diff --git a/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/queryengine/execution/operator/source/relational/AbstractDefaultAggTableScanOperator.java b/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/queryengine/execution/operator/source/relational/AbstractDefaultAggTableScanOperator.java
index 56eddc11533e6..8c544a4d56459 100644
--- a/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/queryengine/execution/operator/source/relational/AbstractDefaultAggTableScanOperator.java
+++ b/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/queryengine/execution/operator/source/relational/AbstractDefaultAggTableScanOperator.java
@@ -69,7 +69,7 @@ public TsBlock next() throws Exception {
 
     // start stopwatch, reset leftRuntimeOfOneNextCall
     long start = System.nanoTime();
-    leftRuntimeOfOneNextCall = 1000 * operatorContext.getMaxRunTime().roundTo(TimeUnit.NANOSECONDS);
+    leftRuntimeOfOneNextCall = operatorContext.getMaxRunTime().roundTo(TimeUnit.NANOSECONDS);
     long maxRuntime = leftRuntimeOfOneNextCall;
 
     while (System.nanoTime() - start < maxRuntime