diff --git a/docs/Web/helloworld/simple_server.md b/docs/Web/helloworld/simple_server.md
index 60c0331..ed7d199 100644
--- a/docs/Web/helloworld/simple_server.md
+++ b/docs/Web/helloworld/simple_server.md
@@ -7,5 +7,5 @@ sidebar_position: 2
 在 `examples/hello-world/index.html` 文件夹下输入
 
 ```
-npx http
+npx http-server
 ```