diff --git a/Readme.md b/Readme.md
index 79b591d..a814f0b 100644
--- a/Readme.md
+++ b/Readme.md
@@ -51,15 +51,13 @@ source ~/.bashrc</code>
 
 #### 5. 编译内核  
 + x64_86  
-```
-cd /opt/fsl-kernel/x86/linux-4.9.140 && make -j
-```
+<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	  
+为
 <code>ARCH ?= arm64
 CROSS_COMPILE ?= aarch64-fsl-linux-</code>