页面历史记录

1、如果实际花费超过预算总额，会有提示信息，但仍可继续添加实际花费

2、培训活动的预算费用审批通过后就不可维护了，实际费用仅在培训活动进行中，以及培训活动结束后可维护

 {
      "key": "train_mentor",
      "model": "TrainMentoring",
      "label": "导师子集",
      "parent_id": "disciple_id",
      "icon": "icon-hcm-training",
      "view": "multi"
    },
    {
      "key": "train_mentoring",
      "model": "TrainMentoring",
      "label": "徒弟子集",
      "parent_id": "train_mentor.mentor_id",
      "icon": "icon-hcm-training",
      "view": "multi"
    },
    {
      "key": "teach_session",
      "model": "TrainSession",
      "label": "讲师授课子集",
      "parent_id": "teacher.employee_id",
      "icon": "icon-hcm-training",
      "view": "multi"
    },
    {
      "key": "online_session",
      "model": "TrainSessionStudent",
      "label": "在线学习子集",
      "parent_id": "employee_id",
      "icon": "icon-hcm-training",
      "view": "multi"
    }