diff --git a/App.xaml.cs b/App.xaml.cs
index e02095d..9e55094 100644
--- a/App.xaml.cs
+++ b/App.xaml.cs
@@ -38,10 +38,6 @@ namespace formula_manage
             this.DispatcherUnhandledException += App_DispatcherUnhandledException;
         }
 
-        string Log_time = DateTime.Now.ToString("yyyy-MM-dd");
-        string logpath = System.Environment.CurrentDirectory + "\\ERR";//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)
         {
             e.Handled = true;
@@ -65,28 +61,42 @@ namespace formula_manage
                                 );
             }
 
-            System.IO.DirectoryInfo log = new System.IO.DirectoryInfo(@logpath);//生成日志文件目录
+            string Log_time = DateTime.Now.ToString("yyyy-MM-dd");
+            string logpath = System.Environment.CurrentDirectory + "\\ERR";//日志文件目录
+            //string logPathtxt = "" + System.Environment.CurrentDirectory + "\\Log\\"+ Log_time + "Log.txt";//日志文件
+            // System.IO.DirectoryInfo log = new System.IO.DirectoryInfo();//生成日志文件目录
             string log_path = logpath + "\\ERR" + Log_time + ".txt";
             string Log_timehms = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss");
-            if (!File.Exists(log_path))//检查文件并写入
+            if (Directory.Exists(logpath))//检查日志路径
             {
-                FileStream fs = new FileStream(log_path, FileMode.CreateNew, FileAccess.Write);//创建写入文件 
-                StreamWriter wr = new StreamWriter(fs);//创建文件
-                wr.WriteLine("[" + Log_timehms + "];[Error] ||" + Environment.NewLine.ToString());
-                wr.WriteLine("[" + Log_timehms + "];[Error source] ||" + e.Exception.Source.ToString() + Environment.NewLine.ToString());
-                wr.WriteLine("[" + Log_timehms + "];[Error message] ||" + e.Exception.Message.ToString() + Environment.NewLine.ToString());
-                wr.WriteLine("[" + Log_timehms + "];[Error area] ||" + e.Exception.StackTrace.ToString());
-                wr.Close();
+                if (!File.Exists(log_path))//检查文件并写入
+                {
+                    FileStream fs = new FileStream(log_path, FileMode.CreateNew, FileAccess.Write);//创建文件 
+                    StreamWriter wr = new StreamWriter(fs);//创建文件
+                    wr.Close();
+                    FileStream fil = new FileStream(log_path, FileMode.Append, FileAccess.Write);//创建写入文件 
+                    StreamWriter wfil = new StreamWriter(fil);//创建文件
+                    wfil.WriteLine("[" + Log_timehms + "];[Error] ||" + Environment.NewLine.ToString());
+                    wfil.WriteLine("[" + Log_timehms + "];[Error source] ||" + e.Exception.Source.ToString() + Environment.NewLine.ToString());
+                    wfil.WriteLine("[" + Log_timehms + "];[Error message] ||" + e.Exception.Message.ToString() + Environment.NewLine.ToString());
+                    wfil.WriteLine("[" + Log_timehms + "];[Error area] ||" + e.Exception.StackTrace.ToString());
+                    wfil.Close();
+                }
+                else
+                {
+                    FileStream fs = new FileStream(log_path, FileMode.Append, FileAccess.Write);//创建写入文件 
+                    StreamWriter wr = new StreamWriter(fs);//创建文件
+                    wr.WriteLine("[" + Log_timehms + "];[Error] ||" + Environment.NewLine.ToString());
+                    wr.WriteLine("[" + Log_timehms + "];[Error source] ||" + e.Exception.Source.ToString() + Environment.NewLine.ToString());
+                    wr.WriteLine("[" + Log_timehms + "];[Error message] ||" + e.Exception.Message.ToString() + Environment.NewLine.ToString());
+                    wr.WriteLine("[" + Log_timehms + "];[Error area] ||" + e.Exception.StackTrace.ToString());
+                    wr.Close();
+                }
             }
             else
             {
-                FileStream fs = new FileStream(log_path, FileMode.Append, FileAccess.Write);//创建写入文件 
-                StreamWriter wr = new StreamWriter(fs);//创建文件
-                wr.WriteLine("[" + Log_timehms + "];[Error] ||" + Environment.NewLine.ToString());
-                wr.WriteLine("[" + Log_timehms + "];[Error source] ||" + e.Exception.Source.ToString() + Environment.NewLine.ToString());
-                wr.WriteLine("[" + Log_timehms + "];[Error message] ||" + e.Exception.Message.ToString() + Environment.NewLine.ToString());
-                wr.WriteLine("[" + Log_timehms + "];[Error area] ||" + e.Exception.StackTrace.ToString());
-                wr.Close();
+                DirectoryInfo directoryInfo = new DirectoryInfo(logpath);
+                directoryInfo.Create();
             }
         }
 
diff --git a/UserClass/LogGing.cs b/UserClass/LogGing.cs
index b49b6df..637194a 100644
--- a/UserClass/LogGing.cs
+++ b/UserClass/LogGing.cs
@@ -11,22 +11,27 @@ namespace formula_manage.UserClass
             string logPath = "" + System.Environment.CurrentDirectory + "\\Log\\" + DateTime.Now.ToString("yyyy-MM-dd") + ".txt";//日志文件
             string Log_time = "[" + DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss") + "]：";
 
-            System.IO.DirectoryInfo log = new System.IO.DirectoryInfo(@logpath);//生成日志文件目录
-            if (!File.Exists(logPath))//检查日志文件并写入启动日志
+            if (Directory.Exists(logpath))//检查日志路径
             {
-                FileStream fs = new FileStream(logPath, FileMode.CreateNew, FileAccess.Write);//创建写入文件 
-                StreamWriter wr = new StreamWriter(fs);//创建文件
-                wr.WriteLine(Log_time + dat);
-                wr.Close();
+                if (!File.Exists(logPath))//检查日志文件并写入启动日志
+                {
+                    FileStream fs = new FileStream(logPath, FileMode.CreateNew, FileAccess.Write);//创建写入文件 
+                    StreamWriter wr = new StreamWriter(fs);//创建文件
+                    wr.WriteLine(Log_time + dat);
+                    wr.Close();
+                }
+                else
+                {
+                    FileStream fs = new FileStream(logPath, FileMode.Append, FileAccess.Write);
+                    StreamWriter wr = new StreamWriter(fs);//创建文件
+                    wr.WriteLine(Log_time + dat);
+                    wr.Close();                }
             }
             else
             {
-                FileStream fs = new FileStream(logPath, FileMode.Append, FileAccess.Write);
-                StreamWriter wr = new StreamWriter(fs);//创建文件
-                wr.WriteLine(Log_time + dat);
-                wr.Close();
+                DirectoryInfo directoryInfo = new DirectoryInfo(logpath);
+                directoryInfo.Create();//创建日志路径
             }
-
         }
     }
 }