diff --git a/src/main/java/org/redkale/annotation/Cached.java b/src/main/java/org/redkale/annotation/Cached.java
index 020d42eeb..72e1b85d6 100644
--- a/src/main/java/org/redkale/annotation/Cached.java
+++ b/src/main/java/org/redkale/annotation/Cached.java
@@ -72,4 +72,11 @@ public @interface Cached {
      */
     TimeUnit timeUnit() default TimeUnit.SECONDS;
 
+    /**
+     * 是否可以缓存null值
+     *
+     * @return 是否可以缓存null
+     */
+    boolean nullable() default false;
+
 }
diff --git a/src/main/java/org/redkale/cacheing/CachedFactory.java b/src/main/java/org/redkale/cacheing/CachedFactory.java
index 260c9bd78..606b9509e 100644
--- a/src/main/java/org/redkale/cacheing/CachedFactory.java
+++ b/src/main/java/org/redkale/cacheing/CachedFactory.java
@@ -3,6 +3,9 @@
  */
 package org.redkale.cacheing;
 
+import org.redkale.source.CacheMemorySource;
+import org.redkale.source.CacheSource;
+
 /**
  * @TODO 待实现
  *
@@ -10,4 +13,15 @@ package org.redkale.cacheing;
  */
 public class CachedFactory {
 
+    protected CacheSource localSource = new CacheMemorySource("cacheing");
+
+    protected CacheSource remoteSource;
+
+    protected CachedFactory(CacheSource remoteSource) {
+        this.remoteSource = remoteSource;
+    }
+
+    public static CachedFactory create(CacheSource remoteSource) {
+        return new CachedFactory(remoteSource);
+    }
 }