Caster Zeng

### Description #### Related issues - None ### Checklist - [ ] New tests added or existing tests modified to cover all changes

cnpm update 出错。

1

cnpm update报错 `... needs updating to 1.0.7 from 1.0.5 but we can't, as it's a symlink` 使用npm update，也报错。 希望能支持update命令