Language switcher shows bullets?

Hy there,

i activated your Polylang plugin for my multilanguage site.
All is ok, but when i added the language switcher to a predefined widget area, then it shows me flasg + the bullets of ul or li?

Can you help please…
Please see imate on next link as link of the problem:

https://www.dropbox.com/s/emos6tcrolvq33f/language-switcher.png?dl=0

Regards,
PSH website

https://ww.wp.xz.cn/plugins/polylang/