The Style "Chinese Standard GB/T7714.ens" should be updated as soon as possible

I have a chinese publication with cation instructions in Chinese Standard “Information and documentation—Rules for bibliographic references and citations to information resources”(Standard No. GB/T 7714-2015) require this:


but the outcome of style offered in endnote website

is that 


The style seems out-of-date to satisfy the require above.

So how to make the [1,2]convet to [1-2], how to solve this problem?

Thanks a lot.