diff --git a/Readme.md b/Readme.md
index 44fc79d..705a720 100644
--- a/Readme.md
+++ b/Readme.md
@@ -21,51 +21,39 @@ ld           Makefile和编译脚本目录
 		或  
 		<code>git pull</code>  
 
-    2.  #### 安装必要软件(UBuntu)
-		```  bash
-		sudo ./fsl-qoriq-glibc-x86_64-fsl-toolchain-aarch64-toolchain-2.4.1.sh
+    2.  #### 安装必要软件(UBuntu)  
+		<code>sudo ./fsl-qoriq-glibc-x86_64-fsl-toolchain-aarch64-toolchain-2.4.1.sh
 		sudo apt-get -y install git u-boot-tools device-tree-compiler autoconf curl flex 
 		sudo apt-get -y install automake dh-autoreconf libssl-dev openssl libpcap-dev bc
-		sudo apt-get -y install python-pip qemu-utils libncurses5-dev python-crypto bison
-		```
-    3.  #### 安装 linux 内核源代码
-	    ``` bash 
-	    sudo mkdir -p /opt/fsl-kernel /opt/fsl-kernel/arm64 /opt/fsl-kernel/x86
+		sudo apt-get -y install python-pip qemu-utils libncurses5-dev python-crypto bison</code>  
+
+    3.  #### 安装 linux 内核源代码  
+	    <code>sudo mkdir -p /opt/fsl-kernel /opt/fsl-kernel/arm64 /opt/fsl-kernel/x86
 	    sudo chmod 777 /opt/fsl-kernel -R
 	    cp ./vBRAS/Platform/kernel/linux-4.9.140.tar.gz /opt/fsl-kernel
 	    cd /opt/fsl-kernel
 	    tar -xvaf ./linux-4.9.140.tar.gz ./
 	    cp ./linux-4.9.140 ./x86
-	    cp ./linux-4.9.140 ./arm64
-	    ```  
-	4. #### 设置环境变量
-		在 ~/.bashrc 文件末尾加上以下几行配置
-		``` bash 
-		export HUACHENG_LINUX_KERNEL=/opt/fsl-kernel/x86/linux-4.9.140
+	    cp ./linux-4.9.140 ./arm64</code>  
+	4. #### 设置环境变量  
+		在 ~/.bashrc 文件末尾加上以下几行配置  
+		<code>export HUACHENG_LINUX_KERNEL=/opt/fsl-kernel/x86/linux-4.9.140
 		export HUACHENG_ARM64_KERNEL=/opt/fsl-kernel/arm64/linux-4.9.140
 		export SDKTARGETSYSROOT=/opt/fsl-qoriq/2.4.1/sysroots/aarch64-fsl-linux
 	    export PATH=/opt/fsl-qoriq/2.4.1/sysroots/x86_64-fslsdk-linux/usr/bin:/opt/fsl-qoriq/2.4.1/sysroots/x86_64-fslsdk-linux/usr/sbin:/opt/fsl-qoriq/2.4.1/sysroots/x86_64-fslsdk-linux/bin:/opt/fsl-qoriq/2.4.1/sysroots/x86_64-fslsdk-linux/sbin:/opt/fsl-qoriq/2.4.1/sysroots/x86_64-fslsdk-linux/usr/bin/../x86_64-fslsdk-linux/bin:/opt/fsl-qoriq/2.4.1/sysroots/x86_64-fslsdk-linux/usr/bin/aarch64-fsl-linux:/opt/fsl-qoriq/2.4.1/sysroots/x86_64-fslsdk-linux/usr/bin/aarch64-fsl-linux-musl:$PATH
-	    source ~/.bashrc
-	    ```
-    5. #### 编译内核
-		- x64_86
-        ``` bash 
-        cd /opt/fsl-kernel/x86/linux-4.9.140 && make -j
-        ```  
-	    - arm64
-        ``` bash 
-        cd /opt/fsl-kernel/arm64/linux-4.9.140 && unset LDFLAS
-        ```
-		修改 Makefile 文件第 257、258 两行
-	    ``` bash 
-		  ARCH ?= $(SUBARCH)
-		  CROSS_COMPILE ?= $(CONFIG_CROSS_COMPILE:"%"=%)
-	    ```
-	    为
-	    ``` bash 
-	    ARCH ?= arm64
-	    CROSS_COMPILE ?= aarch64-fsl-linux-  
-	    ```
+	    source ~/.bashrc</code>
+
+    5. #### 编译内核  
+		- x64_86  
+        <code>cd /opt/fsl-kernel/x86/linux-4.9.140 && make -j</code>  
+	    - arm64  
+        <code>cd /opt/fsl-kernel/arm64/linux-4.9.140 && unset LDFLAS</code>  
+		修改 Makefile 文件第 257、258 两行  
+	    <code>ARCH ?= $(SUBARCH)
+		  CROSS_COMPILE ?= $(CONFIG_CROSS_COMPILE:"%"=%)</code>  
+	    为  
+	    <code>ARCH ?= arm64
+	    CROSS_COMPILE ?= aarch64-fsl-linux-</code>  
 		然后运行 make 命令进行编译
  
 + ## **安装方法**