diff --git a/utils/src/main/kotlin/cn/tursom/utils/bytebuffer/NettyByteBuffer.kt b/utils/src/main/kotlin/cn/tursom/utils/bytebuffer/NettyByteBuffer.kt
index 785a5ce..cc64b4e 100644
--- a/utils/src/main/kotlin/cn/tursom/utils/bytebuffer/NettyByteBuffer.kt
+++ b/utils/src/main/kotlin/cn/tursom/utils/bytebuffer/NettyByteBuffer.kt
@@ -31,6 +31,7 @@ class NettyByteBuffer(
       byteBuf.readerIndex(value)
     }
   override val resized: Boolean get() = false
+  override var closed: Boolean = false
 
   override fun readBuffer(): java.nio.ByteBuffer {
     return byteBuf.internalNioBuffer(readPosition, readable).slice()
@@ -129,4 +130,11 @@ class NettyByteBuffer(
   override fun toString(): String {
     return "Nettyjava.nio.ByteBuffer(byteBuf=$byteBuf)"
   }
+
+  override fun close() {
+    if (closed) {
+      closed = true
+      byteBuf.release()
+    }
+  }
 }
\ No newline at end of file