fix test qr code

app/api/users.py

@@ -2,11 +2,11 @@ import os
 import secrets
 from fastapi import APIRouter, HTTPException, Body, Response
 from fastapi.params import Query
-from app import db
 from app.models.user import QrApprove, UserCreate, UserLogin, VerifyCode
 from app.models.request import ValidateRequest
 from app.services.auth import AuthService
 from app.db.database import users_collection, sessions_collection
+from app.db.database import db
 from datetime import datetime
 import json
 from fastapi import HTTPException
@@ -19,7 +19,7 @@ from app.services.dailyquests import DailyQuestsService
 
 coins_service = CoinsService()
 
-qr_logins_collection = db["qr_logins"]
+qr_logins_collection = db.qr_logins
 
 router = APIRouter(
     tags=["Users"]