Update README_ch.md

README_ch.md

@@ -89,7 +89,7 @@ PaddleOCR同时支持动态图与静态图两种编程范式
     - [基于pip安装whl包快速推理](./doc/doc_ch/whl.md)
     - [基于Python脚本预测引擎推理](./doc/doc_ch/inference.md)
     - [基于C++预测引擎推理](./deploy/cpp_infer/readme.md)
-    - [服务化部署](./deploy/hubserving/README_CN.md)
+    - [服务化部署](./deploy/hubserving/readme_en.md)
     - [端侧部署](https://github.com/PaddlePaddle/PaddleOCR/blob/develop/deploy/lite/readme.md)
     - [Benchmark](./doc/doc_ch/benchmark.md)
 - 数据集