能否指定只打包es产物

[callmeYe]

Do you want to request a feature or report a bug?

What is the current behavior?

If the current behavior is a bug, please provide the steps to reproduce and if possible a minimal demo of the problem.

• Iceworks CLI version：
• Node verson：
• Platform：

What is the expected behavior?

[maoxiaoke]

额外的 lib 目录有什么影响吗？