修复添加/编辑优惠券语言接口bug

AdminController/ServeManagementController.py

@@ -807,7 +807,7 @@ class serveManagement(View):
                 lang_id = request_dict.get('langID', None)
                 if not lang_id:
                     return response.json(444)
-                Lang.objects.filter(
+                CouponLang.objects.filter(
                     id=lang_id).update(
                     lang=lang,
                     instruction=instruction,
@@ -816,7 +816,7 @@ class serveManagement(View):
                     remark=remark
                 )
             else:  # 添加
-                lang_obj = Lang.objects.filter(
+                lang_obj = CouponLang.objects.filter(
                     lang=lang,
                     instruction=instruction,
                     quota=quota,
@@ -825,14 +825,14 @@ class serveManagement(View):
                 )
                 if not lang_obj.exists():
                     # 数据不存在,lang表创建数据
-                    Lang.objects.create(
+                    CouponLang.objects.create(
                         lang=lang,
                         instruction=instruction,
                         quota=quota,
                         unit=unit,
                         remark=remark
                     )
-                    lang_obj = Lang.objects.filter(
+                    lang_obj = CouponLang.objects.filter(
                         lang=lang,
                         instruction=instruction,
                         quota=quota,