diff --git a/storage/src/main/java/com/zfoo/storage/model/vo/Storage.java b/storage/src/main/java/com/zfoo/storage/model/vo/Storage.java
index 311f3534..e5354b2c 100644
--- a/storage/src/main/java/com/zfoo/storage/model/vo/Storage.java
+++ b/storage/src/main/java/com/zfoo/storage/model/vo/Storage.java
@@ -88,6 +88,10 @@ public class Storage<K, V> {
         return Collections.unmodifiableCollection(dataMap.values());
     }
 
+    public Map<K, V> getData() {
+        return Collections.unmodifiableMap(dataMap);
+    }
+
     public boolean contain(K key) {
         return dataMap.containsKey(key);
     }