diff --git a/tunnel-client/src/main/java/com/alibaba/arthas/tunnel/client/RelayHandler.java b/tunnel-client/src/main/java/com/alibaba/arthas/tunnel/client/RelayHandler.java
index 234b0f24d..5b1868063 100644
--- a/tunnel-client/src/main/java/com/alibaba/arthas/tunnel/client/RelayHandler.java
+++ b/tunnel-client/src/main/java/com/alibaba/arthas/tunnel/client/RelayHandler.java
@@ -41,6 +41,12 @@ public final class RelayHandler extends ChannelInboundHandlerAdapter {
     @Override
     public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) {
         logger.error("RelayHandler error", cause);
-        ctx.close();
+        try {
+            if (relayChannel.isActive()) {
+                relayChannel.close();
+            }
+        } finally {
+            ctx.close();
+        }
     }
 }