联通测试服，优化修改联通测试后台管理功能(修改参数)

AdminController/UnicomManageController.py

@@ -112,7 +112,7 @@ class UnicomComboView(View):
                     'serialNo': unicom_device.serial_no,
                     'userID': unicom_device.user_id,
                     'cardType': unicom_device.card_type,
-                    'main_card': unicom_device.main_card,
+                    'mainCard': unicom_device.main_card,
                     'createdTime': unicom_device.created_time,
                     'NickName': '',
                     'phone': ''