diff --git a/webmagic-core/src/main/java/us/codecraft/webmagic/Spider.java b/webmagic-core/src/main/java/us/codecraft/webmagic/Spider.java
index efff6ec..c5c239f 100644
--- a/webmagic-core/src/main/java/us/codecraft/webmagic/Spider.java
+++ b/webmagic-core/src/main/java/us/codecraft/webmagic/Spider.java
@@ -2,7 +2,6 @@ package us.codecraft.webmagic;
 
 import org.apache.commons.collections.CollectionUtils;
 import org.apache.log4j.Logger;
-import us.codecraft.webmagic.downloader.Destroyable;
 import us.codecraft.webmagic.downloader.Downloader;
 import us.codecraft.webmagic.downloader.HttpClientDownloader;
 import us.codecraft.webmagic.pipeline.ConsolePipeline;
@@ -12,6 +11,8 @@ import us.codecraft.webmagic.scheduler.QueueScheduler;
 import us.codecraft.webmagic.scheduler.Scheduler;
 import us.codecraft.webmagic.utils.ThreadUtils;
 
+import java.io.Closeable;
+import java.io.IOException;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.concurrent.ExecutorService;
@@ -279,8 +280,12 @@ public class Spider implements Runnable, Task {
     }
 
     private void destroyEach(Object object) {
-        if (object instanceof Destroyable) {
-            ((Destroyable) object).destroy();
+        if (object instanceof Closeable) {
+            try {
+                ((Closeable) object).close();
+            } catch (IOException e) {
+                e.printStackTrace();
+            }
         }
     }
 
diff --git a/webmagic-core/src/main/java/us/codecraft/webmagic/downloader/Destroyable.java b/webmagic-core/src/main/java/us/codecraft/webmagic/downloader/Destroyable.java
deleted file mode 100644
index 6dcbde1..0000000
--- a/webmagic-core/src/main/java/us/codecraft/webmagic/downloader/Destroyable.java
+++ /dev/null
@@ -1,13 +0,0 @@
-package us.codecraft.webmagic.downloader;
-
-/**
- * 比较占用资源的服务可以实现该接口，Spider会在结束时调用destroy()释放资源。<br>
- * @author code4crafter@gmail.com <br>
- * Date: 13-7-26 <br>
- * Time: 下午3:10 <br>
- */
-public interface Destroyable {
-
-    public void destroy();
-
-}
diff --git a/webmagic-extension/src/main/java/us/codecraft/webmagic/model/OOSpider.java b/webmagic-extension/src/main/java/us/codecraft/webmagic/model/OOSpider.java
index bff5a3a..d7f2b87 100644
--- a/webmagic-extension/src/main/java/us/codecraft/webmagic/model/OOSpider.java
+++ b/webmagic-extension/src/main/java/us/codecraft/webmagic/model/OOSpider.java
@@ -56,7 +56,7 @@ public class OOSpider extends Spider {
     public OOSpider(Site site, PageModelPipeline pageModelPipeline, Class... pageModels) {
         this(ModelPageProcessor.create(site, pageModels));
         this.modelPipeline = new ModelPipeline();
-        super.pipeline(modelPipeline);
+        super.addPipeline(modelPipeline);
         if (pageModelPipeline!=null){
             for (Class pageModel : pageModels) {
                 this.modelPipeline.put(pageModel, pageModelPipeline);
diff --git a/webmagic-selenium/src/main/java/us/codecraft/webmagic/downloader/selenium/SeleniumDownloader.java b/webmagic-selenium/src/main/java/us/codecraft/webmagic/downloader/selenium/SeleniumDownloader.java
index 0fa0eea..3d4fcdb 100644
--- a/webmagic-selenium/src/main/java/us/codecraft/webmagic/downloader/selenium/SeleniumDownloader.java
+++ b/webmagic-selenium/src/main/java/us/codecraft/webmagic/downloader/selenium/SeleniumDownloader.java
@@ -9,12 +9,13 @@ import us.codecraft.webmagic.Page;
 import us.codecraft.webmagic.Request;
 import us.codecraft.webmagic.Site;
 import us.codecraft.webmagic.Task;
-import us.codecraft.webmagic.downloader.Destroyable;
 import us.codecraft.webmagic.downloader.Downloader;
 import us.codecraft.webmagic.selector.Html;
 import us.codecraft.webmagic.selector.PlainText;
 import us.codecraft.webmagic.utils.UrlUtils;
 
+import java.io.Closeable;
+import java.io.IOException;
 import java.util.Map;
 
 /**
@@ -25,7 +26,7 @@ import java.util.Map;
  * Date: 13-7-26 <br>
  * Time: 下午1:37 <br>
  */
-public class SeleniumDownloader implements Downloader, Destroyable {
+public class SeleniumDownloader implements Downloader, Closeable {
 
     private volatile WebDriverPool webDriverPool;
 
@@ -104,7 +105,7 @@ public class SeleniumDownloader implements Downloader, Destroyable {
     }
 
     @Override
-    public void destroy() {
+    public void close() throws IOException {
         webDriverPool.closeAll();
     }
 }