who can help me?

hallo !! nice to meet bro

i cannot speak emglish very well

im now making website almost one month already

but i meet problem

problem is below

Login user Have to type agian user name and description (http://hallothai.com/?dir-item=banana-paradise) maybe becaouse of default theme (i think)
i ask for solve this problem . but he say go to the wordpress homepage.
what the….

anyway i search about this info . some info tell me . go to file wp-comments-

post.php . yeah i went to file . but so difficult to me . i cudnt do anything

my info about this file . pls survive me!!! i want login user dont need type

“user name” and “description” HELP ME HAND SOME MAN!!!

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