diff --git a/web/netty-web/src/main/kotlin/cn/tursom/web/netty/NettyHttpObjectHandler.kt b/web/netty-web/src/main/kotlin/cn/tursom/web/netty/NettyHttpObjectHandler.kt
index cf8d592..7cf6187 100644
--- a/web/netty-web/src/main/kotlin/cn/tursom/web/netty/NettyHttpObjectHandler.kt
+++ b/web/netty-web/src/main/kotlin/cn/tursom/web/netty/NettyHttpObjectHandler.kt
@@ -1,6 +1,7 @@
 package cn.tursom.web.netty
 
 import cn.tursom.web.HttpHandler
+import io.netty.channel.ChannelHandler
 import io.netty.channel.ChannelHandlerContext
 import io.netty.channel.SimpleChannelInboundHandler
 import io.netty.handler.codec.http.HttpContent
@@ -9,6 +10,7 @@ import io.netty.handler.codec.http.HttpRequest
 import io.netty.handler.codec.http.LastHttpContent
 import io.netty.util.AttributeKey
 
+@ChannelHandler.Sharable
 class NettyHttpObjectHandler(
   private val handler: HttpHandler<NettyHttpContent, NettyExceptionContent>
 ) : SimpleChannelInboundHandler<HttpObject>() {