diff --git a/src/JTNE.Protocol/Extensions/JTNEDateTimeExtensions.cs b/src/JTNE.Protocol/Extensions/JTNEDateTimeExtensions.cs
index 8c51102..2a22c3c 100644
--- a/src/JTNE.Protocol/Extensions/JTNEDateTimeExtensions.cs
+++ b/src/JTNE.Protocol/Extensions/JTNEDateTimeExtensions.cs
@@ -107,7 +107,7 @@ namespace JTNE.Protocol.Extensions {
         /// <summary>
         /// 
         /// </summary>
-        /// <param name="memoryOwner"></param>
+        /// <param name="bytes"></param>
         /// <param name="offset"></param>
         /// <param name="date"></param>
         /// <returns></returns>
diff --git a/src/JTNE.Protocol/Extensions/JTNEHexExtensions.cs b/src/JTNE.Protocol/Extensions/JTNEHexExtensions.cs
index a3c0cd7..e80957c 100644
--- a/src/JTNE.Protocol/Extensions/JTNEHexExtensions.cs
+++ b/src/JTNE.Protocol/Extensions/JTNEHexExtensions.cs
@@ -4,42 +4,34 @@ using System.Collections.Generic;
 using System.Linq;
 using System.Text;
 
-namespace JTNE.Protocol.Extensions
-{
+namespace JTNE.Protocol.Extensions {
     /// <summary>
     /// 
     /// ref:"www.codeproject.com/tips/447938/high-performance-csharp-byte-array-to-hex-string-t"
     /// </summary>
-    public static partial class JTNEBinaryExtensions
-    {
-        public static string ToHexString(this byte[] source)
-        {
-            return HexUtil.DoHexDump(source,0, source.Length).ToUpper();
+    public static partial class JTNEBinaryExtensions {
+        public static string ToHexString (this byte[] source) {
+            return HexUtil.DoHexDump (source, 0, source.Length).ToUpper ();
         }
 
-        public static int WriteHexStringLittle(byte[] bytes, int offset, string data, int len)
-        {
+        public static int WriteHexStringLittle (byte[] bytes, int offset, string data, int len) {
             if (data == null) data = "";
-            data = data.Replace(" ", "");
+            data = data.Replace (" ", "");
             int startIndex = 0;
-            if (data.StartsWith("0x", StringComparison.OrdinalIgnoreCase))
-            {
+            if (data.StartsWith ("0x", StringComparison.OrdinalIgnoreCase)) {
                 startIndex = 2;
             }
             int length = len;
-            if (length == -1)
-            {
+            if (length == -1) {
                 length = (data.Length - startIndex) / 2;
             }
             int noOfZero = length * 2 + startIndex - data.Length;
-            if (noOfZero > 0)
-            {
-                data = data.Insert(startIndex, new string('0', noOfZero));
+            if (noOfZero > 0) {
+                data = data.Insert (startIndex, new string ('0', noOfZero));
             }
             int byteIndex = 0;
-            while (startIndex < data.Length && byteIndex < length)
-            {
-                bytes[offset+byteIndex] = Convert.ToByte(data.Substring(startIndex, 2), 16);
+            while (startIndex < data.Length && byteIndex < length) {
+                bytes[offset + byteIndex] = Convert.ToByte (data.Substring (startIndex, 2), 16);
                 startIndex += 2;
                 byteIndex++;
             }
@@ -50,27 +42,22 @@ namespace JTNE.Protocol.Extensions
         /// 16进制字符串转16进制数组
         /// </summary>
         /// <param name="hexString"></param>
-        /// <param name="separator"></param>
         /// <returns></returns>
-        public static byte[] ToHexBytes(this string hexString)
-        {
-            hexString = hexString.Replace(" ", "");
+        public static byte[] ToHexBytes (this string hexString) {
+            hexString = hexString.Replace (" ", "");
             byte[] buf = new byte[hexString.Length / 2];
-            ReadOnlySpan<char> readOnlySpan = hexString.AsSpan();
-            for (int i = 0; i < hexString.Length; i++)
-            {
-                if (i % 2 == 0)
-                {
-                    buf[i / 2] = Convert.ToByte(readOnlySpan.Slice(i, 2).ToString(), 16);
+            ReadOnlySpan<char> readOnlySpan = hexString.AsSpan ();
+            for (int i = 0; i < hexString.Length; i++) {
+                if (i % 2 == 0) {
+                    buf[i / 2] = Convert.ToByte (readOnlySpan.Slice (i, 2).ToString (), 16);
                 }
             }
             return buf;
         }
 
-        public static string ReadHexStringLittle(ReadOnlySpan<byte> read, ref int offset, int len)
-        {
-            ReadOnlySpan<byte> source = read.Slice(offset, len);
-            string hex = HexUtil.DoHexDump(read, offset, len);
+        public static string ReadHexStringLittle (ReadOnlySpan<byte> read, ref int offset, int len) {
+            ReadOnlySpan<byte> source = read.Slice (offset, len);
+            string hex = HexUtil.DoHexDump (read, offset, len);
             offset += len;
             return hex;
         }
@@ -78,53 +65,44 @@ namespace JTNE.Protocol.Extensions
         /// <summary>
         /// ref dotnetty 
         /// </summary>
-        static class HexUtil
-        {
+        static class HexUtil {
             static readonly char[] HexdumpTable = new char[256 * 4];
 
-            static HexUtil()
-            {
-                char[] digits = "0123456789abcdef".ToCharArray();
-                for (int i = 0; i < 256; i++)
-                {
-                    HexdumpTable[i << 1] = digits[(int)((uint)i >> 4 & 0x0F)];
+            static HexUtil () {
+                char[] digits = "0123456789abcdef".ToCharArray ();
+                for (int i = 0; i < 256; i++) {
+                    HexdumpTable[i << 1] = digits[(int) ((uint) i >> 4 & 0x0F)];
                     HexdumpTable[(i << 1) + 1] = digits[i & 0x0F];
                 }
             }
 
-            public static string DoHexDump(ReadOnlySpan<byte> buffer, int fromIndex, int length)
-            {
-                if (length == 0)
-                {
+            public static string DoHexDump (ReadOnlySpan<byte> buffer, int fromIndex, int length) {
+                if (length == 0) {
                     return "";
                 }
                 int endIndex = fromIndex + length;
                 var buf = new char[length << 1];
                 int srcIdx = fromIndex;
                 int dstIdx = 0;
-                for (; srcIdx < endIndex; srcIdx++, dstIdx += 2)
-                {
-                    Array.Copy(HexdumpTable, buffer[srcIdx] << 1,buf, dstIdx, 2);
+                for (; srcIdx < endIndex; srcIdx++, dstIdx += 2) {
+                    Array.Copy (HexdumpTable, buffer[srcIdx] << 1, buf, dstIdx, 2);
                 }
-                return new string(buf);
+                return new string (buf);
             }
 
-            public static string DoHexDump(byte[] array, int fromIndex, int length)
-            {
-                if (length == 0)
-                {
+            public static string DoHexDump (byte[] array, int fromIndex, int length) {
+                if (length == 0) {
                     return "";
                 }
                 int endIndex = fromIndex + length;
                 var buf = new char[length << 1];
                 int srcIdx = fromIndex;
                 int dstIdx = 0;
-                for (; srcIdx < endIndex; srcIdx++, dstIdx += 2)
-                {
-                    Array.Copy(HexdumpTable, (array[srcIdx] & 0xFF) << 1, buf, dstIdx, 2);
-               }
-                return new string(buf);
+                for (; srcIdx < endIndex; srcIdx++, dstIdx += 2) {
+                    Array.Copy (HexdumpTable, (array[srcIdx] & 0xFF) << 1, buf, dstIdx, 2);
+                }
+                return new string (buf);
             }
         }
     }
-}
+}
\ No newline at end of file
diff --git a/src/JTNE.Protocol/JTNE.Protocol.csproj b/src/JTNE.Protocol/JTNE.Protocol.csproj
index d238415..ee7579b 100644
--- a/src/JTNE.Protocol/JTNE.Protocol.csproj
+++ b/src/JTNE.Protocol/JTNE.Protocol.csproj
@@ -22,10 +22,6 @@
     <NoWarn>1591</NoWarn>
   </PropertyGroup>
 
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|AnyCPU'">
-    <DocumentationFile>bin\$(Configuration)\$(TargetFramework)\JTNE.Protocol.xml</DocumentationFile>
-  </PropertyGroup>
-
   <ItemGroup>
     <Compile Remove="Formatters\MessageBodyFormatters\JTNE_0x80Reply_0x01Formatter.cs" />
     <Compile Remove="Formatters\MessageBodyFormatters\JTNE_0x80Reply_0x02Formatter.cs" />