diff --git a/web/app.py b/web/app.py
index 747487c..15e8a1c 100644
--- a/web/app.py
+++ b/web/app.py
@@ -1,6 +1,7 @@
 """
 Web 后端 - FastAPI
 """
+import sqlite3
 from fastapi import FastAPI, HTTPException
 from fastapi.staticfiles import StaticFiles
 from fastapi.responses import FileResponse, HTMLResponse, JSONResponse