diff --git a/.vs/config/applicationhost.config b/.vs/config/applicationhost.config
index fe6aaf88..9f3e75be 100644
--- a/.vs/config/applicationhost.config
+++ b/.vs/config/applicationhost.config
@@ -163,7 +163,7 @@
             </site>
             <site name="MessageWeb" id="2">
                 <application path="/" applicationPool="Clr4IntegratedAppPool">
-                    <virtualDirectory path="/" physicalPath="D:\jane\chord\MessageWeb" />
+                    <virtualDirectory path="/" physicalPath="D:\chord\chord\MessageWeb" />
                 </application>
                 <bindings>
                     <binding protocol="http" bindingInformation="*:49870:localhost" />
@@ -187,7 +187,7 @@
             </site>
             <site name="ilovelibrary" id="5">
                 <application path="/" applicationPool="Clr4IntegratedAppPool">
-                    <virtualDirectory path="/" physicalPath="D:\jane\chord\ilovelibrary" />
+                    <virtualDirectory path="/" physicalPath="D:\chord\chord\ilovelibrary" />
                 </application>
                 <bindings>
                     <binding protocol="http" bindingInformation="*:28413:localhost" />
@@ -195,7 +195,7 @@
             </site>
             <site name="dp2weixinP2P" id="6">
                 <application path="/" applicationPool="Clr4IntegratedAppPool">
-                    <virtualDirectory path="/" physicalPath="D:\jane\chord\dp2weixinP2P" />
+                    <virtualDirectory path="/" physicalPath="D:\chord\chord\dp2weixinP2P" />
                 </application>
                 <bindings>
                     <binding protocol="http" bindingInformation="*:15794:localhost" />
diff --git a/DigitalPlatform.MessageServer/ServerInfo.cs b/DigitalPlatform.MessageServer/ServerInfo.cs
index 9ab6798e..0dba4ed2 100644
--- a/DigitalPlatform.MessageServer/ServerInfo.cs
+++ b/DigitalPlatform.MessageServer/ServerInfo.cs
@@ -57,6 +57,28 @@ static string AutoTriggerUrl
             set;
         }
 
+        public static void CreateCfgFile(string strCfgFileName,
+            string strMongoDbConnStr = "",
+            string strMongoDbInstancePrefix = "")
+        {
+            // 默认值
+            if (string.IsNullOrEmpty(strMongoDbConnStr))
+                strMongoDbConnStr = "mongodb://localhost";
+            if (string.IsNullOrEmpty(strMongoDbInstancePrefix))
+                strMongoDbInstancePrefix = "mserver";
+
+            XmlDocument dom = new XmlDocument();
+            dom.LoadXml("<root />");
+
+            XmlElement mongoDB = dom.CreateElement("mongoDB");
+            dom.DocumentElement.AppendChild(mongoDB);
+
+            mongoDB.SetAttribute("connectionString", strMongoDbConnStr);
+            mongoDB.SetAttribute("instancePrefix", strMongoDbInstancePrefix);
+
+            dom.Save(strCfgFileName);
+        }
+
         public static void Initial(InitialParam param)
         {
             AutoTriggerUrl = param.AutoTriggerUrl;
diff --git a/dp2MServer/Program.cs b/dp2MServer/Program.cs
index e30cf48c..a67d6c3c 100644
--- a/dp2MServer/Program.cs
+++ b/dp2MServer/Program.cs
@@ -1,28 +1,19 @@
 using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
 using System.Reflection;
 using System.Threading.Tasks;
-using System.Threading;
 using System.ServiceProcess;
-using System.Runtime.InteropServices;
 using System.Diagnostics;
-using System.Security.Principal;
-// using System.Configuration;
-using System.IO;
 
 using Owin;
 using Microsoft.Owin.Cors;
 using Microsoft.Owin.Hosting;
 using Microsoft.AspNet.SignalR;
-
-using dp2MServer.Properties;
+using Microsoft.Owin;
 
 using DigitalPlatform.MessageServer;
 using DigitalPlatform.ServiceProcess;
-using DigitalPlatform.Xml;
-using Microsoft.Owin;
+using System.IO;
+using DigitalPlatform.IO;
 
 namespace dp2MServer
 {
@@ -116,7 +107,17 @@ static void Main(string[] args)
                         AutoTriggerUrl = strValue;
                 }
 
+                string strCfgFileName = Path.Combine(DataDir, "config.xml");
+
                 SaveConfig();
+
+                // 创建数据目录中的 config.xml 配置文件
+                if (File.Exists(strCfgFileName) == false)
+                {
+                    PathUtil.CreateDirIfNeed(Path.GetDirectoryName(strCfgFileName));
+                    ServerInfo.CreateCfgFile(strCfgFileName);
+                    Console.WriteLine("首次创建配置文件 " + strCfgFileName);
+                }
 #if NO
                 Console.WriteLine("(直接回车表示不修改当前值)");
                 Console.WriteLine("请输入服务器 URI: (当前值为 " + Settings.Default.ServerURI + ")");