Ok, Thanks.

The CF was not published, and when i manually published the CF, the page worked.so every time i use a CF in my page it will be necessary to upload the CF manually, right?but when i publish my page, all the content shouldn't be published together?

I've built some content fragments and added them to a page in my Author instance, but when i publish this pages the content fragments does not appearsPage in my Author instancePage in my Author instanceas we can see i have a content fragment in the page, but when i publish the page it look like this...