THTTPD,识别不了.cgi文件

我在客户端点击“提交”时，出现的不是预期的login.cgi页面，而是给出了下载的Login.cgi文件的页面，怎么回事呢？
我的thttpd服务器显示html页面正常，thttpd.conf配置文件设置如下：

# This section overrides defaults
dir=/home/httpd/html
#chroot #屏蔽chroot是为了运行动态编译的CGI
user=httpd# default = nobody
logfile=/var/log/thttpd.log
pidfile=/var/run/thttpd.pid
# This section _documents_ defaults in effect
#port=80
# nosymlink# default = !chroot
#symlinks
# novhost
cgipat=/cgi-bin/*＃声明CGI程序的目录，是以dir为根目录的路径
# nothrottles
# host=0.0.0.0
# charset=iso-8859-1

如果perl编写的login.cgi返回的是html页面，即print"Content-type:text/html"...我的点击主页里的提交后，得到的页面为：
#!/usr/local/bin/perl print "Content-type:text/html","\n\n"; print "","\n"; print "","\n"; print "","\n"; print "","\n"; print "","\n"; print "
get message from url
","\n"; $Querystringfromenv=$ENV{QUERY_STRING}; @Nameandvaluelists=split(/&/,$Querystringfromenv); foreach $nameandvalue(@Nameandvaluelists) { ($Name,$Value)=split(/=/,$nameandvalue); $Name=~tr/+//; $Value=~s/%([\dA-Fa-f][\dA-Fa-f])/pack("c",hex($1))/eg; print"name=$Name,value=$Value",
\n"; } print "","\n"; print "","\n";
好像就是识别不了CGI，把源代码几乎都显示出来了。大侠们多多指教！