diff --git a/fe/fe-core/src/main/java/org/apache/doris/transaction/DatabaseTransactionMgr.java b/fe/fe-core/src/main/java/org/apache/doris/transaction/DatabaseTransactionMgr.java
index 363c4b91c3..2f89916b61 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/transaction/DatabaseTransactionMgr.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/transaction/DatabaseTransactionMgr.java
@@ -83,6 +83,7 @@ import java.util.HashSet;
 import java.util.Iterator;
 import java.util.List;
 import java.util.Map;
+import java.util.Map.Entry;
 import java.util.Set;
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.locks.ReentrantReadWriteLock;