diff --git a/muyu-common/muyu-common-cache/src/main/java/com/muyu/common/cache/abs/HashCacheAbs.java b/muyu-common/muyu-common-cache/src/main/java/com/muyu/common/cache/abs/HashCacheAbs.java
index 95671fe..c4d004e 100644
--- a/muyu-common/muyu-common-cache/src/main/java/com/muyu/common/cache/abs/HashCacheAbs.java
+++ b/muyu-common/muyu-common-cache/src/main/java/com/muyu/common/cache/abs/HashCacheAbs.java
@@ -46,6 +46,7 @@ public abstract class HashCacheAbs<K, HK, HV> implements HashCache<K, HK, HV> {
      */
     @Override
     public Map<HK, HV> get (K key) {
+        // 获取为null的情况
         return decodeMap(redisService.getCacheMap(encode(key)));
     }
 
@@ -169,7 +170,20 @@ public abstract class HashCacheAbs<K, HK, HV> implements HashCache<K, HK, HV> {
         return dataMap;
     }
 
-    // getData
+    /**
+     * 通过键获取所有的hash数据
+     * @param key 键
+     * @return
+     */
+    public abstract Map<HK, HV> getData(K key);
+
+    /**
+     * 通过缓存键和hash键获取hash值
+     * @param key 缓存键
+     * @param hashKey hash键
+     * @return hash值
+     */
+    public abstract HV getData(K key, HK hashKey);
 
     /**
      * 默认值