update zh-cn/device-dev/kernel/kernel-mini-overview.md.

Signed-off-by: NAustin <liaozhiqi7@huawei.com>

zh-cn/device-dev/kernel/kernel-mini-overview.md

@@ -136,11 +136,9 @@ LiteOS-M内核移植的具体开发板的工程由社区开发者提供，可以
 
 如何基于Liteos-M内核贡献一款芯片:
 
-[板级目录规范](../porting/porting-chip-board-overview.md)
+[轻量系统芯片移植指导](../porting-minichip-overview.md)
 
-[轻量系统芯片移植指导](../porting/porting-minichip.md)
-
-[轻量系统芯片移植案例](../porting/porting-minichip-cases.md)
+[轻量系统芯片移植案例](../porting/porting-bes2600w-on-minisystem-display-demo.md)
 
 ## 相关仓<a name="section1371113476307"></a>