Update app.py

app.py

@@ -22,7 +22,15 @@ from constants import Constants
 from api.api_blueprint import api_blueprint
 from flask import Flask
 from flask_cors import CORS
+from flask import send_from_directory
 
+@app.route("/")
+def serve_index():
+    return send_from_directory("dist", "index.html")
+
+@app.route("/<path:path>")
+def serve_static(path):
+    return send_from_directory("dist", path)
 # 先確保 session 目錄有合理預設值
 SESSION_DIR = Constants.SESSIONS_DIR_NAME or "/app/sessions"
 Constants.SESSIONS_DIR_NAME = SESSION_DIR