update faq.md

site/src/site/sphinx/en/faq.md

@@ -70,3 +70,8 @@ watch demo.MathGame <init> '{params,returnObj,throwExp}' -v -n 5 -x 3 '1==1'
 When error log appear `java.lang.ClassFormatError: null`, it is usually modified by other bytecode tools that are not compatible with arthas modified bytecode.
 
 For example: use skywalking V8.1.0 below [cannot trace, watch classes enhanced by skywalking agent](https://github.com/alibaba/arthas/issues/1141), V8.1.0 or above is compatible, refer to skywalking configuration for more details. [skywalking compatible with other javaagent bytecode processing](https://github.com/apache/skywalking/blob/v8.1.0/docs/en/FAQ/Compatible-with-other-javaagent-bytecode-processing.md).
+
+
+##### Can I use arthas offline?
+
+Yes. Just download the full size package and unzip it, refer to: [download.md].

site/src/site/sphinx/faq.md

@@ -70,3 +70,7 @@ watch demo.MathGame <init> '{params,returnObj,throwExp}' -v -n 5 -x 3 '1==1'
 
 比如: 使用 skywalking V8.1.0 以下版本 [无法trace、watch 被skywalking agent 增强过的类](https://github.com/alibaba/arthas/issues/1141), V8.1.0 以上版本可以兼容使用,更多参考skywalking配置 [skywalking compatible with other javaagent bytecode processing](https://github.com/apache/skywalking/blob/v8.1.0/docs/en/FAQ/Compatible-with-other-javaagent-bytecode-processing.md)。
 
+
+##### Arthas能不能离线使用
+
+可以。下载全量包解压即可，参考: [download.md]。