WCF 服務第一次調用慢的問題

寫了一個WCF Serivces供外部程序通過.NET Businesss Connector調用AX的代碼，第一次調用的時候總是很慢，有時候甚至超過1分鍾，訪問地址改成http://localhost的時候第一次調用又很快,改成IP地址后第一次就非常慢。

之所以這樣是因為通過添加服務引用的方式生成的配置文件里，默認把useDefaultWebProxy設置為true了，這種情況下在連接WCF Serives的時候客戶端總是嘗試查找代理，找不到后再直接連，這個時間很長，所以會出現超時，解決辦法是把這個屬性改成false，不讓它找代理。

<?xml version="1.0" encoding="utf-8" ?>
<configuration>
    <system.serviceModel>
        <bindings>
         
            <basicHttpBinding>
                <binding name="BasicHttpBinding_AXServices" closeTimeout="00:01:00"
                    openTimeout="00:01:00" receiveTimeout="00:10:00" sendTimeout="00:01:00"
                    allowCookies="false" bypassProxyOnLocal="true" hostNameComparisonMode="StrongWildcard"
                    maxBufferSize="65536" maxBufferPoolSize="524288" maxReceivedMessageSize="65536"
                    messageEncoding="Text" textEncoding="utf-8" transferMode="Buffered"
                    useDefaultWebProxy="false">
                    <readerQuotas maxDepth="32" maxStringContentLength="8192" maxArrayLength="16384"
                        maxBytesPerRead="4096" maxNameTableCharCount="16384" />
                    <security mode="None">
                        <transport clientCredentialType="None" proxyCredentialType="None"
                            realm="" />
                        <message clientCredentialType="UserName" algorithmSuite="Default" />
                    </security>
                </binding>
            </basicHttpBinding>
        </bindings>
        <client>
            <endpoint address="http://192.168.0.110:8889/AXServices" binding="basicHttpBinding"
                bindingConfiguration="BasicHttpBinding_AXServices" contract="AXServices.AXServices"
                name="BasicHttpBinding_AXServices" />
        </client>
    </system.serviceModel>
</configuration>