update doc

en/_sources/install-detail.md.txt

@@ -56,7 +56,7 @@ $ java -jar arthas-boot.jar -h
 
 ## Offline Help Documentation
 
-Latest Version, Click To Download:[![Arthas](https://img.shields.io/maven-central/v/com.taobao.arthas/arthas-packaging.svg?style=flat-square "Arthas")](http://repository.sonatype.org/service/local/artifact/maven/redirect?r=central-proxy&g=com.taobao.arthas&a=arthas-packaging&e=zip&c=doc&v=LATEST)
+Latest Version, Click To Download:[![Arthas](https://img.shields.io/maven-central/v/com.taobao.arthas/arthas-packaging.svg?style=flat-square "Arthas")](https://github.com/alibaba/arthas/releases/download/arthas-all-3.0.5/arthas-3.0.5-doc.zip)
 
 
 ## Uninstall

en/_sources/redefine.md.txt

@@ -21,3 +21,34 @@ Reference: [Instrumentation#redefineClasses](https://docs.oracle.com/javase/8/do
 redefine -p /tmp/Test.class
 redefine -c 327a647b -p /tmp/Test.class /tmp/Test$Inner.class
 ```
+
+### Restrictions of the redefine command
+
+* New field/method is not allowed
+* The function that is running, no exit can not take effect, such as the new `System.out.println` added below, only the `run()` function will take effect.
+
+    ```java
+    public class MathGame {
+        public static void main(String[] args) throws InterruptedException {
+            MathGame game = new MathGame();
+            while (true) {
+                game.run();
+                TimeUnit.SECONDS.sleep(1);
+                // This doesn't work because the code keeps running in while
+                System.out.println("in loop");
+            }
+        }
+
+        public void run() throws InterruptedException {
+            // This works because the run() function ends completely every time
+            System.out.println("call run()");
+            try {
+                int number = random.nextInt();
+                List<Integer> primeFactors = primeFactors(number);
+                print(number, primeFactors);
+
+            } catch (Exception e) {
+                System.out.println(String.format("illegalArgumentCount:%3d, ", illegalArgumentCount) + e.getMessage());
+            }
+        }
+```