diff --git a/sdk-core/src/main/java/org/fisco/bcos/sdk/network/ChannelHandler.java b/sdk-core/src/main/java/org/fisco/bcos/sdk/network/ChannelHandler.java
index 2577cc679..607051adf 100644
--- a/sdk-core/src/main/java/org/fisco/bcos/sdk/network/ChannelHandler.java
+++ b/sdk-core/src/main/java/org/fisco/bcos/sdk/network/ChannelHandler.java
@@ -163,4 +163,10 @@ protected void channelRead0(ChannelHandlerContext ctx, Message msg) {
         final ChannelHandlerContext ctxF = ctx;
         msgHandler.onMessage(ctxF, msg);
     }
+
+    @Override
+    public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
+        logger.debug("exceptionCaught: ", cause);
+        this.channelInactive(ctx);
+    }
 }