diff --git a/src/com/wentch/redkale/net/Context.java b/src/com/wentch/redkale/net/Context.java
index 0e2d92aea..ef5c0042c 100644
--- a/src/com/wentch/redkale/net/Context.java
+++ b/src/com/wentch/redkale/net/Context.java
@@ -11,6 +11,7 @@ import java.net.*;
 import java.nio.*;
 import java.nio.charset.*;
 import java.util.concurrent.*;
+import java.util.function.*;
 import java.util.logging.*;
 
 /**
@@ -89,6 +90,10 @@ public class Context {
         return bufferCapacity;
     }
 
+    public Supplier<ByteBuffer> getBufferSupplier() {
+        return bufferPool;
+    }
+
     public ByteBuffer pollBuffer() {
         return bufferPool.get();
     }
diff --git a/src/com/wentch/redkale/net/Transport.java b/src/com/wentch/redkale/net/Transport.java
index 58c776aef..a40e99a68 100644
--- a/src/com/wentch/redkale/net/Transport.java
+++ b/src/com/wentch/redkale/net/Transport.java
@@ -13,6 +13,7 @@ import java.nio.channels.*;
 import java.util.*;
 import java.util.concurrent.*;
 import java.util.concurrent.atomic.*;
+import java.util.function.*;
 
 /**
  * 传输客户端
@@ -115,6 +116,10 @@ public final class Transport {
         return bufferPool.get();
     }
 
+    public Supplier<ByteBuffer> getBufferSupplier() {
+        return bufferPool;
+    }
+
     public void offerBuffer(ByteBuffer buffer) {
         bufferPool.offer(buffer);
     }
diff --git a/src/com/wentch/redkale/net/http/HttpContext.java b/src/com/wentch/redkale/net/http/HttpContext.java
index 3c5807013..32d015ea0 100644
--- a/src/com/wentch/redkale/net/http/HttpContext.java
+++ b/src/com/wentch/redkale/net/http/HttpContext.java
@@ -60,10 +60,6 @@ public final class HttpContext extends Context {
         return responsePool;
     }
 
-    protected ObjectPool<ByteBuffer> getBufferPool() {
-        return bufferPool;
-    }
-
     public JsonConvert getJsonConvert() {
         return jsonFactory.getConvert();
     }
diff --git a/src/com/wentch/redkale/net/http/HttpResponse.java b/src/com/wentch/redkale/net/http/HttpResponse.java
index 616c5a1df..b40163940 100644
--- a/src/com/wentch/redkale/net/http/HttpResponse.java
+++ b/src/com/wentch/redkale/net/http/HttpResponse.java
@@ -18,7 +18,6 @@ import java.nio.file.*;
 import java.text.*;
 import java.util.*;
 import java.util.concurrent.atomic.*;
-import java.util.function.*;
 
 /**
  *
@@ -148,10 +147,6 @@ public class HttpResponse<R extends HttpRequest> extends Response<R> {
         return v == null ? defValue : v;
     }
 
-    protected Supplier<ByteBuffer> getByteBufferSupplier() {
-        return ((HttpContext) context).getBufferPool();
-    }
-
     @Override
     public HttpContext getContext() {
         return (HttpContext) context;
@@ -170,17 +165,17 @@ public class HttpResponse<R extends HttpRequest> extends Response<R> {
 
     public void finishJson(Object obj) {
         this.contentType = "text/plain; charset=utf-8";
-        finish(request.convert.convertTo(context.getCharset(), getByteBufferSupplier(), obj));
+        finish(request.convert.convertTo(context.getCharset(), context.getBufferSupplier(), obj));
     }
 
     public void finishJson(Type type, Object obj) {
         this.contentType = "text/plain; charset=utf-8";
-        finish(request.convert.convertTo(context.getCharset(), getByteBufferSupplier(), type, obj));
+        finish(request.convert.convertTo(context.getCharset(), context.getBufferSupplier(), type, obj));
     }
 
     public void finishJson(Object... objs) {
         this.contentType = "text/plain; charset=utf-8";
-        finish(request.convert.convertTo(context.getCharset(), getByteBufferSupplier(), objs));
+        finish(request.convert.convertTo(context.getCharset(), context.getBufferSupplier(), objs));
     }
 
     public void finish(String obj) {