diff --git a/proxy/src/main/java/org/apache/rocketmq/proxy/remoting/RemotingProtocolServer.java b/proxy/src/main/java/org/apache/rocketmq/proxy/remoting/RemotingProtocolServer.java
index 4f16a530c76..5221615f961 100644
--- a/proxy/src/main/java/org/apache/rocketmq/proxy/remoting/RemotingProtocolServer.java
+++ b/proxy/src/main/java/org/apache/rocketmq/proxy/remoting/RemotingProtocolServer.java
@@ -260,6 +260,9 @@ public void shutdown() throws Exception {
         this.updateOffsetExecutor.shutdown();
         this.topicRouteExecutor.shutdown();
         this.defaultExecutor.shutdown();
+        // The constructor schedules the expired-request cleanup on this executor; leaving it running
+        // keeps a non-daemon thread (and its 100ms task) alive after the server has shut down.
+        this.timerExecutor.shutdown();
     }
 
     @Override
diff --git a/proxy/src/test/java/org/apache/rocketmq/proxy/remoting/RemotingProtocolServerTest.java b/proxy/src/test/java/org/apache/rocketmq/proxy/remoting/RemotingProtocolServerTest.java
index acd9c1c2d44..ea5197dc5b0 100644
--- a/proxy/src/test/java/org/apache/rocketmq/proxy/remoting/RemotingProtocolServerTest.java
+++ b/proxy/src/test/java/org/apache/rocketmq/proxy/remoting/RemotingProtocolServerTest.java
@@ -17,6 +17,11 @@
 
 package org.apache.rocketmq.proxy.remoting;
 
+import java.util.concurrent.ThreadPoolExecutor;
+import java.util.concurrent.ScheduledExecutorService;
+import org.apache.commons.lang3.reflect.FieldUtils;
+import org.apache.rocketmq.proxy.remoting.channel.RemotingChannelManager;
+import org.apache.rocketmq.proxy.service.cert.TlsCertificateManager;
 import org.apache.rocketmq.remoting.RemotingServer;
 import org.apache.rocketmq.remoting.protocol.RequestHeaderRegistry;
 import org.junit.Test;
@@ -26,9 +31,30 @@
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.mockStatic;
 import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.times;
 
 public class RemotingProtocolServerTest {
 
+    @Test
+    public void testShutdownStopsTheExpiredRequestTimer() throws Exception {
+        RemotingProtocolServer protocolServer = mock(RemotingProtocolServer.class, Mockito.CALLS_REAL_METHODS);
+        FieldUtils.writeDeclaredField(protocolServer, "tlsCertificateManager", mock(TlsCertificateManager.class), true);
+        FieldUtils.writeDeclaredField(protocolServer, "remotingChannelManager", mock(RemotingChannelManager.class), true);
+        FieldUtils.writeDeclaredField(protocolServer, "defaultRemotingServer", mock(RemotingServer.class), true);
+        for (String field : new String[] {"sendMessageExecutor", "pullMessageExecutor", "heartbeatExecutor",
+            "updateOffsetExecutor", "topicRouteExecutor", "defaultExecutor"}) {
+            FieldUtils.writeDeclaredField(protocolServer, field, mock(ThreadPoolExecutor.class), true);
+        }
+        ScheduledExecutorService timerExecutor = mock(ScheduledExecutorService.class);
+        FieldUtils.writeDeclaredField(protocolServer, "timerExecutor", timerExecutor, true);
+
+        protocolServer.shutdown();
+
+        // The constructor schedules the expired-request cleanup on this executor; a shutdown that
+        // leaves it running keeps a non-daemon thread (and its 100ms task) alive after the server.
+        verify(timerExecutor, times(1)).shutdown();
+    }
+
     @Test
     public void shouldInitializeRequestHeaderRegistryWhenRegisteringProcessors() {
         RemotingProtocolServer protocolServer =