diff --git a/doc/cn/Developer_Guide.md b/doc/cn/Developer_Guide.md
index 10841c8e3e802e0649049c3c567553e8b70fd4c7..7a07e51494a21f4d866e878f9801d61db8903751 100644
--- a/doc/cn/Developer_Guide.md
+++ b/doc/cn/Developer_Guide.md
@@ -9,8 +9,8 @@
 
 ## 源码下载
 
-   下载地址：<https://code.opensource.huaweicloud.com/HarmonyOS/OpenArkCompiler/home>，可以通过`Clone` or `Download`的方式下载openarkcompiler源码
-   > 注：默认源码下载目录为openarkcompiler
+   下载地址：<https://code.opensource.huaweicloud.com/HarmonyOS/OpenArkCompiler/home>，可以通过`Clone` or `Download`的方式下载openarkcompiler源码。
+   > 注：默认源码下载目录为openarkcompiler。
 
 
 ## 源码编译
@@ -24,9 +24,9 @@ make
 ```
 命令说明：
 
-- `source build/envsetup.sh` 初始化环境，将OpenArkCompiler工具链路径openarkcompiler/out/bin设置到环境变量中
-- `make` 编译OpenArkCompiler的Release版本
-- `make BUILD_TYPE=DEBUG` 编译OpenArkCompiler的Debug版本
+- `source build/envsetup.sh` 初始化环境，将OpenArkCompiler工具链路径openarkcompiler/out/bin设置到环境变量中；
+- `make` 编译OpenArkCompiler的Release版本；
+- `make BUILD_TYPE=DEBUG` 编译OpenArkCompiler的Debug版本。
 
 ## Sample示例编译
 
@@ -36,19 +36,19 @@ make
 
 - 您可以自己下载Android代码本地编译来获得libcore的jar包，建议使用Android的9.0.0_r45版本；
 
-- 同时码云上也提供了已经编译好的libcore的jar文件，你可以下载直接使用，下载链接：https://gitee.com/mirrors/java-core/
+- 同时码云上也提供了已经编译好的libcore的jar文件，你可以下载直接使用，下载链接：https://gitee.com/mirrors/java-core/ 。
 
 **生成libjava-core.mplt文件**
 
 编译前，请先在openarkcompiler目录下创建libjava-core目录，拷贝java-core.jar到此目录下，在openarkcompiler目录执行以下命令：
- 
+
 ```
-source build/envsetup.sh;
-make;
-cd libjava-core;
-jbc2mpl -injar java-core.jar -out libjava-core;
+source build/envsetup.sh
+make
+cd libjava-core
+jbc2mpl -injar java-core.jar -out libjava-core
 ```
-   
+
 执行完成后会在此目录下生成libjava-core.mplt文件。
 
 **示例代码快速编译**
@@ -58,7 +58,10 @@ jbc2mpl -injar java-core.jar -out libjava-core;
 以samples/helloworld/代码为例，在openarkcompiler/目录下执行以下命令：
 
 ```
-source build/envsetup.sh; make; cd samples/helloworld/; make
+source build/envsetup.sh
+make
+cd samples/helloworld/
+make
 ```
 
 ## 源码静态检查
diff --git a/doc/en/Developer_Guide.md b/doc/en/Developer_Guide.md
index 23b347280ca8318b5b79490c62fe86ee76624315..b366eb323d9d7b7a16785193b5725aaaa8a44871 100644
--- a/doc/en/Developer_Guide.md
+++ b/doc/en/Developer_Guide.md
@@ -9,7 +9,7 @@ Prepare development environment by referring to Environment Configuration.
 
 ## Downloading Source Code
 
-Download address: <https://code.opensource.huaweicloud.com/HarmonyOS/OpenArkCompiler/home>
+Download address: <https://code.opensource.huaweicloud.com/HarmonyOS/OpenArkCompiler/home> .
 You can download the OpenArkCompiler source code in `Clone` or `Download` mode.
 > Note: The download directory of the source code is openarkcompiler by default.
 
@@ -37,19 +37,19 @@ The Java basic library is required for OpenArkCompiler to compile a sample. The
 
 - Download the Android code and compile it locally to obtain the libcore JAR package. The Android 9.0.0_r45 version is recommended.
 
-- Gitee also provides the compiled libcore JAR file. Download address: https://gitee.com/mirrors/java-core/
+- Gitee also provides the compiled libcore JAR file. Download address: https://gitee.com/mirrors/java-core/ .
 
 **Generating the libjava-core.mplt file**
 
 Before compilation, create the libjava-core directory in the openarkcompiler directory, copy the java-core.jar file to the libjava-core directory, and run the following commands in the openarkcompiler directory:
- 
+
 ```
-source build/envsetup.sh;
-make;
-cd libjava-core;
-jbc2mpl -injar java-core.jar -out libjava-core;
+source build/envsetup.sh
+make
+cd libjava-core
+jbc2mpl -injar java-core.jar -out libjava-core
 ```
-   
+
 After the execution is complete, the libjava-core.mplt file is generated in the directory.
 
 **Compiling sample code**
@@ -59,5 +59,8 @@ The sample code is in the openarkcompiler/samples directory.
 Take the samples/helloworld/ code as an example. Run the following command in the openarkcompiler/ directory:
 
 ```
-source build/envsetup.sh; make; cd samples/helloworld/; make
+source build/envsetup.sh
+make
+cd samples/helloworld/
+make
 ```