diff --git a/docs/how-to-build.zh.md b/docs/how-to-build.zh.md
index cc3aa5f..de4e82f 100644
--- a/docs/how-to-build.zh.md
+++ b/docs/how-to-build.zh.md
@@ -85,11 +85,11 @@ $ export LD_LIBRARY_PATH=/home/`whoami`/miniconda3/pkgs/python-3.8.11-h12debd9_0
 
 ## Python Built-in Applications
 
-*  [猫猫围栏运行手册](../flow-python/examples/cat_finder/README.zh.md)
+*  [猫猫围栏运行手册](../flow-python/examples/cat_finder/README.md)
    *  图片注册猫猫
    *  部署视频围栏，注册的猫离开围栏时会发通知
    *  未注册的不会提示
-*  [电梯电瓶车告警](../flow-python/examples/electric_bicycle/README.zh.md)
+*  [电梯电瓶车告警](../flow-python/examples/electric_bicycle/README.md)
    *  电梯里看到电瓶车立即报警
 *  Comming Soon
    *  OCR： 通用字符识别
@@ -106,4 +106,4 @@ $ export RUST_LOG=LOG_LEVEL // 设置日志级别, 例如 INFO, TRACE..
 $ cargo build [--release] // 编译
 $ cargo check // 快速编译，不执行 link
 $ cargo test [target] // 执行单元测试
-```
\ No newline at end of file
+```