Brief: class instance & list
Brief: class instance & list

Jira:
Desc:
Reviewer:
Signed-off-by: Xie pengxiang <3d68ce8d6a6bfc39af0639a5682aab500a2e329a@365ime.com>

MoWangChen/Learning,MoWangChen/Learning,MoWangChen/Learning,MoWangChen/Learning