update doc

README.md

@@ -53,7 +53,7 @@ Arthas was built to solve these issues. A developer can troubleshoot your produc
 Download`arthas-boot.jar`，Start with `java` command:
 
 ```bash
-wget https://alibaba.github.io/arthas/arthas-boot.jar
+curl -O https://alibaba.github.io/arthas/arthas-boot.jar
 java -jar arthas-boot.jar
 ```
 

README_CN.md

@@ -39,7 +39,7 @@ English version goes [here](README.md).
 下载`arthas-boot.jar`，然后用`java -jar`的方式启动：
 
 ```bash
-wget https://alibaba.github.io/arthas/arthas-boot.jar
+curl -O https://alibaba.github.io/arthas/arthas-boot.jar
 java -jar arthas-boot.jar
 ```
 

site/src/site/sphinx/en/install-detail.md

@@ -9,7 +9,7 @@ Install Arthas
 Download`arthas-boot.jar`，Start with `java` command:
 
 ```bash
-wget https://alibaba.github.io/arthas/arthas-boot.jar
+curl -O https://alibaba.github.io/arthas/arthas-boot.jar
 java -jar arthas-boot.jar
 ```
 

site/src/site/sphinx/en/quick-start.md

@@ -4,7 +4,7 @@ Quick Start
 ## 1. Start Demo Application
 
 ```bash
-wget https://alibaba.github.io/arthas/arthas-demo.jar
+curl -O https://alibaba.github.io/arthas/arthas-demo.jar
 java -jar arthas-demo.jar
 ```
 
@@ -19,7 +19,7 @@ The source code of `arthas-demo`: [View](https://github.com/alibaba/arthas/blob/
 Execute the following command in the command line:
 
 ```bash
-wget https://alibaba.github.io/arthas/arthas-boot.jar
+curl -O https://alibaba.github.io/arthas/arthas-boot.jar
 java -jar arthas-boot.jar
 ```
 

site/src/site/sphinx/install-detail.md

@@ -8,7 +8,7 @@ Arthas Install
 下载`arthas-boot.jar`，然后用`java -jar`的方式启动：
 
 ```bash
-wget https://alibaba.github.io/arthas/arthas-boot.jar
+curl -O https://alibaba.github.io/arthas/arthas-boot.jar
 java -jar arthas-boot.jar
 ```
 
@@ -27,7 +27,7 @@ java -jar arthas-boot.jar -h
 * 如果从github下载有问题，可以使用gitee镜像
 
     ```bash
-    wget https://arthas.gitee.io/arthas-boot.jar
+    curl -O https://arthas.gitee.io/arthas-boot.jar
     ```
 
 

site/src/site/sphinx/quick-start.md

@@ -4,7 +4,7 @@
 ## 1. 启动Demo
 
 ```bash
-wget https://alibaba.github.io/arthas/arthas-demo.jar
+curl -O https://alibaba.github.io/arthas/arthas-demo.jar
 java -jar arthas-demo.jar
 ```
 
@@ -18,7 +18,7 @@ java -jar arthas-demo.jar
 在命令行下面执行（使用和目标进程一致的用户启动，否则可能attach失败）：
 
 ```bash
-wget https://alibaba.github.io/arthas/arthas-boot.jar
+curl -O https://alibaba.github.io/arthas/arthas-boot.jar
 java -jar arthas-boot.jar
 ```