优化获取优惠券其它语言返回英文

Controller/CouponController.py

@@ -1,17 +1,18 @@
 #!/usr/bin/env python3
 # -*- coding: utf-8 -*-
 import time
+
 from django.db.models import F
 from django.http import HttpResponse
 from django.views.generic.base import View
 
+from Ansjer.config import LOGGER
 from Controller.CloudPhoto.CloudServiceController import CloudServiceController
 from Model.models import CouponModel, Device_User
 from Object.Enums.ConstantEnum import ConstantEnum
 from Object.ResponseObject import ResponseObject
 from Object.TokenObject import TokenObject
 from Service.CommonService import CommonService
-from Ansjer.config import LOGGER
 
 
 # 优惠券
@@ -84,6 +85,8 @@ class CouponView(View):
     def query_user_coupon(self, request_dict, userID, response):  # 用户优惠券列表
         now_time = int(time.time())
         lang = request_dict.get('lang', 'en')
+        if lang not in ['en', 'cn']:
+            lang = 'en'
         coupon_obj = CouponModel.objects.filter(
             userID=userID,
             use_status=0,