update

backend/main.py

@@ -3,13 +3,14 @@ from contextlib import asynccontextmanager
 from fastapi import FastAPI
 from fastapi.staticfiles import StaticFiles
 
-from config import FRONTEND_DIST
+from config import FRONTEND_DIST, STORAGE_DIR
 from database import init_db, close_db
 from routes import router
 
 
 @asynccontextmanager
 async def lifespan(app: FastAPI):
+    (STORAGE_DIR / "html").mkdir(parents=True, exist_ok=True)
     await init_db()
     yield
     await close_db()