Update app.py

app.py

@@ -207,7 +207,7 @@ async def run_tts_background(job_id: str, payload: dict, headers: dict):
 # =================================================================
 @app.get("/")
 async def root_path():
-    return HTMLResponse("Alpha API Server is running.", status_code=200)
+    return HTMLResponse("error 404", status_code=200)
 
 @app.get("/tts")
 @app.get("/tts/")