diff --git a/protocol/src/test/java/mc/protocol/buffer/NetByteBufReadTest.java b/protocol/src/test/java/mc/protocol/buffer/NetByteBufReadTest.java
index 1fe676a..839e9b1 100644
--- a/protocol/src/test/java/mc/protocol/buffer/NetByteBufReadTest.java
+++ b/protocol/src/test/java/mc/protocol/buffer/NetByteBufReadTest.java
@@ -1,6 +1,7 @@
 package mc.protocol.buffer;
 
 import io.netty.buffer.Unpooled;
+import mc.protocol.pool.UnpooledNetByteBuf;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.params.ParameterizedTest;
@@ -33,7 +34,7 @@ class NetByteBufReadTest {
 	void readBoolean(byte sourceByte, boolean expectedValue) {
 		baos.write(sourceByte);
 
-		NetByteBuf netByteBuf = new NetByteBuf(Unpooled.wrappedBuffer(baos.toByteArray()));
+		NetByteBuf netByteBuf = new UnpooledNetByteBuf(Unpooled.wrappedBuffer(baos.toByteArray()));
 
 		assertEquals(expectedValue, netByteBuf.readBoolean());
 	}
@@ -44,7 +45,7 @@ class NetByteBufReadTest {
 		random.nextBytes(bytes);
 		baos.write(bytes[0]);
 
-		NetByteBuf netByteBuf = new NetByteBuf(Unpooled.wrappedBuffer(baos.toByteArray()));
+		NetByteBuf netByteBuf = new UnpooledNetByteBuf(Unpooled.wrappedBuffer(baos.toByteArray()));
 
 		assertEquals(bytes[0], netByteBuf.readByte());
 	}
@@ -54,7 +55,7 @@ class NetByteBufReadTest {
 	void readUnsignedByte(byte sourceByte, int expectedValue) {
 		baos.write(sourceByte);
 
-		NetByteBuf netByteBuf = new NetByteBuf(Unpooled.wrappedBuffer(baos.toByteArray()));
+		NetByteBuf netByteBuf = new UnpooledNetByteBuf(Unpooled.wrappedBuffer(baos.toByteArray()));
 
 		assertEquals(expectedValue, netByteBuf.readUnsignedByte());
 	}
@@ -64,7 +65,7 @@ class NetByteBufReadTest {
 		int value = Integer.valueOf(random.nextInt()).shortValue();
 		new DataOutputStream(baos).writeShort(value);
 
-		NetByteBuf netByteBuf = new NetByteBuf(Unpooled.wrappedBuffer(baos.toByteArray()));
+		NetByteBuf netByteBuf = new UnpooledNetByteBuf(Unpooled.wrappedBuffer(baos.toByteArray()));
 
 		assertEquals(value, netByteBuf.readShort());
 	}
@@ -74,7 +75,7 @@ class NetByteBufReadTest {
 		int value = 32768;
 		new DataOutputStream(baos).writeShort(value);
 
-		NetByteBuf netByteBuf = new NetByteBuf(Unpooled.wrappedBuffer(baos.toByteArray()));
+		NetByteBuf netByteBuf = new UnpooledNetByteBuf(Unpooled.wrappedBuffer(baos.toByteArray()));
 
 		assertEquals(value, netByteBuf.readUnsignedShort());
 	}
@@ -89,7 +90,7 @@ class NetByteBufReadTest {
 
 		baos.write(bytes);
 
-		NetByteBuf netByteBuf = new NetByteBuf(Unpooled.wrappedBuffer(baos.toByteArray()));
+		NetByteBuf netByteBuf = new UnpooledNetByteBuf(Unpooled.wrappedBuffer(baos.toByteArray()));
 
 		assertEquals(string, netByteBuf.readString());
 	}
@@ -105,7 +106,7 @@ class NetByteBufReadTest {
 
 		baos.write(bytes);
 
-		NetByteBuf netByteBuf = new NetByteBuf(Unpooled.wrappedBuffer(baos.toByteArray()));
+		NetByteBuf netByteBuf = new UnpooledNetByteBuf(Unpooled.wrappedBuffer(baos.toByteArray()));
 
 		assertThrows(NetIOException.class, () -> netByteBuf.readString(length));
 	}
@@ -124,7 +125,7 @@ class NetByteBufReadTest {
 
 		baos.write(bytes);
 
-		NetByteBuf netByteBuf = new NetByteBuf(Unpooled.wrappedBuffer(baos.toByteArray()));
+		NetByteBuf netByteBuf = new UnpooledNetByteBuf(Unpooled.wrappedBuffer(baos.toByteArray()));
 
 		assertThrows(NetIOException.class, () -> netByteBuf.readString(-1));
 	}
@@ -134,7 +135,7 @@ class NetByteBufReadTest {
 	void readVarInt(byte[] sourceBytes, int expectedValue) throws IOException {
 		baos.write(sourceBytes);
 
-		NetByteBuf netByteBuf = new NetByteBuf(Unpooled.wrappedBuffer(baos.toByteArray()));
+		NetByteBuf netByteBuf = new UnpooledNetByteBuf(Unpooled.wrappedBuffer(baos.toByteArray()));
 
 		assertEquals(expectedValue, netByteBuf.readVarInt());
 	}
@@ -143,7 +144,7 @@ class NetByteBufReadTest {
 	void readVarInt_tooBig() throws IOException {
 		baos.write(new byte[]{ (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0x0F });
 
-		NetByteBuf netByteBuf = new NetByteBuf(Unpooled.wrappedBuffer(baos.toByteArray()));
+		NetByteBuf netByteBuf = new UnpooledNetByteBuf(Unpooled.wrappedBuffer(baos.toByteArray()));
 
 		assertEquals(-1, netByteBuf.readVarInt());
 	}
@@ -153,7 +154,7 @@ class NetByteBufReadTest {
 	void readVarLong(byte[] sourceBytes, long expectedValue) throws IOException {
 		baos.write(sourceBytes);
 
-		NetByteBuf netByteBuf = new NetByteBuf(Unpooled.wrappedBuffer(baos.toByteArray()));
+		NetByteBuf netByteBuf = new UnpooledNetByteBuf(Unpooled.wrappedBuffer(baos.toByteArray()));
 
 		assertEquals(expectedValue, netByteBuf.readVarLong());
 	}
@@ -164,7 +165,7 @@ class NetByteBufReadTest {
 				(byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF,
 				(byte) 0xFF, (byte) 0x0F });
 
-		NetByteBuf netByteBuf = new NetByteBuf(Unpooled.wrappedBuffer(baos.toByteArray()));
+		NetByteBuf netByteBuf = new UnpooledNetByteBuf(Unpooled.wrappedBuffer(baos.toByteArray()));
 
 		assertEquals(-1, netByteBuf.readVarLong());
 	}
@@ -196,7 +197,7 @@ class NetByteBufReadTest {
 				(byte) (leastSignificantBits & 0xFF)
 		});
 
-		NetByteBuf netByteBuf = new NetByteBuf(Unpooled.wrappedBuffer(baos.toByteArray()));
+		NetByteBuf netByteBuf = new UnpooledNetByteBuf(Unpooled.wrappedBuffer(baos.toByteArray()));
 
 		assertEquals(uuid, netByteBuf.readUUID());
 	}
@@ -208,7 +209,7 @@ class NetByteBufReadTest {
 		baos.write(bytes);
 
 		byte[] actualBytes = new byte[128];
-		NetByteBuf netByteBuf = new NetByteBuf(Unpooled.wrappedBuffer(baos.toByteArray()));
+		NetByteBuf netByteBuf = new UnpooledNetByteBuf(Unpooled.wrappedBuffer(baos.toByteArray()));
 
 		assertEquals(bytes.length, netByteBuf.readableBytes());
 
@@ -225,7 +226,7 @@ class NetByteBufReadTest {
 		baos.write(bytes);
 
 		byte[] buff = new byte[128];
-		NetByteBuf netByteBuf = new NetByteBuf(Unpooled.wrappedBuffer(baos.toByteArray()));
+		NetByteBuf netByteBuf = new UnpooledNetByteBuf(Unpooled.wrappedBuffer(baos.toByteArray()));
 		netByteBuf.readBytes(buff, 3, 11);
 
 		byte[] expectedBytes = new byte[11];
diff --git a/protocol/src/test/java/mc/protocol/buffer/NetByteBufWriteTest.java b/protocol/src/test/java/mc/protocol/buffer/NetByteBufWriteTest.java
index c1c101d..a94709d 100644
--- a/protocol/src/test/java/mc/protocol/buffer/NetByteBufWriteTest.java
+++ b/protocol/src/test/java/mc/protocol/buffer/NetByteBufWriteTest.java
@@ -2,6 +2,7 @@ package mc.protocol.buffer;
 
 import io.netty.buffer.ByteBuf;
 import io.netty.buffer.Unpooled;
+import mc.protocol.pool.UnpooledNetByteBuf;
 import org.apache.commons.lang3.RandomStringUtils;
 import org.junit.jupiter.api.BeforeAll;
 import org.junit.jupiter.api.Test;
@@ -30,7 +31,7 @@ class NetByteBufWriteTest {
 	@MethodSource("paramsWriteBoolean")
 	void writeBoolean(boolean sourceValue, byte expectedByte) {
 		ByteBuf byteBuf = Unpooled.buffer();
-		NetByteBuf netByteBuf = new NetByteBuf(byteBuf);
+		NetByteBuf netByteBuf = new UnpooledNetByteBuf(byteBuf);
 
 		netByteBuf.writeBoolean(sourceValue);
 
@@ -41,7 +42,7 @@ class NetByteBufWriteTest {
 	@MethodSource("paramsWriteByte")
 	void writeByte(byte sourceValue, byte expectedByte) {
 		ByteBuf byteBuf = Unpooled.buffer();
-		NetByteBuf netByteBuf = new NetByteBuf(byteBuf);
+		NetByteBuf netByteBuf = new UnpooledNetByteBuf(byteBuf);
 
 		netByteBuf.writeByte(sourceValue);
 
@@ -51,7 +52,7 @@ class NetByteBufWriteTest {
 	@Test
 	void writeUnsignedByte() {
 		ByteBuf byteBuf = Unpooled.buffer();
-		NetByteBuf netByteBuf = new NetByteBuf(byteBuf);
+		NetByteBuf netByteBuf = new UnpooledNetByteBuf(byteBuf);
 
 		netByteBuf.writeUnsignedByte(129);
 
@@ -62,7 +63,7 @@ class NetByteBufWriteTest {
 	@MethodSource("paramsWriteString")
 	void writeString(String string, int exceptedLength) {
 		ByteBuf byteBuf = Unpooled.buffer();
-		NetByteBuf netByteBuf = new NetByteBuf(byteBuf);
+		NetByteBuf netByteBuf = new UnpooledNetByteBuf(byteBuf);
 
 		netByteBuf.writeString(string);
 
@@ -81,11 +82,11 @@ class NetByteBufWriteTest {
 		String overSizeString = RandomStringUtils.randomAscii(Short.MAX_VALUE + Short.MAX_VALUE);
 
 		ByteBuf byteBuf = Unpooled.buffer();
-		NetByteBuf netByteBuf = new NetByteBuf(byteBuf);
+		NetByteBuf netByteBuf = new UnpooledNetByteBuf(byteBuf);
 
 		netByteBuf.writeString(overSizeString);
 
-		NetByteBuf netByteBuf2 = new NetByteBuf(byteBuf.copy());
+		NetByteBuf netByteBuf2 = new UnpooledNetByteBuf(byteBuf.copy());
 		String actualString = netByteBuf2.readString();
 
 		String expectedString = overSizeString.substring(0, Short.MAX_VALUE);
@@ -97,7 +98,7 @@ class NetByteBufWriteTest {
 	@MethodSource("paramsWriteVarInt")
 	void writeVarInt(int sourceValue, byte[] expectedBytes) {
 		ByteBuf byteBuf = Unpooled.buffer();
-		NetByteBuf netByteBuf = new NetByteBuf(byteBuf);
+		NetByteBuf netByteBuf = new UnpooledNetByteBuf(byteBuf);
 
 		netByteBuf.writeVarInt(sourceValue);
 		byte[] actualArray = netByteBuf.copy(0, netByteBuf.readableBytes()).array();
@@ -109,7 +110,7 @@ class NetByteBufWriteTest {
 	@MethodSource({ "paramsWriteVarInt", "paramsWriteVarLong" })
 	void writeVarLong(long sourceValue, byte[] expectedBytes) {
 		ByteBuf byteBuf = Unpooled.buffer();
-		NetByteBuf netByteBuf = new NetByteBuf(byteBuf);
+		NetByteBuf netByteBuf = new UnpooledNetByteBuf(byteBuf);
 
 		netByteBuf.writeVarLong(sourceValue);
 		byte[] actualArray = netByteBuf.copy(0, netByteBuf.readableBytes()).array();
@@ -122,7 +123,7 @@ class NetByteBufWriteTest {
 		final UUID uuid = UUID.randomUUID();
 
 		ByteBuf byteBuf = Unpooled.buffer();
-		NetByteBuf netByteBuf = new NetByteBuf(byteBuf);
+		NetByteBuf netByteBuf = new UnpooledNetByteBuf(byteBuf);
 
 		netByteBuf.writeUUID(uuid);
 
@@ -158,7 +159,7 @@ class NetByteBufWriteTest {
 		random.nextBytes(bytes);
 
 		ByteBuf byteBuf = Unpooled.buffer();
-		NetByteBuf netByteBuf = new NetByteBuf(byteBuf);
+		NetByteBuf netByteBuf = new UnpooledNetByteBuf(byteBuf);
 
 		netByteBuf.writeBytes(bytes);
 		byte[] actualArray = netByteBuf.copy(0, netByteBuf.readableBytes()).array();
@@ -172,7 +173,7 @@ class NetByteBufWriteTest {
 		random.nextBytes(bytes);
 
 		ByteBuf byteBuf = Unpooled.buffer();
-		NetByteBuf netByteBuf = new NetByteBuf(byteBuf);
+		NetByteBuf netByteBuf = new UnpooledNetByteBuf(byteBuf);
 
 		netByteBuf.writeBytes(bytes, 3, 11);