那是因为别人设置了，加我为好友不需要验证，所以才会在你加的时候说j用户

那是因为别人设置了，加我为好友不需要验证，所以才会在你加的时候说j用户不存在的。如果是自己的账号别人加不了，那你就去隐私设置里设置加我为好友时需要验证，这样别人就能搜索到

結果 (英文) 1:

It is because someone else has set up, add me as a buddy does not require authentication, so would you say j user does not exist. If your account other people can't add, then you have to set your privacy settings when you add me as a friend, you need to verify, so that others will be able to search

結果 (英文) 2:

That is because someone else set up, add me as a friend does not require authentication, so will say when you add j user does not exist. If this is your account plus others not, then you go inside to set privacy settings add me as a friend when authentication is required, so that others will be able to search

結果 (英文) 3:

It is because someone has set, as a friend and I don't need validation, so J users don't exist only when you add. If your account other people can't, then you go to the privacy settings and set as a friend and I need to verify, search so that others can