web中c#纯网站中引用log4net模块，不记录日志

<?xml version="1.0" encoding="utf-8" ?>
<configuration>
<configSections>
<section name="log4net" type="log4net.Config.Log4NetConfigurationSectionHandler,log4net" />
</configSections>
<appSettings>
</appSettings> <log4net>
<root>
<level value="ALL"/>
<appender-ref ref="InfoAppender"/>
<appender-ref ref="ErrorAppender" />
</root>
<logger name="logerror">
<level value="ALL"/>
<level value="ERROR" />
<appender-ref ref="ErrorAppender" />
</logger>
<logger name="loginfo">
<level value="ALL"/>
<level value="INFO" />
<appender-ref ref="InfoAppender" />
</logger>
<appender name="ErrorAppender" type="log4net.Appender.RollingFileAppender,log4net">
<!--日志路径-->
<param name="File" value="Log\\" />
<!--是否是向文件中追加日志-->
<param name="AppendToFile" value="true" />
<!--log保留天数-->
<param name="MaxSizeRollBackups" value="" />
<param name="MaxFileSize" value="" />
<!--日志文件名是否是固定不变的-->
<param name="StaticLogFileName" value="false" />
<!--日志文件名格式为:--.log-->
<param name="DatePattern" value="yyyyMMdd'.log'" />
<!--日志根据日期滚动-->
<param name="RollingStyle" value="Date" />
<layout type="log4net.Layout.PatternLayout">
<conversionPattern value="%date [%thread] %-5level %logger [%property{NDC}] - %message%newline"/>
</layout>
</appender>
<appender name="InfoAppender" type="log4net.Appender.RollingFileAppender,log4net">
<param name="File" value="Log\\" />
<param name="AppendToFile" value="true" />
<param name="MaxFileSize" value="" />
<param name="MaxSizeRollBackups" value="" />
<param name="StaticLogFileName" value="false" />
<param name="DatePattern" value="yyyyMMdd'.log'" />
<param name="RollingStyle" value="Date" />
<layout type="log4net.Layout.PatternLayout">
<conversionPattern value="%date [%thread] %-5level %logger [%property{NDC}] - %message%newline"/>
</layout>
</appender>
</log4net>
<startup>
<supportedRuntime version="v2.0.50727"/>
</startup>
</configuration>