diff --git a/hutool-core/src/main/java/cn/hutool/v7/core/stream/CollectorUtil.java b/hutool-core/src/main/java/cn/hutool/v7/core/stream/CollectorUtil.java
index 8e89e837b..d9f91263e 100644
--- a/hutool-core/src/main/java/cn/hutool/v7/core/stream/CollectorUtil.java
+++ b/hutool-core/src/main/java/cn/hutool/v7/core/stream/CollectorUtil.java
@@ -532,7 +532,7 @@ public class CollectorUtil {
 				}
 
 				final RR finisherRightValue;
-				if (lDownstream.characteristics().contains(Collector.Characteristics.IDENTITY_FINISH)) {
+				if (rDownstream.characteristics().contains(Collector.Characteristics.IDENTITY_FINISH)) {
 					finisherRightValue = (RR) finisherPair.getRight();
 				} else {
 					finisherRightValue = rDownstream.finisher().apply(finisherPair.getRight());
@@ -625,7 +625,7 @@ public class CollectorUtil {
 				}
 
 				final RR finisherRightValue;
-				if (lDownstream.characteristics().contains(Collector.Characteristics.IDENTITY_FINISH)) {
+				if (rDownstream.characteristics().contains(Collector.Characteristics.IDENTITY_FINISH)) {
 					finisherRightValue = (RR) finisherTriple.getRight();
 				} else {
 					finisherRightValue = rDownstream.finisher().apply(finisherTriple.getRight());