how to hide the placeholder when i input chinese

[calmound]

hello!!
I input the chinese and the Input Method Editor was working, But the placeholder was also showing.When I hit ENTER key that placeholder would be hiding. So i want to know how to solve this problem.I saw the placehoder of the slate had not this problem.

[calmound]

Thanks,I found this merge (ianstormtaylor/slate#4352). The slate has resolve,I will update my version.