diff --git a/webmagic-samples/src/main/java/us/codecraft/webmagic/model/samples/DianpingFtlDataScanner.java b/webmagic-samples/src/main/java/us/codecraft/webmagic/model/samples/DianpingFtlDataScanner.java
index 7239e36..77def20 100644
--- a/webmagic-samples/src/main/java/us/codecraft/webmagic/model/samples/DianpingFtlDataScanner.java
+++ b/webmagic-samples/src/main/java/us/codecraft/webmagic/model/samples/DianpingFtlDataScanner.java
@@ -21,7 +21,7 @@ public class DianpingFtlDataScanner implements AfterExtractor {
 	private List<String> data;
 
 	public static void main(String[] args) {
-		OOSpider.create(Site.me().addStartUrl("http://w.alpha.dp/").setSleepTime(0), DianpingFtlDataScanner.class)
+		OOSpider.create(Site.me().setSleepTime(0), DianpingFtlDataScanner.class)
 				.thread(5).run();
 	}
 
diff --git a/webmagic-samples/src/main/java/us/codecraft/webmagic/model/samples/GithubRepo.java b/webmagic-samples/src/main/java/us/codecraft/webmagic/model/samples/GithubRepo.java
index e8998ec..941bdbd 100644
--- a/webmagic-samples/src/main/java/us/codecraft/webmagic/model/samples/GithubRepo.java
+++ b/webmagic-samples/src/main/java/us/codecraft/webmagic/model/samples/GithubRepo.java
@@ -41,9 +41,10 @@ public class GithubRepo implements HasKey {
     private String url;
 
     public static void main(String[] args) {
-        OOSpider.create(Site.me().addStartUrl("https://github.com/explore").setSleepTime(0).setRetryTimes(3),
+        OOSpider.create(Site.me().setSleepTime(0).setRetryTimes(3),
                 new JsonFilePageModelPipeline(), GithubRepo.class)
-                .scheduler(new FileCacheQueueScheduler("/data/webmagic/cache/")).thread(15).run();
+                .addUrl("https://github.com/explore")
+                .setScheduler(new FileCacheQueueScheduler("/data/webmagic/cache/")).thread(15).run();
     }
 
     @Override
diff --git a/webmagic-samples/src/main/java/us/codecraft/webmagic/model/samples/IteyeBlog.java b/webmagic-samples/src/main/java/us/codecraft/webmagic/model/samples/IteyeBlog.java
index 7e3dc51..6a10f47 100644
--- a/webmagic-samples/src/main/java/us/codecraft/webmagic/model/samples/IteyeBlog.java
+++ b/webmagic-samples/src/main/java/us/codecraft/webmagic/model/samples/IteyeBlog.java
@@ -28,7 +28,7 @@ public class IteyeBlog implements Blog{
     }
 
     public static void main(String[] args) {
-        OOSpider.create(Site.me().addStartUrl("http://flashsword20.iteye.com/blog"), IteyeBlog.class).run();
+        OOSpider.create(Site.me(), IteyeBlog.class).addUrl("http://flashsword20.iteye.com/blog").run();
     }
 
     public String getTitle() {
diff --git a/webmagic-samples/src/main/java/us/codecraft/webmagic/model/samples/Kr36NewsModel.java b/webmagic-samples/src/main/java/us/codecraft/webmagic/model/samples/Kr36NewsModel.java
index a1ef3fd..a1cc545 100644
--- a/webmagic-samples/src/main/java/us/codecraft/webmagic/model/samples/Kr36NewsModel.java
+++ b/webmagic-samples/src/main/java/us/codecraft/webmagic/model/samples/Kr36NewsModel.java
@@ -32,12 +32,12 @@ public class Kr36NewsModel {
 
     public static void main(String[] args) throws IOException, JMException {
         //Just for benchmark
-        Spider thread = OOSpider.create(Site.me().addStartUrl("http://www.36kr.com/").setSleepTime(0), new PageModelPipeline() {
+        Spider thread = OOSpider.create(Site.me().setSleepTime(0), new PageModelPipeline() {
             @Override
             public void process(Object o, Task task) {
 
             }
-        }, Kr36NewsModel.class).thread(20);
+        }, Kr36NewsModel.class).thread(20).addUrl("http://www.36kr.com/");
         thread.start();
         SpiderMonitor spiderMonitor = SpiderMonitor.instance();
         spiderMonitor.register(thread);
diff --git a/webmagic-samples/src/main/java/us/codecraft/webmagic/model/samples/OschinaAnswer.java b/webmagic-samples/src/main/java/us/codecraft/webmagic/model/samples/OschinaAnswer.java
index 112f86a..cd93093 100644
--- a/webmagic-samples/src/main/java/us/codecraft/webmagic/model/samples/OschinaAnswer.java
+++ b/webmagic-samples/src/main/java/us/codecraft/webmagic/model/samples/OschinaAnswer.java
@@ -22,7 +22,7 @@ public class OschinaAnswer implements AfterExtractor{
     private String content;
 
     public static void main(String[] args) {
-        OOSpider.create(Site.me().addStartUrl("http://www.oschina.net/question/567527_120597"), OschinaAnswer.class).run();
+        OOSpider.create(Site.me(), OschinaAnswer.class).addUrl("http://www.oschina.net/question/567527_120597").run();
     }
 
     @Override
diff --git a/webmagic-samples/src/main/java/us/codecraft/webmagic/model/samples/OschinaBlog.java b/webmagic-samples/src/main/java/us/codecraft/webmagic/model/samples/OschinaBlog.java
index 468b855..286e6f5 100644
--- a/webmagic-samples/src/main/java/us/codecraft/webmagic/model/samples/OschinaBlog.java
+++ b/webmagic-samples/src/main/java/us/codecraft/webmagic/model/samples/OschinaBlog.java
@@ -26,7 +26,7 @@ public class OschinaBlog{
 
     public static void main(String[] args) {
         OOSpider.create(Site.me()
-                .setUserAgent("Mozilla/5.0 (Macintosh; Intel Mac OS X 10_8_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/30.0.1599.101 Safari/537.36").addStartUrl("http://my.oschina.net/flashsword/blog")
+                .setUserAgent("Mozilla/5.0 (Macintosh; Intel Mac OS X 10_8_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/30.0.1599.101 Safari/537.36")
                 .setSleepTime(0)
                 .setRetryTimes(3)
                 ,new PageModelPipeline() {
@@ -34,7 +34,7 @@ public class OschinaBlog{
             public void process(Object o, Task task) {
 
             }
-        }, OschinaBlog.class).thread(10).run();
+        }, OschinaBlog.class).thread(10).addUrl("http://my.oschina.net/flashsword/blog").run();
     }
 
     public String getTitle() {