Hello,Why does my blog post url automatically add "_1"

Ask the community
,
1 
I use a bilingual website to build a website. When I publish a second language blog, the url automatically adds "_1"

Ex:
Set bolg url link this
"*.com/bolg/hello"
When I publish an article, the URL automatically becomes
"*.com/bolg/hello_1"
2

±+

3

wix multi-language blog url automatic add an extra '_1