diff --git a/mode/api/src/main/java/org/apache/shardingsphere/mode/spi/PersistRepository.java b/mode/api/src/main/java/org/apache/shardingsphere/mode/spi/PersistRepository.java
index b6d1c0cb1e099..66c56758f2d4e 100644
--- a/mode/api/src/main/java/org/apache/shardingsphere/mode/spi/PersistRepository.java
+++ b/mode/api/src/main/java/org/apache/shardingsphere/mode/spi/PersistRepository.java
@@ -24,7 +24,7 @@
 /**
  * Persist repository.
  */
-public interface PersistRepository extends TypedSPI {
+public interface PersistRepository extends TypedSPI, AutoCloseable {
     
     /**
      * Path separator.
@@ -48,10 +48,10 @@ public interface PersistRepository extends TypedSPI {
     List<String> getChildrenKeys(String key);
     
     /**
-     * Judge node is exist or not.
+     * Judge node is existed or not.
      *
      * @param key key
-     * @return node is exist or not
+     * @return node is existed or not
      */
     boolean isExisted(String key);
     
@@ -87,8 +87,6 @@ default void persistEphemeral(String key, String value) {
      */
     void delete(String key);
     
-    /**
-     * Close.
-     */
+    @Override
     void close();
 }