diff --git a/web/netty-web/build.gradle b/web/netty-web/build.gradle
index fce6d20..727bdb7 100644
--- a/web/netty-web/build.gradle
+++ b/web/netty-web/build.gradle
@@ -1,5 +1,5 @@
 dependencies {
     implementation project(":")
     implementation project(":web")
-    implementation group: "io.netty", name: "netty-all", version: "4.1.33.Final"
+    implementation group: "io.netty", name: "netty-all", version: "4.1.43.Final"
 }
diff --git a/web/netty-web/src/main/kotlin/cn/tursom/web/netty/NettyHttpContent.kt b/web/netty-web/src/main/kotlin/cn/tursom/web/netty/NettyHttpContent.kt
index 1ab6a53..5a5daf1 100644
--- a/web/netty-web/src/main/kotlin/cn/tursom/web/netty/NettyHttpContent.kt
+++ b/web/netty-web/src/main/kotlin/cn/tursom/web/netty/NettyHttpContent.kt
@@ -18,6 +18,7 @@ open class NettyHttpContent(
   val ctx: ChannelHandlerContext,
   val msg: FullHttpRequest
 ) : AdvanceHttpContent, NettyResponseHeaderAdapter() {
+  override var finished: Boolean = false
   override val uri: String by lazy {
     var uri = msg.uri()
     while (uri.contains("//")) {
@@ -127,6 +128,7 @@ open class NettyHttpContent(
   }
 
   fun finish(response: FullHttpResponse) {
+    finished = true
     val heads = response.headers()
     addHeaders(
       heads,
@@ -159,21 +161,25 @@ open class NettyHttpContent(
   }
 
   override fun finishChunked() {
+    finished = true
     val httpChunkWriter = HttpChunkedInput(NettyChunkedByteBuffer(chunkedList))
     ctx.writeAndFlush(httpChunkWriter)
   }
 
   override fun finishChunked(chunked: Chunked) {
+    finished = true
     val httpChunkWriter = HttpChunkedInput(NettyChunkedInput(chunked))
     ctx.writeAndFlush(httpChunkWriter)
   }
 
   override fun finishFile(file: File, chunkSize: Int) {
+    finished = true
     writeChunkedHeader()
     ctx.writeAndFlush(HttpChunkedInput(ChunkedFile(file, chunkSize)))
   }
 
   override fun finishFile(file: RandomAccessFile, offset: Long, length: Long, chunkSize: Int) {
+    finished = true
     writeChunkedHeader()
     ctx.writeAndFlush(HttpChunkedInput(ChunkedFile(file, offset, length, chunkSize)))
   }
diff --git a/web/src/main/kotlin/cn/tursom/web/HttpContent.kt b/web/src/main/kotlin/cn/tursom/web/HttpContent.kt
index 83f41f9..7d7d60a 100644
--- a/web/src/main/kotlin/cn/tursom/web/HttpContent.kt
+++ b/web/src/main/kotlin/cn/tursom/web/HttpContent.kt
@@ -8,6 +8,7 @@ import java.io.RandomAccessFile
 import java.net.SocketAddress
 
 interface HttpContent : ResponseHeaderAdapter, RequestHeaderAdapter {
+  val finished: Boolean
   val uri: String
   var responseCode: Int
   var responseMessage: String?
diff --git a/web/src/main/kotlin/cn/tursom/web/utils/EmptyHttpContent.kt b/web/src/main/kotlin/cn/tursom/web/utils/EmptyHttpContent.kt
index 9bde430..5059c8d 100644
--- a/web/src/main/kotlin/cn/tursom/web/utils/EmptyHttpContent.kt
+++ b/web/src/main/kotlin/cn/tursom/web/utils/EmptyHttpContent.kt
@@ -9,6 +9,7 @@ import java.net.InetSocketAddress
 import java.net.SocketAddress
 
 class EmptyHttpContent(
+  override val finished: Boolean = true,
   override val uri: String = "/",
   override var responseCode: Int = 200,
   override var responseMessage: String? = null,