Thinkphp IIS 下找不到路由

<?xml version="1.0" encoding="utf-8"?>  
<configuration>  
    <system.webServer>  
        <rewrite>  
            <rules>  
                <rule name="OrgPage" stopProcessing="true">  
                    <match url="^(.*)$" />  
                    <conditions logicalGrouping="MatchAll">  
                        <add input="{HTTP_HOST}" pattern="^(.*)$" />  
                        <add input="{REQUEST_FILENAME}" matchType="IsFile" negate="true" />  
                        <add input="{REQUEST_FILENAME}" matchType="IsDirectory" negate="true" />  
                    </conditions>  
                    <action type="Rewrite" url="index.php/{R:1}" />  
                </rule>  
            </rules>  
        </rewrite>  
    </system.webServer>  
</configuration>