address fix test

app.py

@@ -1233,18 +1233,24 @@ with gr.Blocks(title="模擬校園入口與資安防護系統") as demo:
     # =====================================================================
 
 if __name__ == "__main__":
-    # Serve both:
-    # 1) Gradio UI
-    # 2) /verify_identity callback endpoint (FastAPI)
+    # 1. 取得環境變數，HF 預設 PORT 通常是 7860，HOST 務必用 0.0.0.0
+    host = os.getenv("HOST", "0.0.0.0")
+    port = int(os.getenv("PORT", 7860))
+
     try:
         import uvicorn
-        if hasattr(gr, "mount_gradio_app"):
-            gr.mount_gradio_app(api_app, demo, path="/")
-            host = os.getenv("HOST", "127.0.0.1")
-            port = int(os.getenv("PORT", "7860"))
-            uvicorn.run(api_app, host=host, port=port)
-        else:
-            demo.launch(css=custom_css)
+        
+        # 2. 將 Gradio 掛載到 FastAPI (api_app)
+        # 這樣兩者會「合體」在同一個 Port 執行
+        gr.mount_gradio_app(api_app, demo, path="/")
+        
+        print(f"🚀 數位保鏢系統啟動中：http://{host}:{port}")
+        
+        # 3. 唯一啟動點：交給 uvicorn 負責
+        # 不要再 except 裡面放 demo.launch()，避免自動跳埠到 7861
+        uvicorn.run(api_app, host=host, port=port, log_level="info")
+
     except Exception as e:
-        print(f"⚠️ FastAPI mount failed: {e}")
-        demo.launch(css=custom_css)
+        # 如果啟動失敗，直接印出錯誤，不要嘗試備援啟動
+        print(f"❌ 伺服器啟動嚴重錯誤: {e}")
+        print("💡 提示：如果是 Port 7860 被佔用，請至 HF Settings 點擊 'Factory Reboot'")