Mongodb内嵌list rename怎么操作

“`
{
“_id”: 1,
“alias”: [ “The American Cincinnatus”, “The American Fabius” ],
“mobile”: “555-555-5555”,
“name”: { “first” : “george”, “last” : “washington” }
“list”:[{“name1″:”value1”},{“name1″:”value1”},{“name1″:”value1”}]
}

“`
例如这个代码片段，想要修改list中的所有name1为name2怎么操作