diff --git a/src/org/redkale/convert/Reader.java b/src/org/redkale/convert/Reader.java
index 1b940f77b..428aadceb 100644
--- a/src/org/redkale/convert/Reader.java
+++ b/src/org/redkale/convert/Reader.java
@@ -107,6 +107,13 @@ public abstract class Reader {
      */
     public abstract byte readByte();
 
+    /**
+     * 读取byte[]
+     *
+     * @return byte[]
+     */
+    public abstract byte[] readByteArray();
+
     /**
      * 读取一个char值
      *
diff --git a/src/org/redkale/convert/Writer.java b/src/org/redkale/convert/Writer.java
index dad5fb005..190165251 100644
--- a/src/org/redkale/convert/Writer.java
+++ b/src/org/redkale/convert/Writer.java
@@ -182,6 +182,13 @@ public abstract class Writer {
      */
     public abstract void writeByte(byte value);
 
+    /**
+     * 写入byte[]
+     *
+     * @param values byte[]
+     */
+    public abstract void writeByteArray(byte[] values);
+
     /**
      * 写入一个char值
      *
diff --git a/src/org/redkale/convert/bson/BsonReader.java b/src/org/redkale/convert/bson/BsonReader.java
index 930e8cdbd..2507aea81 100644
--- a/src/org/redkale/convert/bson/BsonReader.java
+++ b/src/org/redkale/convert/bson/BsonReader.java
@@ -248,6 +248,35 @@ public class BsonReader extends Reader {
         return content[++this.position];
     }
 
+    @Override
+    public final byte[] readByteArray() {
+        int len = readArrayB();
+        if (len == Reader.SIGN_NULL) return null;
+        if (len == Reader.SIGN_NOLENGTH) {
+            int size = 0;
+            byte[] data = new byte[8];
+            while (hasNext()) {
+                if (size >= data.length) {
+                    byte[] newdata = new byte[data.length + 4];
+                    System.arraycopy(data, 0, newdata, 0, size);
+                    data = newdata;
+                }
+                data[size++] = readByte();
+            }
+            readArrayE();
+            byte[] newdata = new byte[size];
+            System.arraycopy(data, 0, newdata, 0, size);
+            return newdata;
+        } else {
+            byte[] values = new byte[len];
+            for (int i = 0; i < values.length; i++) {
+                values[i] = readByte();
+            }
+            readArrayE();
+            return values;
+        }
+    }
+
     @Override
     public char readChar() {
         return (char) ((0xff00 & (content[++this.position] << 8)) | (0xff & content[++this.position]));
diff --git a/src/org/redkale/convert/bson/BsonWriter.java b/src/org/redkale/convert/bson/BsonWriter.java
index 3102951cc..cee5b5616 100644
--- a/src/org/redkale/convert/bson/BsonWriter.java
+++ b/src/org/redkale/convert/bson/BsonWriter.java
@@ -125,6 +125,22 @@ public class BsonWriter extends Writer {
         writeTo(value);
     }
 
+    @Override
+    public final void writeByteArray(byte[] values) {
+        if (values == null) {
+            writeNull();
+            return;
+        }
+        writeArrayB(values.length);
+        boolean flag = false;
+        for (byte v : values) {
+            if (flag) writeArrayMark();
+            writeByte(v);
+            flag = true;
+        }
+        writeArrayE();
+    }
+
     @Override
     public final void writeChar(final char value) {
         writeTo((byte) ((value & 0xFF00) >> 8), (byte) (value & 0xFF));
diff --git a/src/org/redkale/convert/ext/ByteArraySimpledCoder.java b/src/org/redkale/convert/ext/ByteArraySimpledCoder.java
index 7596897ca..088c0d273 100644
--- a/src/org/redkale/convert/ext/ByteArraySimpledCoder.java
+++ b/src/org/redkale/convert/ext/ByteArraySimpledCoder.java
@@ -11,7 +11,7 @@ import org.redkale.convert.Writer;
 
 /**
  * byte[] 的SimpledCoder实现
- * 
+ *
  * <p>
  * 详情见: https://redkale.org
  *
@@ -25,47 +25,12 @@ public final class ByteArraySimpledCoder<R extends Reader, W extends Writer> ext
 
     @Override
     public void convertTo(W out, byte[] values) {
-        if (values == null) {
-            out.writeNull();
-            return;
-        }
-        out.writeArrayB(values.length);
-        boolean flag = false;
-        for (byte v : values) {
-            if (flag) out.writeArrayMark();
-            out.writeByte(v);
-            flag = true;
-        }
-        out.writeArrayE();
+        out.writeByteArray(values);
     }
 
     @Override
     public byte[] convertFrom(R in) {
-        int len = in.readArrayB();
-        if (len == Reader.SIGN_NULL) return null;
-        if (len == Reader.SIGN_NOLENGTH) {
-            int size = 0;
-            byte[] data = new byte[8];
-            while (in.hasNext()) {
-                if (size >= data.length) {
-                    byte[] newdata = new byte[data.length + 4];
-                    System.arraycopy(data, 0, newdata, 0, size);
-                    data = newdata;
-                }
-                data[size++] = in.readByte();
-            }
-            in.readArrayE();
-            byte[] newdata = new byte[size];
-            System.arraycopy(data, 0, newdata, 0, size);
-            return newdata;
-        } else {
-            byte[] values = new byte[len];
-            for (int i = 0; i < values.length; i++) {
-                values[i] = in.readByte();
-            }
-            in.readArrayE();
-            return values;
-        }
+        return in.readByteArray();
     }
 
 }
diff --git a/src/org/redkale/convert/json/JsonReader.java b/src/org/redkale/convert/json/JsonReader.java
index 05a35fe79..ba4621f4e 100644
--- a/src/org/redkale/convert/json/JsonReader.java
+++ b/src/org/redkale/convert/json/JsonReader.java
@@ -453,6 +453,35 @@ public class JsonReader extends Reader {
         return (byte) readInt();
     }
 
+    @Override
+    public final byte[] readByteArray() {
+        int len = readArrayB();
+        if (len == Reader.SIGN_NULL) return null;
+        if (len == Reader.SIGN_NOLENGTH) {
+            int size = 0;
+            byte[] data = new byte[8];
+            while (hasNext()) {
+                if (size >= data.length) {
+                    byte[] newdata = new byte[data.length + 4];
+                    System.arraycopy(data, 0, newdata, 0, size);
+                    data = newdata;
+                }
+                data[size++] = readByte();
+            }
+            readArrayE();
+            byte[] newdata = new byte[size];
+            System.arraycopy(data, 0, newdata, 0, size);
+            return newdata;
+        } else {
+            byte[] values = new byte[len];
+            for (int i = 0; i < values.length; i++) {
+                values[i] = readByte();
+            }
+            readArrayE();
+            return values;
+        }
+    }
+
     @Override
     public final char readChar() {
         return (char) readInt();
diff --git a/src/org/redkale/convert/json/JsonWriter.java b/src/org/redkale/convert/json/JsonWriter.java
index 83c864fe6..c6b37698a 100644
--- a/src/org/redkale/convert/json/JsonWriter.java
+++ b/src/org/redkale/convert/json/JsonWriter.java
@@ -188,6 +188,22 @@ public class JsonWriter extends Writer {
         writeInt(value);
     }
 
+    @Override
+    public final void writeByteArray(byte[] values) {
+        if (values == null) {
+            writeNull();
+            return;
+        }
+        writeArrayB(values.length);
+        boolean flag = false;
+        for (byte v : values) {
+            if (flag) writeArrayMark();
+            writeByte(v);
+            flag = true;
+        }
+        writeArrayE();
+    }
+
     @Override
     public final void writeChar(char value) {
         writeInt(value);