diff --git a/README.md b/README.md
index a7eca91..a472a49 100644
--- a/README.md
+++ b/README.md
@@ -38,7 +38,7 @@ Browser demo (served from the same process when `server.serve_webpage` is
 true in `config.json`):
 
 ```text
-http://localhost:8000/demo/
+http://localhost:8000/voice-demo/
 ```
 
 See `examples/webpage/README.md` for details.
diff --git a/config.json b/config.json
index 57e3a93..64f64af 100644
--- a/config.json
+++ b/config.json
@@ -4,7 +4,7 @@
     "port": 8000,
     "cors_origins": ["http://localhost:3000", "http://localhost:8080"],
     "serve_webpage": true,
-    "webpage_mount": "/demo"
+    "webpage_mount": "/voice-demo"
   },
   "audio": {
     "sample_rate_hz": 16000,
diff --git a/docs/product-ws.md b/docs/product-ws.md
index b93c704..501c5db 100644
--- a/docs/product-ws.md
+++ b/docs/product-ws.md
@@ -170,8 +170,8 @@ ws://<host>:<port>/ws-product
 ```json
 "server": {
   "serve_webpage": true,
-  "webpage_mount": "/demo"
+  "webpage_mount": "/voice-demo"
 }
 ```
 
-启动服务后访问 `http://localhost:8000/demo/`，默认连接同源的 `/ws-product`。参考实现见 `examples/webpage/`。
+启动服务后访问 `http://localhost:8000/voice-demo/`，默认连接同源的 `/ws-product`。参考实现见 `examples/webpage/`。
diff --git a/engine/config.py b/engine/config.py
index acd3875..edc4518 100644
--- a/engine/config.py
+++ b/engine/config.py
@@ -14,7 +14,7 @@ class ServerConfig:
     port: int = 8000
     cors_origins: list[str] = field(default_factory=list)
     serve_webpage: bool = True
-    webpage_mount: str = "/demo"
+    webpage_mount: str = "/voice-demo"
 
 
 @dataclass(frozen=True)
diff --git a/engine/main.py b/engine/main.py
index d7e49a7..0839a68 100644
--- a/engine/main.py
+++ b/engine/main.py
@@ -20,7 +20,7 @@ def get_config(path: str = "config.json") -> EngineConfig:
 
 
 def _normalize_mount_path(path: str) -> str:
-    normalized = path.strip() or "/demo"
+    normalized = path.strip() or "/voice-demo"
     if not normalized.startswith("/"):
         normalized = f"/{normalized}"
     return normalized.rstrip("/") or "/"
diff --git a/examples/webpage/README.md b/examples/webpage/README.md
index 8832eb8..ed38697 100644
--- a/examples/webpage/README.md
+++ b/examples/webpage/README.md
@@ -51,7 +51,7 @@ examples/webpage/
 2. Open the demo page served by the same process:
 
    ```text
-   http://127.0.0.1:8000/demo/
+   http://127.0.0.1:8000/voice-demo/
    ```
 
    The default websocket URL is derived from the page host
@@ -63,7 +63,7 @@ examples/webpage/
    ```json
    "server": {
      "serve_webpage": true,
-     "webpage_mount": "/demo"
+     "webpage_mount": "/voice-demo"
    }
    ```