAddr = byteBuffer.GetUnsignedInt(start + 11);
-        asdu.FrameTypeNo = byteBuffer.GetByte(start + 15);
-        asdu.MsgBodyCount = byteBuffer.GetByte(start + 16);
-        asdu.TransReason = byteBuffer.GetUnsignedShortLE(start + 17);
-        asdu.PublicAddr = byteBuffer.GetUnsignedShortLE(start + 19);
-        asdu.MsgBodyAddr = new[]
+            throw e;
+        }
+        finally
         {
-            byteBuffer.GetByte(start + 21),
-            byteBuffer.GetByte(start + 22),
-            byteBuffer.GetByte(start + 23)
-        };
+            byteBuffer.Release();
+        }
     }
-}
\ No newline at end of file
+}