diff --git a/release-note.md b/release-note.md
index a778a3e..9582302 100755
--- a/release-note.md
+++ b/release-note.md
@@ -28,13 +28,15 @@ Release Notes
 
     }
 
+增加一个Spider.test(url)方法，用于开发爬虫时进行调试。
+
 增加基于redis的分布式支持。
 
 增加XPath2.0语法支持(webmagic-saxon模块)。
 
 增加基于Selenium的浏览器渲染支持，用于抓取动态加载内容(webmagic-selenium模块)。
 
-修复一些已有bug。
+修复了不支持https的bug。
 
 补充了文档：[webmagic-0.2.0用户手册](http://code4craft.github.io/webmagic/)。
 
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 0126881..32653d6 100644
--- a/webmagic-core/src/main/java/us/codecraft/webmagic/Spider.java
+++ b/webmagic-core/src/main/java/us/codecraft/webmagic/Spider.java
@@ -220,9 +220,17 @@ public class Spider implements Runnable, Task {
         }
     }
 
-    public void test(String url){
+    /**
+     * 用某些特定URL进行爬虫测试
+     * @param urls 要抓取的url
+     */
+    public void test(String... urls){
         checkComponent();
-        processRequest(new Request(url));
+        if (urls.length>0){
+            for (String url : urls) {
+                processRequest(new Request(url));
+            }
+        }
     }
 
     private void processRequest(Request request) {
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 edef1c0..79a20ff 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
@@ -8,6 +8,7 @@ import us.codecraft.webmagic.model.annotation.ExtractByUrl;
 import us.codecraft.webmagic.model.annotation.HelpUrl;
 import us.codecraft.webmagic.model.annotation.TargetUrl;
 import us.codecraft.webmagic.pipeline.JsonFilePageModelPipeline;
+import us.codecraft.webmagic.scheduler.FileCacheQueueScheduler;
 
 import java.util.List;
 
@@ -32,12 +33,19 @@ public class GithubRepo implements HasKey {
     @ExtractBy(value = "//div[@class='repository-lang-stats']//li//span[@class='lang']",multi = true)
     private List<String> language;
 
+    @ExtractBy("//a[@class='social-count js-social-count']/text()")
+    private String star;
+
+    @ExtractBy("//a[@class='social-count js-social-count']/text()")
+    private String fork;
+
     @ExtractByUrl
     private String url;
 
     public static void main(String[] args) {
-        OOSpider.create(Site.me().addStartUrl("https://github.com/explore").setSleepTime(0),
-                new JsonFilePageModelPipeline(), GithubRepo.class).thread(15).run();
+        OOSpider.create(Site.me().addStartUrl("https://github.com/explore").setSleepTime(0).setRetryTimes(3),
+                new JsonFilePageModelPipeline(), GithubRepo.class)
+                .scheduler(new FileCacheQueueScheduler("/data/webmagic/cache/")).thread(15).run();
     }
 
     @Override
@@ -64,4 +72,12 @@ public class GithubRepo implements HasKey {
     public String getUrl() {
         return url;
     }
+
+    public String getStar() {
+        return star;
+    }
+
+    public String getFork() {
+        return fork;
+    }
 }