!9364 【轻量级 PR】：【OpenHarmony开源贡献者计划2022】update zh-cn/device-dev/porting/porting-w800-combo-demo.md.

Merge pull request !9364 from 叶金凤/N/A

zh-cn/device-dev/porting/porting-w800-combo-demo.md

@@ -49,7 +49,7 @@
      "kernel_version": "3.0.0",                --- 内核版本：3.0.0
      "subsystems": []                          --- 子系统
    }
-```
+   ```
 填入的信息与规划的目录相对应，其中`device_company`和`board`用于关联出`device/board/<device_company>/`目录。
 
 ### 单板配置
@@ -403,7 +403,8 @@ OHOS Which product do you need?  neptune_iotlink_demo
     {
       "subsystem": "kernel",
       "components": [
-        { "component": "liteos_m", "features":[]
+        { 
+          "component": "liteos_m", "features":[] 
         }
       ]
    },