diff --git a/webmagic-core/src/main/java/us/codecraft/webmagic/downloader/HttpClientDownloader.java b/webmagic-core/src/main/java/us/codecraft/webmagic/downloader/HttpClientDownloader.java
index 4332fa32..c1ecff3e 100644
--- a/webmagic-core/src/main/java/us/codecraft/webmagic/downloader/HttpClientDownloader.java
+++ b/webmagic-core/src/main/java/us/codecraft/webmagic/downloader/HttpClientDownloader.java
@@ -33,7 +33,7 @@ public class HttpClientDownloader implements Downloader {
             if (site.getAcceptStatCode().contains(statusCode)) {
                 if (site.getEncoding() == null){
                     String value = httpResponse.getEntity().getContentType().getValue();
-                    site.setEncoding(new PlainText(value).r("charset=([^\\s]+)").toString());
+                    site.setEncoding(new PlainText(value).regex("charset=([^\\s]+)").toString());
                 }
                 String content = IOUtils.toString(httpResponse.getEntity().getContent(),
                          site.getEncoding());
diff --git a/webmagic-core/src/main/java/us/codecraft/webmagic/processor/SimplePageProcessor.java b/webmagic-core/src/main/java/us/codecraft/webmagic/processor/SimplePageProcessor.java
index 3ffc9a32..0d524462 100644
--- a/webmagic-core/src/main/java/us/codecraft/webmagic/processor/SimplePageProcessor.java
+++ b/webmagic-core/src/main/java/us/codecraft/webmagic/processor/SimplePageProcessor.java
@@ -28,13 +28,13 @@ public class SimplePageProcessor implements PageProcessor {
 
     @Override
     public void process(Page page) {
-        List<String> requests = page.getHtml().as().rs(urlPattern).toStrings();
+        List<String> requests = page.getHtml().links().regex(urlPattern).toStrings();
         //调用page.addTargetRequests()方法添加待抓取链接
         page.addTargetRequests(requests);
         //xpath方式抽取
-        page.putField("title", page.getHtml().x("//title"));
+        page.putField("title", page.getHtml().xpath("//title"));
         //sc表示使用Readability技术抽取正文
-        page.putField("content", page.getHtml().sc());
+        page.putField("content", page.getHtml().smartContent());
     }
 
     @Override
diff --git a/webmagic-core/src/main/java/us/codecraft/webmagic/selector/Html.java b/webmagic-core/src/main/java/us/codecraft/webmagic/selector/Html.java
index 3b3c80af..3cc84f79 100644
--- a/webmagic-core/src/main/java/us/codecraft/webmagic/selector/Html.java
+++ b/webmagic-core/src/main/java/us/codecraft/webmagic/selector/Html.java
@@ -18,12 +18,6 @@ public class Html extends PlainText {
         super(text);
     }
 
-    @Override
-    public Selectable x(String xpath) {
-        XpathSelector xpathSelector = SelectorFactory.getInstatnce().newXpathSelector(xpath);
-        return select(xpathSelector,strings);
-    }
-
     @Override
     protected Selectable select(Selector selector, List<String> strings) {
         List<String> results = new ArrayList<String>();
@@ -47,25 +41,19 @@ public class Html extends PlainText {
     }
 
     @Override
-    public Selectable sc() {
+    public Selectable smartContent() {
         SmartContentSelector smartContentSelector = SelectorFactory.getInstatnce().newSmartContentSelector();
         return select(smartContentSelector,strings);
     }
 
     @Override
-    public Selectable a() {
-        XpathSelector xpathSelector = SelectorFactory.getInstatnce().newXpathSelector("//a/@href");
-        return select(xpathSelector,strings);
-    }
-
-    @Override
-    public Selectable as() {
+    public Selectable links() {
         XpathSelector xpathSelector = SelectorFactory.getInstatnce().newXpathSelector("//a/@href");
         return selectList(xpathSelector,strings);
     }
 
     @Override
-    public Selectable xs(String xpath) {
+    public Selectable xpath(String xpath) {
         XpathSelector xpathSelector = SelectorFactory.getInstatnce().newXpathSelector(xpath);
         return selectList(xpathSelector, strings);
     }
diff --git a/webmagic-core/src/main/java/us/codecraft/webmagic/selector/PlainText.java b/webmagic-core/src/main/java/us/codecraft/webmagic/selector/PlainText.java
index a11c9a29..935ababa 100644
--- a/webmagic-core/src/main/java/us/codecraft/webmagic/selector/PlainText.java
+++ b/webmagic-core/src/main/java/us/codecraft/webmagic/selector/PlainText.java
@@ -25,38 +25,22 @@ public class PlainText implements Selectable {
     }
 
     @Override
-    public Selectable x(String xpath) {
+    public Selectable xpath(String xpath) {
         throw new UnsupportedOperationException();
     }
 
     @Override
-    public Selectable xs(String xpath) {
+    public Selectable smartContent() {
         throw new UnsupportedOperationException();
     }
 
     @Override
-    public Selectable sc() {
+    public Selectable links() {
         throw new UnsupportedOperationException();
     }
 
     @Override
-    public Selectable a() {
-        throw new UnsupportedOperationException();
-    }
-
-    @Override
-    public Selectable as() {
-        throw new UnsupportedOperationException();
-    }
-
-    @Override
-    public Selectable r(String regex) {
-        RegexSelector regexSelector = SelectorFactory.getInstatnce().newRegexSelector(regex);
-        return select(regexSelector, strings);
-    }
-
-    @Override
-    public Selectable rs(String regex) {
+    public Selectable regex(String regex) {
         RegexSelector regexSelector = SelectorFactory.getInstatnce().newRegexSelector(regex);
         return selectList(regexSelector, strings);
     }
@@ -82,7 +66,7 @@ public class PlainText implements Selectable {
     }
 
     @Override
-    public Selectable rp(String regex, String replacement) {
+    public Selectable replace(String regex, String replacement) {
         ReplaceSelector replaceSelector = SelectorFactory.getInstatnce().newReplaceSelector(regex, replacement);
         return select(replaceSelector, strings);
     }
diff --git a/webmagic-core/src/main/java/us/codecraft/webmagic/selector/Selectable.java b/webmagic-core/src/main/java/us/codecraft/webmagic/selector/Selectable.java
index 921e6c3f..630808d3 100644
--- a/webmagic-core/src/main/java/us/codecraft/webmagic/selector/Selectable.java
+++ b/webmagic-core/src/main/java/us/codecraft/webmagic/selector/Selectable.java
@@ -9,51 +9,27 @@ import java.util.List;
  */
 public interface Selectable {
 
-    /**
-     * select with xpath
-     *
-     * @param xpath
-     * @return new Selectable after extract
-     */
-    public Selectable x(String xpath);
-
     /**
      * select list with xpath
      *
      * @param xpath
      * @return new Selectable after extract
      */
-    public Selectable xs(String xpath);
+    public Selectable xpath(String xpath);
 
     /**
      * select smart content with ReadAbility algorithm
      *
      * @return content
      */
-    public Selectable sc();
-
-    /**
-     * select a link
-     *
-     * @return first link
-     */
-    public Selectable a();
+    public Selectable smartContent();
 
     /**
      * select all links
      *
      * @return all links
      */
-    public Selectable as();
-
-
-    /**
-     * select with regex
-     *
-     * @param regex
-     * @return new Selectable after extract
-     */
-    public Selectable r(String regex);
+    public Selectable links();
 
     /**
      * select list with regex
@@ -61,7 +37,7 @@ public interface Selectable {
      * @param regex
      * @return new Selectable after extract
      */
-    public Selectable rs(String regex);
+    public Selectable regex(String regex);
 
     /**
      * replace with regex
@@ -70,7 +46,7 @@ public interface Selectable {
      * @param replacement
      * @return new Selectable after extract
      */
-    public Selectable rp(String regex, String replacement);
+    public Selectable replace(String regex, String replacement);
 
     /**
      * single string result
diff --git a/webmagic-core/src/test/java/us/codecraft/webmagic/HtmlTest.java b/webmagic-core/src/test/java/us/codecraft/webmagic/HtmlTest.java
index 6dacc983..fcdbfeff 100644
--- a/webmagic-core/src/test/java/us/codecraft/webmagic/HtmlTest.java
+++ b/webmagic-core/src/test/java/us/codecraft/webmagic/HtmlTest.java
@@ -14,7 +14,7 @@ public class HtmlTest {
     @Test
     public void testRegexSelector() {
         Html selectable = new Html("aaaaaaab");
-        Assert.assertEquals("abbabbab", (selectable.r("(.*)").rp("aa(a)", "$1bb").toString()));
+        Assert.assertEquals("abbabbab", (selectable.regex("(.*)").replace("aa(a)", "$1bb").toString()));
 
     }
 }
diff --git a/webmagic-core/src/test/java/us/codecraft/webmagic/selector/XpathSelectorTest.java b/webmagic-core/src/test/java/us/codecraft/webmagic/selector/XpathSelectorTest.java
index 8ee88859..bebbb83d 100644
--- a/webmagic-core/src/test/java/us/codecraft/webmagic/selector/XpathSelectorTest.java
+++ b/webmagic-core/src/test/java/us/codecraft/webmagic/selector/XpathSelectorTest.java
@@ -1350,7 +1350,7 @@ public class XpathSelectorTest {
     @Test
     public void testOschina() {
         Html html1 = new Html(html);
-        Assert.assertEquals("再次吐槽easyui", html1.x(".//*[@class='QTitle']/h1/a").toString());
+        Assert.assertEquals("再次吐槽easyui", html1.xpath(".//*[@class='QTitle']/h1/a").toString());
     }
 
 }
diff --git a/webmagic-samples/src/main/java/us/codecraft/webmagic/samples/DiandianBlogProcessor.java b/webmagic-samples/src/main/java/us/codecraft/webmagic/samples/DiandianBlogProcessor.java
index a5b355cb..e5aafe7a 100644
--- a/webmagic-samples/src/main/java/us/codecraft/webmagic/samples/DiandianBlogProcessor.java
+++ b/webmagic-samples/src/main/java/us/codecraft/webmagic/samples/DiandianBlogProcessor.java
@@ -17,20 +17,20 @@ public class DiandianBlogProcessor implements PageProcessor {
 
     @Override
     public void process(Page page) {
-        //a()表示提取链接，as()表示提取所有链接
+        //a()表示提取链接，links()表示提取所有链接
         //getHtml()返回Html对象，支持链式调用
-        //r()表示用正则表达式提取一条内容，rs()表示提取多条内容
+        //r()表示用正则表达式提取一条内容，regex()表示提取多条内容
         //toString()表示取单条结果，toStrings()表示取多条
-        List<String> requests = page.getHtml().as().rs("(.*/post/.*)").toStrings();
+        List<String> requests = page.getHtml().links().regex("(.*/post/.*)").toStrings();
         //使用page.addTargetRequests()方法将待抓取的链接加入队列
         page.addTargetRequests(requests);
         //page.putField(key,value)将抽取的内容加入结果Map
         //x()和xs()使用xpath进行抽取
-        page.putField("title", page.getHtml().x("//title").r("(.*?)\\|"));
-        //sc()使用readability技术直接抽取正文，对于规整的文本有比较好的抽取正确率
-        page.putField("content", page.getHtml().sc());
-        page.putField("date", page.getUrl().r("post/(\\d+-\\d+-\\d+)/"));
-        page.putField("id", page.getUrl().r("post/\\d+-\\d+-\\d+/(\\d+)"));
+        page.putField("title", page.getHtml().xpath("//title").regex("(.*?)\\|"));
+        //smartContent()使用readability技术直接抽取正文，对于规整的文本有比较好的抽取正确率
+        page.putField("content", page.getHtml().smartContent());
+        page.putField("date", page.getUrl().regex("post/(\\d+-\\d+-\\d+)/"));
+        page.putField("id", page.getUrl().regex("post/\\d+-\\d+-\\d+/(\\d+)"));
     }
 
     @Override
diff --git a/webmagic-samples/src/main/java/us/codecraft/webmagic/samples/DianpingProcessor.java b/webmagic-samples/src/main/java/us/codecraft/webmagic/samples/DianpingProcessor.java
index 2f28e6a3..7a211882 100644
--- a/webmagic-samples/src/main/java/us/codecraft/webmagic/samples/DianpingProcessor.java
+++ b/webmagic-samples/src/main/java/us/codecraft/webmagic/samples/DianpingProcessor.java
@@ -15,13 +15,13 @@ import java.util.List;
 public class DianpingProcessor implements PageProcessor {
     @Override
     public void process(Page page) {
-        List<String> requests = page.getHtml().as().rs(".*shop.*").toStrings();
+        List<String> requests = page.getHtml().links().regex(".*shop.*").toStrings();
         page.addTargetRequests(requests);
-        requests = page.getHtml().rs(".*search/category/.*").toStrings();
+        requests = page.getHtml().regex(".*search/category/.*").toStrings();
         page.addTargetRequests(requests);
         if (page.getUrl().toString().contains("shop")) {
-            page.putField("title", page.getHtml().x("//h1[@class='shop-title']"));
-            page.putField("content", page.getHtml().sc());
+            page.putField("title", page.getHtml().xpath("//h1[@class='shop-title']"));
+            page.putField("content", page.getHtml().smartContent());
         }
     }
 
diff --git a/webmagic-samples/src/main/java/us/codecraft/webmagic/samples/DiaoyuwengProcessor.java b/webmagic-samples/src/main/java/us/codecraft/webmagic/samples/DiaoyuwengProcessor.java
index f5032ff7..13ed2e11 100644
--- a/webmagic-samples/src/main/java/us/codecraft/webmagic/samples/DiaoyuwengProcessor.java
+++ b/webmagic-samples/src/main/java/us/codecraft/webmagic/samples/DiaoyuwengProcessor.java
@@ -18,15 +18,15 @@ public class DiaoyuwengProcessor implements PageProcessor {
 
     @Override
     public void process(Page page) {
-        List<String> requests = page.getHtml().as().rs("(http://www\\.diaoyuweng\\.com/home\\.php\\?mod=space&uid=88304&do=thread&view=me&type=thread&order=dateline&from=space&page=\\d+)").toStrings();
+        List<String> requests = page.getHtml().links().regex("(http://www\\.diaoyuweng\\.com/home\\.php\\?mod=space&uid=88304&do=thread&view=me&type=thread&order=dateline&from=space&page=\\d+)").toStrings();
         page.addTargetRequests(requests);
-        requests = page.getHtml().as().rs("(http://www\\.diaoyuweng\\.com/thread-\\d+-1-1.html)").toStrings();
+        requests = page.getHtml().links().regex("(http://www\\.diaoyuweng\\.com/thread-\\d+-1-1.html)").toStrings();
         page.addTargetRequests(requests);
         if (page.getUrl().toString().contains("thread")){
-            page.putField("title", page.getHtml().x("//a[@id='thread_subject']"));
-            page.putField("content", page.getHtml().x("//div[@class='pcb']//tbody"));
-            page.putField("date",page.getHtml().r("发表于 (\\d{4}-\\d+-\\d+ \\d+:\\d+:\\d+)"));
-            page.putField("id",new PlainText("1000"+page.getUrl().r("http://www\\.diaoyuweng\\.com/thread-(\\d+)-1-1.html").toString()));
+            page.putField("title", page.getHtml().xpath("//a[@id='thread_subject']"));
+            page.putField("content", page.getHtml().xpath("//div[@class='pcb']//tbody"));
+            page.putField("date",page.getHtml().regex("发表于 (\\d{4}-\\d+-\\d+ \\d+:\\d+:\\d+)"));
+            page.putField("id",new PlainText("1000"+page.getUrl().regex("http://www\\.diaoyuweng\\.com/thread-(\\d+)-1-1.html").toString()));
         }
     }
 
diff --git a/webmagic-samples/src/main/java/us/codecraft/webmagic/samples/F58PageProcesser.java b/webmagic-samples/src/main/java/us/codecraft/webmagic/samples/F58PageProcesser.java
index 385e3f27..9d5140a2 100644
--- a/webmagic-samples/src/main/java/us/codecraft/webmagic/samples/F58PageProcesser.java
+++ b/webmagic-samples/src/main/java/us/codecraft/webmagic/samples/F58PageProcesser.java
@@ -15,10 +15,10 @@ public class F58PageProcesser implements PageProcessor {
 
     @Override
     public void process(Page page) {
-        List<String> strings = page.getHtml().rs("<a[^<>]*href=[\"']{1}(/yewu/.*?)[\"']{1}").toStrings();
+        List<String> strings = page.getHtml().regex("<a[^<>]*href=[\"']{1}(/yewu/.*?)[\"']{1}").toStrings();
         page.addTargetRequests(strings);
-        page.putField("title",page.getHtml().r("<title>(.*)</title>"));
-        page.putField("body",page.getHtml().x("//dd[@class='w133']"));
+        page.putField("title",page.getHtml().regex("<title>(.*)</title>"));
+        page.putField("body",page.getHtml().xpath("//dd[@class='w133']"));
     }
 
     @Override
diff --git a/webmagic-samples/src/main/java/us/codecraft/webmagic/samples/HuxiuProcessor.java b/webmagic-samples/src/main/java/us/codecraft/webmagic/samples/HuxiuProcessor.java
index 1fa0b7b5..26c60cc2 100644
--- a/webmagic-samples/src/main/java/us/codecraft/webmagic/samples/HuxiuProcessor.java
+++ b/webmagic-samples/src/main/java/us/codecraft/webmagic/samples/HuxiuProcessor.java
@@ -15,10 +15,10 @@ public class HuxiuProcessor implements PageProcessor {
     @Override
     public void process(Page page) {
         //http://progressdaily.diandian.com/post/2013-01-24/40046867275
-        List<String> requests = page.getHtml().rs("<a[^<>\"']*href=[\"']{1}([/]{0,1}article[^<>#\"']*?)[\"']{1}").toStrings();
+        List<String> requests = page.getHtml().regex("<a[^<>\"']*href=[\"']{1}([/]{0,1}article[^<>#\"']*?)[\"']{1}").toStrings();
         page.addTargetRequests(requests);
-        page.putField("title",page.getHtml().x("//div[@class='neirong']//h1[@class='ph xs5']"));
-        page.putField("content",page.getHtml().sc());
+        page.putField("title",page.getHtml().xpath("//div[@class='neirong']//h1[@class='ph xs5']"));
+        page.putField("content",page.getHtml().smartContent());
     }
 
     @Override
diff --git a/webmagic-samples/src/main/java/us/codecraft/webmagic/samples/KaichibaProcessor.java b/webmagic-samples/src/main/java/us/codecraft/webmagic/samples/KaichibaProcessor.java
index 8ea4afe2..0a51b364 100644
--- a/webmagic-samples/src/main/java/us/codecraft/webmagic/samples/KaichibaProcessor.java
+++ b/webmagic-samples/src/main/java/us/codecraft/webmagic/samples/KaichibaProcessor.java
@@ -13,10 +13,10 @@ public class KaichibaProcessor implements PageProcessor {
     @Override
     public void process(Page page) {
         //http://progressdaily.diandian.com/post/2013-01-24/40046867275
-        int i = Integer.valueOf(page.getUrl().r("shop/(\\d+)").toString()) + 1;
+        int i = Integer.valueOf(page.getUrl().regex("shop/(\\d+)").toString()) + 1;
         page.addTargetRequest("http://kaichiba.com/shop/" + i);
-        page.putField("title",page.getHtml().x("//Title"));
-        page.putField("items", page.getHtml().xs("//li[@class=\"foodTitle\"]").rp("^\\s+", "").rp("\\s+$", "").rp("<span>.*?</span>", ""));
+        page.putField("title",page.getHtml().xpath("//Title"));
+        page.putField("items", page.getHtml().xpath("//li[@class=\"foodTitle\"]").replace("^\\s+", "").replace("\\s+$", "").replace("<span>.*?</span>", ""));
     }
 
     @Override
diff --git a/webmagic-samples/src/main/java/us/codecraft/webmagic/samples/MeicanProcessor.java b/webmagic-samples/src/main/java/us/codecraft/webmagic/samples/MeicanProcessor.java
index 98fe8de7..bd218113 100644
--- a/webmagic-samples/src/main/java/us/codecraft/webmagic/samples/MeicanProcessor.java
+++ b/webmagic-samples/src/main/java/us/codecraft/webmagic/samples/MeicanProcessor.java
@@ -15,14 +15,14 @@ public class MeicanProcessor implements PageProcessor {
     @Override
     public void process(Page page) {
         //http://progressdaily.diandian.com/post/2013-01-24/40046867275
-        List<String> requests = page.getHtml().xs("//a[@class=\"area_link flat_btn\"]/@href").toStrings();
+        List<String> requests = page.getHtml().xpath("//a[@class=\"area_link flat_btn\"]/@href").toStrings();
         if (requests.size() > 2) {
             requests = requests.subList(0, 2);
         }
         page.addTargetRequests(requests);
-        page.addTargetRequests(page.getHtml().as().rs("(.*/restaurant/[^#]+)").toStrings());
-        page.putField("items", page.getHtml().xs("//ul[@class=\"dishes menu_dishes\"]/li/span[@class=\"name\"]"));
-        page.putField("prices", page.getHtml().xs("//ul[@class=\"dishes menu_dishes\"]/li/span[@class=\"price_outer\"]/span[@class=\"price\"]"));
+        page.addTargetRequests(page.getHtml().links().regex("(.*/restaurant/[^#]+)").toStrings());
+        page.putField("items", page.getHtml().xpath("//ul[@class=\"dishes menu_dishes\"]/li/span[@class=\"name\"]"));
+        page.putField("prices", page.getHtml().xpath("//ul[@class=\"dishes menu_dishes\"]/li/span[@class=\"price_outer\"]/span[@class=\"price\"]"));
     }
 
     @Override
diff --git a/webmagic-samples/src/main/java/us/codecraft/webmagic/samples/NjuBBSProcessor.java b/webmagic-samples/src/main/java/us/codecraft/webmagic/samples/NjuBBSProcessor.java
index e4cc33cf..a7e9c9ba 100644
--- a/webmagic-samples/src/main/java/us/codecraft/webmagic/samples/NjuBBSProcessor.java
+++ b/webmagic-samples/src/main/java/us/codecraft/webmagic/samples/NjuBBSProcessor.java
@@ -14,10 +14,10 @@ import java.util.List;
 public class NjuBBSProcessor implements PageProcessor {
     @Override
     public void process(Page page) {
-        List<String> requests = page.getHtml().rs("<a[^<>]*href=(bbstcon\\?board=Pictures&file=[^>]*)").toStrings();
+        List<String> requests = page.getHtml().regex("<a[^<>]*href=(bbstcon\\?board=Pictures&file=[^>]*)").toStrings();
         page.addTargetRequests(requests);
-        page.putField("title",page.getHtml().x("//div[@id='content']//h2/a"));
-        page.putField("content",page.getHtml().sc());
+        page.putField("title",page.getHtml().xpath("//div[@id='content']//h2/a"));
+        page.putField("content",page.getHtml().smartContent());
     }
 
     @Override
diff --git a/webmagic-samples/src/main/java/us/codecraft/webmagic/samples/OschinaBlogPageProcesser.java b/webmagic-samples/src/main/java/us/codecraft/webmagic/samples/OschinaBlogPageProcesser.java
index 0d6354d8..9293b41c 100644
--- a/webmagic-samples/src/main/java/us/codecraft/webmagic/samples/OschinaBlogPageProcesser.java
+++ b/webmagic-samples/src/main/java/us/codecraft/webmagic/samples/OschinaBlogPageProcesser.java
@@ -15,11 +15,11 @@ public class OschinaBlogPageProcesser implements PageProcessor {
 
     @Override
     public void process(Page page) {
-        List<String> strings = page.getHtml().as().r("(http://my\\.oschina\\.net)").toStrings();
+        List<String> strings = page.getHtml().links().regex("(http://my\\.oschina\\.net)").toStrings();
         page.addTargetRequests(strings);
-        page.putField("title", page.getHtml().xs("//div[@class='BlogEntity']/div[@class='BlogTitle']/h1"));
-        page.putField("content", page.getHtml().sc());
-        page.putField("author", page.getUrl().r("my\\.oschina\\.net/(\\w+)/blog/\\d+"));
+        page.putField("title", page.getHtml().xpath("//div[@class='BlogEntity']/div[@class='BlogTitle']/h1"));
+        page.putField("content", page.getHtml().smartContent());
+        page.putField("author", page.getUrl().regex("my\\.oschina\\.net/(\\w+)/blog/\\d+"));
     }
 
     @Override
diff --git a/webmagic-samples/src/main/java/us/codecraft/webmagic/samples/OschinaPageProcesser.java b/webmagic-samples/src/main/java/us/codecraft/webmagic/samples/OschinaPageProcesser.java
index b708ec51..f88ce06d 100644
--- a/webmagic-samples/src/main/java/us/codecraft/webmagic/samples/OschinaPageProcesser.java
+++ b/webmagic-samples/src/main/java/us/codecraft/webmagic/samples/OschinaPageProcesser.java
@@ -15,10 +15,10 @@ public class OschinaPageProcesser implements PageProcessor {
 
     @Override
     public void process(Page page) {
-        List<String> strings = page.getHtml().rs("<a[^<>]*href=[\"']{1}(http://www\\.oschina\\.net/question/[\\w]+)[\"']{1}").toStrings();
+        List<String> strings = page.getHtml().regex("<a[^<>]*href=[\"']{1}(http://www\\.oschina\\.net/question/[\\w]+)[\"']{1}").toStrings();
         page.addTargetRequests(strings);
-        page.putField("title", page.getHtml().x("//div[@class='QTitle']/h1/a"));
-        page.putField("content", page.getHtml().xs("//div[@class='Question']//div[@class='Content']/div[@class='detail']"));
+        page.putField("title", page.getHtml().xpath("//div[@class='QTitle']/h1/a"));
+        page.putField("content", page.getHtml().xpath("//div[@class='Question']//div[@class='Content']/div[@class='detail']"));
     }
 
     @Override
diff --git a/webmagic-samples/src/main/java/us/codecraft/webmagic/samples/QzoneBlogProcessor.java b/webmagic-samples/src/main/java/us/codecraft/webmagic/samples/QzoneBlogProcessor.java
index 400ebd5e..bf4dcc2a 100644
--- a/webmagic-samples/src/main/java/us/codecraft/webmagic/samples/QzoneBlogProcessor.java
+++ b/webmagic-samples/src/main/java/us/codecraft/webmagic/samples/QzoneBlogProcessor.java
@@ -18,10 +18,10 @@ public class QzoneBlogProcessor implements PageProcessor {
 
         //http://b1.cnc.qzone.qq.com/cgi-bin/blognew/get_abs?hostUin=233017404&uin=233017404&blogType=0&statYear=2013&source=0&statYear=2013&g_tk=291639571&g_tk=291639571&reqInfo=7&pos=0&num=15&source=0&rand=0.46480297949165106
         // &cateName=&cateHex=&statYear=2013&reqInfo=7&pos=0&num=15&sortType=0&source=0&rand=0.46480297949165106&g_tk=291639571&verbose=1&ref=qzone
-        List<String> requests = page.getHtml().rs("<a[^<>]*href=[\"']{1}(http://17dujingdian\\.com/post/[^#]*?)[\"']{1}").toStrings();
+        List<String> requests = page.getHtml().regex("<a[^<>]*href=[\"']{1}(http://17dujingdian\\.com/post/[^#]*?)[\"']{1}").toStrings();
         page.addTargetRequests(requests);
-        page.putField("title",page.getHtml().x("//div[@id='content']//h2/a"));
-        page.putField("content",page.getHtml().sc());
+        page.putField("title",page.getHtml().xpath("//div[@id='content']//h2/a"));
+        page.putField("content",page.getHtml().smartContent());
     }
 
     @Override
diff --git a/webmagic-samples/src/main/java/us/codecraft/webmagic/samples/SinaBlogProcesser.java b/webmagic-samples/src/main/java/us/codecraft/webmagic/samples/SinaBlogProcesser.java
index 5bc2fc68..bb77931f 100644
--- a/webmagic-samples/src/main/java/us/codecraft/webmagic/samples/SinaBlogProcesser.java
+++ b/webmagic-samples/src/main/java/us/codecraft/webmagic/samples/SinaBlogProcesser.java
@@ -15,12 +15,12 @@ public class SinaBlogProcesser implements PageProcessor {
 
     @Override
     public void process(Page page) {
-        page.addTargetRequests(page.getHtml().as().rs("(http://blog\\.sina\\.com\\.cn/s/blog_.*)").toStrings());
-        page.putField("title", page.getHtml().x("//div[@class='articalTitle']/h2"));
-        page.putField("content",page.getHtml().x("//div[@id='articlebody']//div[@class='articalContent']"));
-        page.putField("id",page.getUrl().r("http://blog\\.sina\\.com\\.cn/s/blog_(\\w+)"));
-        page.putField("date",page.getHtml().x("//div[@id='articlebody']//span[@class='time SG_txtc']").r("\\((.*)\\)"));
-//        page.putField("tags",page.getHtml().xs("//td[@class='blog_tag']/h3/a"));
+        page.addTargetRequests(page.getHtml().links().regex("(http://blog\\.sina\\.com\\.cn/s/blog_.*)").toStrings());
+        page.putField("title", page.getHtml().xpath("//div[@class='articalTitle']/h2"));
+        page.putField("content",page.getHtml().xpath("//div[@id='articlebody']//div[@class='articalContent']"));
+        page.putField("id",page.getUrl().regex("http://blog\\.sina\\.com\\.cn/s/blog_(\\w+)"));
+        page.putField("date",page.getHtml().xpath("//div[@id='articlebody']//span[@class='time SG_txtc']").regex("\\((.*)\\)"));
+//        page.putField("tags",page.getHtml().xpath("//td[@class='blog_tag']/h3/a"));
     }
 
     @Override
diff --git a/webmagic-samples/src/main/java/us/codecraft/webmagic/samples/TianyaPageProcesser.java b/webmagic-samples/src/main/java/us/codecraft/webmagic/samples/TianyaPageProcesser.java
index a15ef74a..278657f0 100644
--- a/webmagic-samples/src/main/java/us/codecraft/webmagic/samples/TianyaPageProcesser.java
+++ b/webmagic-samples/src/main/java/us/codecraft/webmagic/samples/TianyaPageProcesser.java
@@ -15,10 +15,10 @@ public class TianyaPageProcesser implements PageProcessor {
 
     @Override
     public void process(Page page) {
-        List<String> strings = page.getHtml().rs("<a[^<>]*href=[\"']{1}(/post-free.*?\\.shtml)[\"']{1}").toStrings();
+        List<String> strings = page.getHtml().regex("<a[^<>]*href=[\"']{1}(/post-free.*?\\.shtml)[\"']{1}").toStrings();
         page.addTargetRequests(strings);
-        page.putField("title", page.getHtml().x("//div[@id='post_head']//span[@class='s_title']//b"));
-        page.putField("body",page.getHtml().sc());
+        page.putField("title", page.getHtml().xpath("//div[@id='post_head']//span[@class='s_title']//b"));
+        page.putField("body",page.getHtml().smartContent());
     }
 
     @Override
diff --git a/webmagic-samples/src/test/java/us/codecraft/webmagic/SpiderTest.java b/webmagic-samples/src/test/java/us/codecraft/webmagic/SpiderTest.java
index 6293884c..681aac78 100644
--- a/webmagic-samples/src/test/java/us/codecraft/webmagic/SpiderTest.java
+++ b/webmagic-samples/src/test/java/us/codecraft/webmagic/SpiderTest.java
@@ -51,7 +51,7 @@ public class SpiderTest {
 
         /**
          *
-         * _hrefs = rs("<a[^<>]*href=[\"']{1}(/yewu/.*?)[\"']{1}")
+         * _hrefs = regex("<a[^<>]*href=[\"']{1}(/yewu/.*?)[\"']{1}")
          * title = r(""<title>(.*)</title>"")
          * body = x("//dd[@class='w133']")
          *
@@ -72,7 +72,7 @@ public class SpiderTest {
          *      body[r(_currentUrl).g(1)] = body[r(_currentUrl).g(1)] + (x("").r("",1,2).c())
          *
          *      body=body[r(_currentUrl).g(1)]
-         *      tags[%] = (tags[%] + xs('')) . r('')
+         *      tags[%] = (tags[%] + xpath('')) . r('')
          *
          *      _targetUrls.add('' + x('').r(''))
          *      _sourceUrls.add()
@@ -114,7 +114,7 @@ public class SpiderTest {
          *      content = t(_html) > c()
          *      title = x(_html, 'asd@asd') > r('',1)
          *      body[r(_currentUrl).g(1)] = body[r(_currentUrl).g(1)] + (x('') > r('',1,2) > c()) | x('')
-         *      tags[%] = tags + xs('') > r('')
+         *      tags[%] = tags + xpath('') > r('')
          *      model.setTargetUrl();
          *
          *      _targetUrl = '' + x('') & r('')