somebody can help me?
First thing to do would be to get rid of doubles, and then check to make sure that the vertices are actually connected together properly.
i removed double and recalculated normals, but not fixes, how i verify the vertices connected?
thx ur reply
What do the uv’s look like?
Your texture isn’t seamless in that spot!
what!? is impossible to fix?
you can change the uvmap, or paint a little bit in that area. It may help.
There’s not more we can do, just by looking at your screenshot.
A little painting can fix it
how i can do this? some tutorial please? 
Easier to fix in image editor, but: