用apache为每个人设定自己的个人主页

我在网上有看到关于apache为每个员工设定自己的个人主页，不过我做了就是不行，不知道是什么原因，
把相关配置信息和我做的步骤写出来，希望大家帮我更正～～
useradd webb
passwd webb
cd /home/webb
mkdir public_html
将home，web，public的目录及文件的权限都改为755   
把主页文件放到public_html 里   index.html
httpd.conf的配置如下：
# UserDir: The name of the directory which is appended onto a user's home
# directory if a ~user request is received.
#
<IfModule mod_userdir.c>
    UserDir public_html
</IfModule># Control access to UserDir directories.  The following is an example
# for a site where these directories are restricted to read-only.
#<Directory /home/*/public_html>
   AllowOverride FileInfo AuthConfig Limit
    DirectoryIndex index.html index.htm default.html default.htm
    Options MultiViews Indexes SymLinksIfOwnerMatch IncludesNoExec
   <Limit GET POST OPTIONS PROPFIND>
      Order allow,deny
        Allow from all
    </Limit>
   <LimitExcept GET POST OPTIONS PROPFIND>
        Order deny,allow
       Deny from all
    </LimitExcept>
</Directory>
#
# DirectoryIndex: Name of the file or files to use as a pre-written HTML
# directory index.  Separate multiple entries with spaces.
#
<IfModule mod_dir.c>
    DirectoryIndex  index.html default.html index.htm  default.htm　　　　　　

晕   没人帮忙解答一下吗　　　　　　

怎么测试的, 有什么错误?