diff --git a/apm-sniffer/apm-agent-core/src/main/java/org/apache/skywalking/apm/agent/core/remote/GRPCChannelManager.java b/apm-sniffer/apm-agent-core/src/main/java/org/apache/skywalking/apm/agent/core/remote/GRPCChannelManager.java
index b5ddd84f9..62458f8ce 100644
--- a/apm-sniffer/apm-agent-core/src/main/java/org/apache/skywalking/apm/agent/core/remote/GRPCChannelManager.java
+++ b/apm-sniffer/apm-agent-core/src/main/java/org/apache/skywalking/apm/agent/core/remote/GRPCChannelManager.java
@@ -134,6 +134,7 @@ public class GRPCChannelManager implements BootService, Runnable {
     public void reportError(Throwable throwable) {
         if (isNetworkError(throwable)) {
             reconnect = true;
+            notify(GRPCChannelStatus.DISCONNECT);
         }
     }