client_max_body_size 20M;

# 
# PHP is an HTML-embedded scripting language which attempts to make it 
# easy for developers to write dynamically generated webpages. 
# 

LoadModule php4_module modules/libphp4.so 

# 
# Cause the PHP interpreter handle files with a .php extension. 
# 

SetOutputFilter PHP 
SetInputFilter PHP 
LimitRequestBody 6550000 

# 
# Add index.php to the list of files that will be served as directory 
# indexes. 
# 
DirectoryIndex index.php 
误就发生在这个LimitRequestBody配置上，将这个的值改大到超过你的软件大小就可以了
如果没有这个配置文件请将

SetOutputFilter PHP 

SetInputFilter PHP 
LimitRequestBody 6550000 

AspMaxRequestEntityAllowed="204800" 即200K

AspMaxRequestEntityAllowed="20480000"