diff --git a/src/org/redkale/net/http/HttpRequest.java b/src/org/redkale/net/http/HttpRequest.java
index b9d4b193c..1748f5004 100644
--- a/src/org/redkale/net/http/HttpRequest.java
+++ b/src/org/redkale/net/http/HttpRequest.java
@@ -109,15 +109,15 @@ public class HttpRequest extends Request<HttpContext> {
         }
         if (this.requestURI.contains("../")) return -1;
         index = ++offset;
-        this.protocol = array.toString(index, array.count() - index, charset).trim();
+        this.protocol = array.toString(index, array.size() - index, charset).trim();
         while (readLine(buffer, array)) {
-            if (array.count() < 2) break;
+            if (array.size() < 2) break;
             index = 0;
             offset = array.find(index, ':');
             if (offset <= 0) return -1;
             String name = array.toString(index, offset, charset).trim();
             index = offset + 1;
-            String value = array.toString(index, array.count() - index, charset).trim();
+            String value = array.toString(index, array.size() - index, charset).trim();
             switch (name) {
                 case "Content-Type":
                     this.contentType = value;
@@ -143,15 +143,15 @@ public class HttpRequest extends Request<HttpContext> {
                     header.addValue(name, value);
             }
         }
-        array.clear();
-        if (buffer.hasRemaining()) array.add(buffer, buffer.remaining());
+        array.reset();
+        if (buffer.hasRemaining()) array.write(buffer, buffer.remaining());
         if (this.contentType != null && this.contentType.contains("boundary=")) {
             this.boundary = true;
         }
-        if(this.boundary) this.keepAlive = false; //文件上传必须设置keepAlive为false，因为文件过大时用户不一定会skip掉多余的数据
+        if (this.boundary) this.keepAlive = false; //文件上传必须设置keepAlive为false，因为文件过大时用户不一定会skip掉多余的数据
         if (this.contentLength > 0 && (this.contentType == null || !this.boundary)) {
             if (this.contentLength > context.getMaxbody()) return -1;
-            int lr = (int) this.contentLength - array.count();
+            int lr = (int) this.contentLength - array.size();
             return lr > 0 ? lr : 0;
         }
         return 0;
@@ -160,7 +160,7 @@ public class HttpRequest extends Request<HttpContext> {
     @Override
     protected int readBody(ByteBuffer buffer) {
         int len = buffer.remaining();
-        array.add(buffer, len);
+        array.write(buffer, len);
         return len;
     }
 
@@ -170,7 +170,7 @@ public class HttpRequest extends Request<HttpContext> {
 
     private void parseBody() {
         if (this.boundary || bodyparsed) return;
-        addParameter(array, 0, array.count());
+        addParameter(array, 0, array.size());
         bodyparsed = true;
     }
 
@@ -195,15 +195,15 @@ public class HttpRequest extends Request<HttpContext> {
 
     private boolean readLine(ByteBuffer buffer, ByteArray bytes) {
         byte lasted = '\r';
-        bytes.clear();
+        bytes.size();
         for (;;) {
             if (!buffer.hasRemaining()) {
-                if (lasted != '\r') bytes.add(lasted);
+                if (lasted != '\r') bytes.write(lasted);
                 return false;
             }
             byte b = buffer.get();
             if (b == -1 || (lasted == '\r' && b == '\n')) break;
-            if (lasted != '\r') bytes.add(lasted);
+            if (lasted != '\r') bytes.write(lasted);
             lasted = b;
         }
         return true;
@@ -286,10 +286,10 @@ public class HttpRequest extends Request<HttpContext> {
      */
     public final MultiContext getMultiContext() {
         return new MultiContext(context.getCharset(), this.getContentType(), this.params,
-                new BufferedInputStream(Channels.newInputStream(this.channel), Math.max(array.count(), 8192)) {
+                new BufferedInputStream(Channels.newInputStream(this.channel), Math.max(array.size(), 8192)) {
             {
-                array.write(this.buf);
-                this.count = array.count();
+                array.copyTo(this.buf);
+                this.count = array.size();
             }
         }, null);
     }
@@ -321,7 +321,7 @@ public class HttpRequest extends Request<HttpContext> {
 
         this.header.clear();
         this.params.clear();
-        this.array.clear();
+        this.array.reset();
         super.recycle();
     }
 
diff --git a/src/org/redkale/net/http/MultiContext.java b/src/org/redkale/net/http/MultiContext.java
index 76aefaa1f..d9434fa31 100644
--- a/src/org/redkale/net/http/MultiContext.java
+++ b/src/org/redkale/net/http/MultiContext.java
@@ -214,22 +214,22 @@ public final class MultiContext {
 
     private String readLine(boolean bd) throws IOException { // bd : 是否是读取boundary
         byte lasted = '\r';
-        buf.clear();
+        buf.reset();
         final int bc = this.endboundarray.length;
         int c = 0;
         for (;;) {
             int b = in.read();
             c++;
             if (b == -1 || (lasted == '\r' && b == '\n')) break;
-            if (lasted != '\r') buf.add(lasted);
+            if (lasted != '\r') buf.write(lasted);
             lasted = (byte) b;
             if (bd && bc == c) {
-                buf.add(lasted);
+                buf.write(lasted);
                 if (buf.equal(this.endboundarray)) break;
                 buf.removeLastByte();
             }
         }
-        if (buf.count() == 0) return "";
+        if (buf.size() == 0) return "";
         return buf.toString(this.charset).trim();
     }
 
diff --git a/src/org/redkale/util/ByteArray.java b/src/org/redkale/util/ByteArray.java
index d45635470..fc908c180 100644
--- a/src/org/redkale/util/ByteArray.java
+++ b/src/org/redkale/util/ByteArray.java
@@ -30,7 +30,7 @@ public final class ByteArray {
         content = new byte[Math.max(128, size)];
     }
 
-    public void clear() {
+    public void reset() {
         this.count = 0;
     }
 
@@ -50,7 +50,7 @@ public final class ByteArray {
         return count == 0;
     }
 
-    public int count() {
+    public int size() {
         return count;
     }
 
@@ -58,7 +58,11 @@ public final class ByteArray {
         return content[index];
     }
 
-    public void write(byte[] buf) {
+    public byte getLastByte() {
+        return content[count - 1];
+    }
+
+    public void copyTo(byte[] buf) {
         System.arraycopy(this.content, 0, buf, 0, count);
     }
 
@@ -91,11 +95,11 @@ public final class ByteArray {
         if (count > 0) count--;
     }
 
-    public void addInt(int value) {
-        add((byte) (value >> 24 & 0xFF), (byte) (value >> 16 & 0xFF), (byte) (value >> 8 & 0xFF), (byte) (value & 0xFF));
+    public void writeInt(int value) {
+        write((byte) (value >> 24 & 0xFF), (byte) (value >> 16 & 0xFF), (byte) (value >> 8 & 0xFF), (byte) (value & 0xFF));
     }
 
-    public void add(byte value) {
+    public void write(byte value) {
         if (count >= content.length - 1) {
             byte[] ns = new byte[content.length + 8];
             System.arraycopy(content, 0, ns, 0, count);
@@ -104,7 +108,7 @@ public final class ByteArray {
         content[count++] = value;
     }
 
-    public void add(byte... values) {
+    public void write(byte... values) {
         if (count >= content.length - values.length) {
             byte[] ns = new byte[content.length + values.length];
             System.arraycopy(content, 0, ns, 0, count);
@@ -114,7 +118,7 @@ public final class ByteArray {
         count += values.length;
     }
 
-    public void add(ByteBuffer buffer, int len) {
+    public void write(ByteBuffer buffer, int len) {
         if (len < 1) return;
         if (count >= content.length - len) {
             byte[] ns = new byte[content.length + len];