Sharepoint Blog Comment Input textbox got disappeared

I have on开发者_高级运维e blog site created.I was working as required for almost 2 month.

But, suddenly comments link stopped working. I am not able to see Add Comment Textboxes.

There is no problem of security access,I have already checked those setting.

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1. Go to post.aspx
2. Find Webpart to add new comment
3. Right Click on it
4. Select webpart properties which is List Form View webpart
5. From wepart Properties , Go to Layouts,and uncheck Close the webpart
6. Save the page (post.aspx)