diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/properties/ChildrenPropertiesRegulator.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/properties/ChildrenPropertiesRegulator.java
index da53781fdf6f95b..431a9b5383f9c44 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/nereids/properties/ChildrenPropertiesRegulator.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/nereids/properties/ChildrenPropertiesRegulator.java
@@ -42,6 +42,7 @@
 import org.apache.doris.nereids.trees.plans.physical.PhysicalPartitionTopN;
 import org.apache.doris.nereids.trees.plans.physical.PhysicalProject;
 import org.apache.doris.nereids.trees.plans.physical.PhysicalSetOperation;
+import org.apache.doris.nereids.trees.plans.physical.PhysicalTopN;
 import org.apache.doris.nereids.trees.plans.physical.PhysicalUnion;
 import org.apache.doris.nereids.trees.plans.visitor.PlanVisitor;
 import org.apache.doris.nereids.util.JoinUtils;