diff --git a/assets/Script/example/ResKeeperExample.ts b/assets/Script/example/ResKeeperExample.ts
index 4e13818..d09bef0 100644
--- a/assets/Script/example/ResKeeperExample.ts
+++ b/assets/Script/example/ResKeeperExample.ts
@@ -19,6 +19,7 @@ export default class NetExample extends cc.Component {
                 myNode.parent = this.attachNode;
                 myNode.setPosition((Math.random() * 500) - 250, myNode.position.y);
                 console.log(myNode.position);
+                prefab.decRef();
             }
         });
     }
@@ -33,10 +34,9 @@ export default class NetExample extends cc.Component {
         ResLoader.load("images/test", cc.SpriteFrame, (error: Error, sp: cc.SpriteFrame) => {
             if (this.attachNode.childrenCount > 0) {
                 let targetNode = this.attachNode.children[this.attachNode.childrenCount - 1];
-                targetNode.getComponent(cc.Sprite).spriteFrame = ResUtil.assignWith(sp, targetNode);
+                targetNode.getComponent(cc.Sprite).spriteFrame = ResUtil.assignWith(sp, targetNode, true);
             }
-            //resLoader.releaseRes("images/test", cc.SpriteFrame);
-            ResLoader.release(sp);
+            sp.decRef();
         });
     }
 
diff --git a/assets/Script/res/ResManager.ts b/assets/Script/res/ResManager.ts
index 8329e9c..6b5e859 100644
--- a/assets/Script/res/ResManager.ts
+++ b/assets/Script/res/ResManager.ts
@@ -188,17 +188,19 @@ export default class ResManager {
      * 释放一个资源
      * @param item 资源的item对象
      */
-    private releaseItem(item: any) {
+    private releaseItem(item: any, dec: boolean = false) {
         if (item && item.content) {
             let asset: any = item.content;
             let res = item.uuid || item.id;
             if (asset instanceof cc.Asset) {
-                asset.decRef(false);
-                if (asset.refCount == 0) {
+                if (dec) {
+                    asset.decRef(false);
+                }
+                if (asset.refCount <= 0) {
                     let depends = item.dependKeys;
                     if (depends) {
                         for (var i = 0; i < depends.length; i++) {
-                            this.releaseItem(loader.getItem(depends[i]));
+                            this.releaseItem(loader.getItem(depends[i]), true);
                         }
                     }