diff --git a/docs/用户中心.EAP b/docs/用户中心.EAP
new file mode 100644
index 00000000..a5b35fae
Binary files /dev/null and b/docs/用户中心.EAP differ
diff --git a/docs/资料/人力资源管理.pdf b/docs/资料/人力资源管理.pdf
new file mode 100644
index 00000000..88062bae
Binary files /dev/null and b/docs/资料/人力资源管理.pdf differ
diff --git a/labs/XamarinApp/XamarinApp/MainPage.xaml.cs b/labs/XamarinApp/XamarinApp/MainPage.xaml.cs
index b5101b65..97b16a49 100644
--- a/labs/XamarinApp/XamarinApp/MainPage.xaml.cs
+++ b/labs/XamarinApp/XamarinApp/MainPage.xaml.cs
@@ -1,5 +1,6 @@
 using System;
 using System.ComponentModel;
+using System.IO;
 using System.Threading.Tasks;
 using Xamarin.Forms;
 
@@ -8,11 +9,18 @@ namespace XamarinApp
     [DesignTimeVisible(false)]
     public partial class MainPage : ContentPage
     {
+        private string _configFile;
         private string _baseUrl = "http://192.168.1.8";
 
         public MainPage()
         {
             InitializeComponent();
+            this._configFile = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData), "config.txt");
+            if (!File.Exists(this._configFile))
+            {
+                File.WriteAllText(this._configFile, this._baseUrl);
+            }
+            this.webView.Source = this._baseUrl;
             this.Appearing += MainPage_Appearing;
         }
 
@@ -35,7 +43,8 @@ namespace XamarinApp
 
         private async Task SetBaseUrl()
         {
-            this._baseUrl = await DisplayPromptAsync("服务器", "配置服务器地址", "确定", "取消", this._baseUrl ?? "http://example.com", keyboard: Keyboard.Url, initialValue: this._baseUrl);
+            this._baseUrl = await DisplayPromptAsync("服务器", "配置服务器地址", "确定", "取消", this._baseUrl, keyboard: Keyboard.Url, initialValue: this._baseUrl);
+            File.WriteAllText(this._configFile, this._baseUrl);
             this.webView.Source = this._baseUrl;
         }
     }
diff --git a/tools/EnterpriseArchitect_12.zip b/tools/EnterpriseArchitect_12.zip
new file mode 100644
index 00000000..b4654175
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