diff --git a/src/main/java/com/xiaomi/infra/pegasus/client/PegasusScanner.java b/src/main/java/com/xiaomi/infra/pegasus/client/PegasusScanner.java
index 595733d0..d7734192 100644
--- a/src/main/java/com/xiaomi/infra/pegasus/client/PegasusScanner.java
+++ b/src/main/java/com/xiaomi/infra/pegasus/client/PegasusScanner.java
@@ -19,7 +19,6 @@
 import java.util.LinkedList;
 import java.util.List;
 import java.util.concurrent.ExecutionException;
-import java.util.concurrent.Future;
 import java.util.concurrent.TimeUnit;
 import java.util.concurrent.TimeoutException;
 import org.apache.commons.lang3.tuple.ImmutablePair;
diff --git a/src/main/java/com/xiaomi/infra/pegasus/client/PegasusScannerInterface.java b/src/main/java/com/xiaomi/infra/pegasus/client/PegasusScannerInterface.java
index d8f0d0a4..04386b70 100644
--- a/src/main/java/com/xiaomi/infra/pegasus/client/PegasusScannerInterface.java
+++ b/src/main/java/com/xiaomi/infra/pegasus/client/PegasusScannerInterface.java
@@ -3,7 +3,7 @@
 // can be found in the LICENSE file in the root directory of this source tree.
 package com.xiaomi.infra.pegasus.client;
 
-import java.util.concurrent.Future;
+import io.netty.util.concurrent.Future;
 import org.apache.commons.lang3.tuple.Pair;
 
 /**