Click and open konqueror always open a Error:Unkown Host page

I can’t change it by change settings when konqueror start or homepage.

here is what I see.
Invalid URL

The requested URL “[no URL]”, is invalid.
Reference #9.8480632a.1477990563.22a22050

seems like the kde panel konqueror launcher script problem,I added the konqueror panel doesn’t have this problem.