diff --git a/src/main/java/com/xiaomi/infra/pegasus/rpc/async/ClientRequestRound.java b/src/main/java/com/xiaomi/infra/pegasus/rpc/async/ClientRequestRound.java
index 15db2c47..ece35831 100644
--- a/src/main/java/com/xiaomi/infra/pegasus/rpc/async/ClientRequestRound.java
+++ b/src/main/java/com/xiaomi/infra/pegasus/rpc/async/ClientRequestRound.java
@@ -34,15 +34,28 @@ public ClientRequestRound(
       Table.ClientOPCallback cb,
       boolean enableCounter,
       long timeoutInMilliseconds) {
-    operator = op;
-    callback = cb;
-    timeoutMs = timeoutInMilliseconds;
+    this(
+        op,
+        cb,
+        enableCounter,
+        System.nanoTime() + timeoutInMilliseconds * 1000000L,
+        timeoutInMilliseconds);
+  }
+
+  public ClientRequestRound(
+      client_operator op,
+      Table.ClientOPCallback cb,
+      boolean enableCounter,
+      long expireNanoTime,
+      long timeoutInMilliseconds) {
+    this.operator = op;
+    this.callback = cb;
+    this.timeoutMs = timeoutInMilliseconds;
 
     this.enableCounter = enableCounter;
-    createNanoTime = System.nanoTime();
-    expireNanoTime = createNanoTime + timeoutMs * 1000000L;
-    isCompleted = false;
-    backupRequestTask = null;
+    this.expireNanoTime = expireNanoTime;
+    this.isCompleted = false;
+    this.backupRequestTask = null;
   }
 
   public com.xiaomi.infra.pegasus.operator.client_operator getOperator() {
diff --git a/src/main/java/com/xiaomi/infra/pegasus/rpc/async/TableHandler.java b/src/main/java/com/xiaomi/infra/pegasus/rpc/async/TableHandler.java
index abee5ed0..3c9605c9 100644
--- a/src/main/java/com/xiaomi/infra/pegasus/rpc/async/TableHandler.java
+++ b/src/main/java/com/xiaomi/infra/pegasus/rpc/async/TableHandler.java
@@ -323,10 +323,16 @@ void onRpcReply(
     }
 
     // must use new round here, because round.isSuccess is true now
-    tryDelayCall(
+    // must use round.expireNanoTime to init, otherwise "round.expireNanoTime - System.nanoTime() >
+    // nanoDelay" in "tryDelayCall()" will be always true
+    ClientRequestRound delayRequestRound =
         new ClientRequestRound(
-            round.operator, round.callback, round.enableCounter, round.timeoutMs),
-        tryId + 1);
+            round.operator,
+            round.callback,
+            round.enableCounter,
+            round.expireNanoTime,
+            round.timeoutMs);
+    tryDelayCall(delayRequestRound, tryId + 1);
   }
 
   void tryDelayCall(final ClientRequestRound round, final int tryId) {