下载了pageadmin外贸系统，在本地测试没什么问题，但是上传到bluehost的空间以后，打开网页显示的是下面的信息：
HTTP Error 500.19 - Internal Server Error
The requested page cannot be accessed because the related configuration data for the page is invalid.
Detailed Error Information
Module DefaultDocumentModule
Notification ExecuteRequestHandler
Handler StaticFile
Error Code 0x800700b7
Config Error Cannot add duplicate collection entry of type 'add' with unique key attribute 'value' set to 'index.aspx'
Config File \\?\D:\INETPUB\VHOSTS\jacled.com\httpdocs\web.config
Requested URL
http://jacled.com0/Physical Path D:\INETPUB\VHOSTS\jacled.com\httpdocs
Logon Method Anonymous
Logon User Anonymous
Config Source
25: <files>
26: <add value="index.aspx" />
27: </files>
Links and More Information This error occurs when there is a problem reading the configuration file for the Web server or Web application. In some cases, the event logs may contain more information about what caused this error.
View more information »
web.config的代码如下：
<?xml version="1.0" encoding="UTF-8"?>
<configuration>
<appSettings>
<add key="Url" value="localhost" />
<add key="License" value="" />
<add key="DbType" value="0" />
<add key="DBPath" value="/e/database/v3.mdb" />
<add key="SqlConnection" value="Provider=SQLOLEDB;Data Source=127.0.0.1;Initial Catalog=sq_data;User ID=sa;Password=123456" />
<add key="ManageDirectory" value="/e/master/" />
</appSettings>
<system.web>
<httpModules>
</httpModules>
<pages validateRequest="false" enableEventValidation="false" enableViewStateMac="false" viewStateEncryptionMode="Never" />
<compilation defaultLanguage="C#" debug="false" />
<authentication mode="Forms" />
<customErrors mode="Off">
<error statusCode="404" redirect="/error404.html" />
</customErrors>
<globalization requestEncoding="utf-8" responseEncoding="utf-8" fileEncoding="utf-8" />
<httpRuntime maxRequestLength="1024000" executionTimeout="3600" />
</system.web>
<system.webServer>
<defaultDocument>
<files>
<add value="index.aspx" />
</files>
</defaultDocument>
</system.webServer>
</configuration>
各位大侠有知道解决办法的没有，很着急，作为生手，完全不知道该从何下手。如果有知道的，麻烦把详细的解决方法给我，谢谢啦 ！
