update docs

Author: kevincheng2

docs/get_started/installation/kunlunxin_xpu.md

@@ -218,4 +218,4 @@ for chunk in response:
 print('\n')
 ```
 
-For detailed OpenAI protocol specifications, see [OpenAI Chat Compeltion API](https://platform.openai.com/docs/api-reference/chat/create). Differences from the standard OpenAI protocol are documented in [Deployment](../../serving/README.md).
+For detailed OpenAI protocol specifications, see [OpenAI Chat Compeltion API](https://platform.openai.com/docs/api-reference/chat/create). Differences from the standard OpenAI protocol are documented in [Deployment](../../online_serving/README.md).

docs/zh/get_started/installation/kunlunxin_xpu.md

@@ -222,5 +222,5 @@ for chunk in response:
 print('\n')
 ```
 
-OpenAI 协议的更多说明可参考文档 [OpenAI Chat Compeltion API](https://platform.openai.com/docs/api-reference/chat/create)，以及与 OpenAI 协议的区别可以参考 [服务化部署](../../serving/README.md)。
+OpenAI 协议的更多说明可参考文档 [OpenAI Chat Compeltion API](https://platform.openai.com/docs/api-reference/chat/create)，以及与 OpenAI 协议的区别可以参考 [服务化部署](../../online_serving/README.md)。