diff --git a/src/main/java/org/tron/p2p/discover/protocol/kad/NodeHandler.java b/src/main/java/org/tron/p2p/discover/protocol/kad/NodeHandler.java
index de42c5f4..e4bbafba 100644
--- a/src/main/java/org/tron/p2p/discover/protocol/kad/NodeHandler.java
+++ b/src/main/java/org/tron/p2p/discover/protocol/kad/NodeHandler.java
@@ -12,6 +12,7 @@
 import org.tron.p2p.discover.message.kad.NeighborsMessage;
 import org.tron.p2p.discover.message.kad.PingMessage;
 import org.tron.p2p.discover.message.kad.PongMessage;
+import org.tron.p2p.discover.protocol.kad.table.KademliaOptions;
 import org.tron.p2p.discover.socket.UdpEvent;
 
 @Slf4j(topic = "net")
@@ -24,6 +25,7 @@ public class NodeHandler {
   private AtomicInteger pingTrials = new AtomicInteger(3);
   private volatile boolean waitForPong = false;
   private volatile boolean waitForNeighbors = false;
+  private volatile long rcvFindNodeMsgTime;
 
   public NodeHandler(Node node, KadService kadService) {
     this.node = node;
@@ -139,6 +141,11 @@ public void handleNeighbours(NeighborsMessage msg, InetSocketAddress sender) {
   }
 
   public void handleFindNode(FindNodeMessage msg) {
+    long now = System.currentTimeMillis();
+    if (now - rcvFindNodeMsgTime < KademliaOptions.DISCOVER_CYCLE / 2) {
+      return;
+    }
+    rcvFindNodeMsgTime = now;
     List<Node> closest = kadService.getTable().getClosestNodes(msg.getTargetId());
     sendNeighbours(closest, msg.getTimestamp());
   }
diff --git a/src/test/java/org/tron/p2p/discover/protocol/kad/NodeHandlerTest.java b/src/test/java/org/tron/p2p/discover/protocol/kad/NodeHandlerTest.java
index 215e4192..2851b1d2 100644
--- a/src/test/java/org/tron/p2p/discover/protocol/kad/NodeHandlerTest.java
+++ b/src/test/java/org/tron/p2p/discover/protocol/kad/NodeHandlerTest.java
@@ -13,6 +13,8 @@
 import java.lang.reflect.Constructor;
 import java.lang.reflect.Field;
 import java.net.InetSocketAddress;
+import java.util.ArrayList;
+import java.util.Collections;
 
 public class NodeHandlerTest {
 
@@ -81,6 +83,29 @@ public void testChangeState() throws Exception {
     Assert.assertTrue(kadService.getTable().contains(replaceNode));
   }
 
+  @Test
+  public void testHandleFindNode() throws Exception {
+    NodeHandler nodeHandler = new NodeHandler(new Node(new byte[1], "", "", 0), null);
+    Field field = nodeHandler.getClass().getDeclaredField("rcvFindNodeMsgTime");
+    field.setAccessible(true);
+    long time = (Long) field.get(nodeHandler);
+    Assert.assertEquals(time, 0);
+
+    try {
+      nodeHandler.handleFindNode(null);
+    } catch (Exception e) {}
+
+    time = (Long) field.get(nodeHandler);
+    Assert.assertTrue(time > 0);
+
+    try {
+      nodeHandler.handleFindNode(null);
+    } catch (Exception e) {}
+
+    long time2 = (Long) field.get(nodeHandler);
+    Assert.assertEquals(time, time2);
+  }
+
   @AfterClass
   public static void destroy() {
     kadService.close();