Chrome使用我的localhost网址添加额外问号

I have installed php with apache. I can access my project with this url in local.

http://localhost

I have changed DocumentRoot in httpd.conf file to access my project. So the above works in all browsers except CHROME.

It will add extra question mark ? with the end of the url and some extra text. please see the below.

http://localhost/?_sm_au_=iVV75n6kWFLgSV7R 

This is the response displayed in this page.

The following error was encountered:
Zero Sized Reply

Squid did not receive any data for this request

Please help