diff --git a/App.xaml.cs b/App.xaml.cs
index 2d3b14c..a69e4a7 100644
--- a/App.xaml.cs
+++ b/App.xaml.cs
@@ -1,7 +1,9 @@
-using System;
+using Svg;
+using System;
 using System.Collections.Generic;
 using System.Configuration;
 using System.Data;
+using System.IO;
 using System.Linq;
 using System.Threading.Tasks;
 using System.Windows;
@@ -42,6 +44,10 @@ namespace formula_manage
             this.DispatcherUnhandledException += App_DispatcherUnhandledException;
         }
 
+        string Log_time = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss");
+        string logpath = System.Environment.CurrentDirectory + "\\Log";//日志文件目录
+        //string logPathtxt = "" + System.Environment.CurrentDirectory + "\\Log\\"+ Log_time + "Log.txt";//日志文件
+
         private void App_DispatcherUnhandledException(object sender, System.Windows.Threading.DispatcherUnhandledExceptionEventArgs e)
         {
 
@@ -59,10 +65,30 @@ namespace formula_manage
                 MessageBox.Show("发生了一个无法处理的错误！请联系SUNLIGHT处理！" + Environment.NewLine
                               //      + "（2）错误源：" + e.Exception.InnerException.Source + Environment.NewLine
                                     + "错误信息：" + e.Exception.Message + Environment.NewLine
-                              //      + "（4）详细信息：" + e.Exception.InnerException.Message + Environment.NewLine
-                              //      + "（5）报错区域：" + e.Exception.InnerException.StackTrace
+                //      + "（4）详细信息：" + e.Exception.InnerException.Message + Environment.NewLine
+                //      + "（5）报错区域：" + e.Exception.InnerException.StackTrace
                                 );
             }
+
+            System.IO.DirectoryInfo log = new System.IO.DirectoryInfo(@logpath);//生成日志文件目录
+            if (!File.Exists(logpath + Log_time + "Log.txt"))//检查日志文件并写入启动日志
+            {
+                FileStream fs = new FileStream(logpath + Log_time + "Log.txt", FileMode.CreateNew, FileAccess.Write);//创建写入文件 
+                StreamWriter wr = new StreamWriter(fs);//创建文件
+                wr.WriteLine("||["+ Log_time + "];[Error source] ||" + e.Exception.Source + Environment.NewLine);
+                wr.WriteLine("||[" + Log_time + "];[Details] ||" + e.Exception.Source + Environment.NewLine);
+                wr.WriteLine("||[" + Log_time + "];[Error area] ||" + e.Exception.Source + Environment.NewLine);
+                wr.Close();
+            }
+            else
+            {
+                FileStream fs = new FileStream(logpath + Log_time + "Log.txt", FileMode.CreateNew, FileAccess.Write);//创建写入文件 
+                StreamWriter wr = new StreamWriter(fs);//创建文件
+                wr.WriteLine("||[" + Log_time + "];[Error source] ||" + e.Exception.Source + Environment.NewLine);
+                wr.WriteLine("||[" + Log_time + "];[Details] ||" + e.Exception.Source + Environment.NewLine);
+                wr.WriteLine("||[" + Log_time + "];[Error area] ||" + e.Exception.Source + Environment.NewLine);
+                wr.Close();
+            }
         }
 
         /// <summary>