update zh-cn/device-dev/subsystems/subsys-usbservice-demo.md.

Signed-off-by: N duangavin123 <duanxichao@huawei.com>

update zh-cn/device-dev/subsystems/subsys-usbservice-demo.md.
Signed-off-by: N duangavin123 <duanxichao@huawei.com>
f2a166ac · duangavin123 · Gitee · 88eff751 · f2a166ac
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zh-cn/device-dev/subsystems/subsys-usbservice-demo.md zh-cn/device-dev/subsystems/subsys-usbservice-demo.md +1 -1

未找到文件。
--- a/zh-cn/device-dev/subsystems/subsys-usbservice-demo.md
+++ b/zh-cn/device-dev/subsystems/subsys-usbservice-demo.md
-# USB服务子系使用实例<a name="ZH-CN_TOPIC_0000001092792986"></a>
+# USB服务子系统使用实例<a name="ZH-CN_TOPIC_0000001092792986"></a>


 ```