1. 修改文档中jdk标识错误:jdk最低版本版本为17,不是1.8 (#1056)

2. 添加maven最低版本限制
3. 添加弱网环境下git的操作流程
for english
1. Correct the JDK version indication error in the documentation: The minimum required JDK version is 17, not 1.8.
2. Add the minimum version requirement for Maven.
3. Add the Git operation process for low - network - quality environments.

Author: JerryDtj

blog/Start-SourceCode-Analysis-Start-Demo-for-Contributor.md

@@ -13,8 +13,9 @@ As a first-time developer in the `Shenyu` community, I encountered some "Pitfall
 
 ## Environmental Preparation
 
-- Correct local installation of `JDK1.8+`
+- Correct local installation of `JDK17+`
 - Properly install `Git` locally
+- Correctly install Maven `3.6.3+`
 - Choose a development tool, this article uses `IDEA` as an example
 
 ## ShenYu Backend Startup Guide
@@ -91,6 +92,20 @@ Maven is a cross-platform project management tool . As the Apache organization's
     git config --global core.longpaths true
     ```
 
+   Tips: If you encounter the following error or have network issues preventing you from pulling all the code:
+
+   ``` tex
+   RPC failed; curl 92 HTTP/2 stream 5 was not closed cleanly: CANCEL (err 8) 2057 bytes of body are still expected fetch-pack: unexpected disconnect while reading sideband packet early EOF fetch-pack: invalid index-pack output
+   ```
+
+   You can execute the following commands to first pull a single version of the code, then fetch the full code:
+
+   ``` shell
+   git clone https://github.com/apache/shenyu.git --depth 1
+   cd ./shenyu
+   git fetch --unshallow
+   ```
+
 ### ShenYu First Start
 
 #### Preparation

i18n/zh/docusaurus-plugin-content-blog/Start-SourceCode-Analysis-Start-Demo-for-Contributor.md

@@ -13,12 +13,15 @@ tags: [first-start,Apache ShenYu]
 
 ## 环境准备
 
-- 本地正确安装 `JDK1.8+`
+- 本地正确安装 `JDK17` 或更高版本
 - 本地正确安装 `Git`
+- 本地正确安装`Maven3.63` 或更高版本
 - 选择一款开发工具，本文使用 `IDEA` 为例
 
 ## ShenYu 后端启动指南
 
+
+
 ### 安装并配置Maven
 
 Maven是一个跨平台的项目管理工具。作为Apache组织顶级开源项目，其主要服务于基于Java平台的项目创建，依赖管理和项目信息管理。
@@ -50,21 +53,21 @@ Maven是一个跨平台的项目管理工具。作为Apache组织顶级开源项
         <url>http://maven.aliyun.com/nexus/content/groups/public/</url>
         <mirrorOf>central</mirrorOf>
         </mirror>
-
+    
         <mirror>
         <id>alimaven</id>
         <mirrorOf>central</mirrorOf>
         <name>aliyun maven</name>
         <url>http://maven.aliyun.com/nexus/content/repositories/central/</url>
         </mirror>
-
+    
         <mirror>
         <id>maven</id>
         <mirrorOf>central</mirrorOf>
         <name>name_</name>
         <url>http://repo1.maven.org/maven2</url>
         </mirror> 
-
+    
         <mirror>
         <id>junit</id>
         <mirrorOf>central</mirrorOf>
@@ -91,6 +94,22 @@ Maven是一个跨平台的项目管理工具。作为Apache组织顶级开源项
     git config --global core.longpaths true
     ```
 
+	Tips: 如果提示如下错误或者网络不好无法拉取全部代码：
+	
+	``` tex
+	RPC failed; curl 92 HTTP/2 stream 5 was not closed cleanly: CANCEL (err 8) 2057 bytes of body are still expected fetch-pack: unexpected disconnect while reading sideband packet early EOF fetch-pack: invalid index-pack output
+	```
+	
+	可以执行以下命令先拉取一个版本的代码,然后在获取全量代码.
+	
+	``` shell
+	git clone https://github.com/apache/shenyu.git --depth 1
+	cd ./shenyu
+	git fetch --unshallow
+	```
+	
+	
+
 ### ShenYu 初启动
 
 #### 准备工作
@@ -162,11 +181,11 @@ Apache ShenYu提供了Http、Dubbo、SpringCloud等应用接入shenyu网关的
 1. 在[官网](https://nodejs.org/en)下载并安装Node.js ，选择 `LTS` 版本即可
 2. 安装时，除了设置安装路径，其他一直点 `Next` 即可
 3. 安装完成后，在命令行中进行验证：
-    
+  
     ```shell
     C:\Users\pc>node -v
     v12.22.12
-
+    
     C:\Users\pc>npm -v
     6.14.16
     ```