diff --git a/App.xaml.cs b/App.xaml.cs
index 6d8abe8..c245e59 100644
--- a/App.xaml.cs
+++ b/App.xaml.cs
@@ -2,7 +2,11 @@
 using System.Collections.Generic;
 using System.Configuration;
 using System.Data;
+using System.Diagnostics;
+using System.IO;
 using System.Linq;
+using System.Reflection;
+using System.Runtime.InteropServices;
 using System.Threading.Tasks;
 using System.Windows;
 
@@ -13,5 +17,29 @@ namespace Audit
     /// </summary>
     public partial class App : Application
     {
+        /// <summary> 
+        /// App.xaml 的交互逻辑 
+        /// </summary> 
+            System.Threading.Mutex mutex;
+        /// <summary> 
+        ///检查应用进程，防止重复启动。
+        /// </summary> 
+        public App()
+            {
+                this.Startup += new StartupEventHandler(App_Startup);
+            }
+
+            void App_Startup(object sender, StartupEventArgs e)
+            {
+                bool ret;
+                mutex = new System.Threading.Mutex(true, "ElectronicNeedleTherapySystem", out ret);
+
+                if (!ret)
+                {
+                    MessageBox.Show("SC:审计管理已启动");
+                    Environment.Exit(0);
+                }
+
+            }
     }
 }
diff --git a/MainWindow.xaml.cs b/MainWindow.xaml.cs
index 3c91687..42f4a8f 100644
--- a/MainWindow.xaml.cs
+++ b/MainWindow.xaml.cs
@@ -37,13 +37,13 @@ namespace Audit
 
         private void exit(object sender, RoutedEventArgs e)
         {
-            Application.Current.Shutdown();//关闭窗口
+            Application.Current.Shutdown();//关闭全部窗口
         }
 
         private void help(object sender, RoutedEventArgs e)
         {
-            Windows.help help= new Windows.help();
-            help.Show();//实例化并打开帮助窗口
+            Windows.help help = new Windows.help();
+            help.Show();//实例化并打开帮助窗口              
         }
 
         private void RadioButton_Checked(object sender, RoutedEventArgs e)
@@ -52,9 +52,9 @@ namespace Audit
             if (string.IsNullOrEmpty(button.Content.ToString())) return;
             switch (button.Content.ToString())
             {
-                case "查询": container.Content = new QueryView(); break;
-                case "原料": container.Content = new StuffView(); break;
-                case "统计": container.Content = new StatisticsView(); break;                
+                case "查询": container.Content = new QueryView(); break;                    
+                case "原料": container.Content = new StuffView(); break;                   
+                case "统计": container.Content = new StatisticsView(); break;            
                 default:
                     break;
             }
diff --git a/ViewModel/QueryViewModel.cs b/ViewModel/QueryViewModel.cs
index 27ab78d..988e960 100644
--- a/ViewModel/QueryViewModel.cs
+++ b/ViewModel/QueryViewModel.cs
@@ -31,6 +31,9 @@ namespace Audit.ViewModel
                 RaisePropertyChanged();
             }
         }
+        /// <summary>
+        /// DyelotsBulkedRecipe
+        /// </summary>
         public List<DyelotsBulkedRecipe> DyelotsBulkedRecipe
         {
             get