diff --git a/config/src/main/java/com/alibaba/nacos/config/server/service/repository/extrnal/ExternalConfigInfoTagPersistServiceImpl.java b/config/src/main/java/com/alibaba/nacos/config/server/service/repository/extrnal/ExternalConfigInfoTagPersistServiceImpl.java
index 5016f5ffd1d..7ade6652b3d 100644
--- a/config/src/main/java/com/alibaba/nacos/config/server/service/repository/extrnal/ExternalConfigInfoTagPersistServiceImpl.java
+++ b/config/src/main/java/com/alibaba/nacos/config/server/service/repository/extrnal/ExternalConfigInfoTagPersistServiceImpl.java
@@ -48,7 +48,6 @@
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.support.TransactionTemplate;
 
-import java.sql.Timestamp;
 import java.util.Arrays;
 import java.util.Collections;
 import java.util.List;