reformat

README.md

@@ -22,27 +22,27 @@
 Add dependencies to your pom.xml:
 
 ```xml
-		<dependency>
+<dependency>
     <groupId>us.codecraft</groupId>
     <artifactId>webmagic-core</artifactId>
     <version>0.4.3</version>
-        </dependency>
-		<dependency>
+</dependency>
+<dependency>
     <groupId>us.codecraft</groupId>
     <artifactId>webmagic-extension</artifactId>
     <version>0.4.3</version>
-        </dependency>
+</dependency>
 ```
         
 WebMagic use slf4j with slf4j-log4j12 implementation. If you customized your slf4j implementation, please exclude slf4j-log4j12.
 
 ```xml
-            <exclusions>
+<exclusions>
     <exclusion>
         <groupId>org.slf4j</groupId>
         <artifactId>slf4j-log4j12</artifactId>
     </exclusion>
-            </exclusions>
+</exclusions>
 ```
 
 
@@ -53,7 +53,7 @@ WebMagic use slf4j with slf4j-log4j12 implementation. If you customized your slf
 Write a class implements PageProcessor：
 
 ```java
-    public class OschinaBlogPageProcesser implements PageProcessor {
+public class OschinaBlogPageProcesser implements PageProcessor {
 
     private Site site = Site.me().setDomain("my.oschina.net");
 
@@ -76,7 +76,7 @@ Write a class implements PageProcessor：
         Spider.create(new OschinaBlogPageProcesser()).addUrl("http://my.oschina.net/flashsword/blog")
              .addPipeline(new ConsolePipeline()).run();
     }
-    }
+}
 ```
 
 * `page.addTargetRequests(links)`
@@ -86,8 +86,8 @@ Write a class implements PageProcessor：
 You can also use annotation way:
 
 ```java
-	@TargetUrl("http://my.oschina.net/flashsword/blog/\\d+")
-	public class OschinaBlog {
+@TargetUrl("http://my.oschina.net/flashsword/blog/\\d+")
+public class OschinaBlog {
 
     @ExtractBy("//title")
     private String title;
@@ -103,7 +103,7 @@ You can also use annotation way:
         	Site.me(),
 			new ConsolePageModelPipeline(), OschinaBlog.class).addUrl("http://my.oschina.net/flashsword/blog").run();
     }
-	}
+}
 ```
 		
 ### Docs and samples: