feat: rawdata env: (#413)
feat: rawdata env: (#413)

* fix image lost when switching form type

Co-authored-by: shenshihao <b38caa33b28c5c6a763b56f7b6eeb6c3788b6352@bytedance.com>
bytedance/fedlearner,bytedance/fedlearner,bytedance/fedlearner,bytedance/fedlearner,bytedance/fedlearner,bytedance/fedlearner,bytedance/fedlearner