diff --git a/v2rayN/v2rayN/Forms/MainForm.cs b/v2rayN/v2rayN/Forms/MainForm.cs
index 56c63c23..05a3f2fa 100644
--- a/v2rayN/v2rayN/Forms/MainForm.cs
+++ b/v2rayN/v2rayN/Forms/MainForm.cs
@@ -43,6 +43,7 @@ namespace v2rayN.Forms
         {
             ConfigHandler.LoadConfig(ref config);
             ConfigHandler.InitBuiltinRouting(ref config);
+            MainFormHandler.Instance.BackupGuiNConfig(config, true);
             v2rayHandler = new V2rayHandler();
             v2rayHandler.ProcessEvent += v2rayHandler_ProcessEvent;
 
@@ -929,7 +930,7 @@ namespace v2rayN.Forms
             {
                 if (!Utils.IsNullOrEmpty(MsgFilter))
                 {
-                    if (!Regex.IsMatch(text,MsgFilter))
+                    if (!Regex.IsMatch(text, MsgFilter))
                     {
                         return;
                     }
diff --git a/v2rayN/v2rayN/Handler/MainFormHandler.cs b/v2rayN/v2rayN/Handler/MainFormHandler.cs
index 6b74923f..054cf476 100644
--- a/v2rayN/v2rayN/Handler/MainFormHandler.cs
+++ b/v2rayN/v2rayN/Handler/MainFormHandler.cs
@@ -236,31 +236,44 @@ namespace v2rayN.Handler
             }
 
         }
-        
-        public void BackupGuiNConfig(Config config)
+
+        public void BackupGuiNConfig(Config config, bool auto = false)
         {
-            SaveFileDialog fileDialog = new SaveFileDialog
+            string fileName = string.Empty;
+            if (auto)
             {
-                Filter = "guiNConfig|*.json",
-                FilterIndex = 2,
-                RestoreDirectory = true
-            };
-            if (fileDialog.ShowDialog() != DialogResult.OK)
-            {
-                return;
+                fileName = Utils.GetTempPath($"guiNConfig{DateTime.Now.ToString("yyyyMMddHHmmssfff")}.json");
+            }
+            else
+            {
+                SaveFileDialog fileDialog = new SaveFileDialog
+                {
+                    Filter = "guiNConfig|*.json",
+                    FilterIndex = 2,
+                    RestoreDirectory = true
+                };
+                if (fileDialog.ShowDialog() != DialogResult.OK)
+                {
+                    return;
+                }
+                fileName = fileDialog.FileName;
             }
-            string fileName = fileDialog.FileName;
             if (Utils.IsNullOrEmpty(fileName))
             {
                 return;
             }
-            if (Utils.ToJsonFile(config, fileName) == 0)
+            var ret = Utils.ToJsonFile(config, fileName);
+            if (!auto)
             {
-                UI.Show(UIRes.I18N("OperationSuccess"));
-            }
-            else
-            {
-                UI.ShowWarning(UIRes.I18N("OperationFailed"));
+                if (ret == 0)
+                {
+
+                    UI.Show(UIRes.I18N("OperationSuccess"));
+                }
+                else
+                {
+                    UI.ShowWarning(UIRes.I18N("OperationFailed"));
+                }
             }
         }
 
diff --git a/v2rayN/v2rayN/Program.cs b/v2rayN/v2rayN/Program.cs
index cd3e1559..4d37d44f 100644
--- a/v2rayN/v2rayN/Program.cs
+++ b/v2rayN/v2rayN/Program.cs
@@ -34,7 +34,7 @@ namespace v2rayN
             if (!IsDuplicateInstance())
             {
 
-                Utils.SaveLog("v2rayN start up " + Utils.GetVersion());
+                Utils.SaveLog($"v2rayN start up | {Utils.GetVersion()} | {Utils.GetExePath()}");
 
                 //设置语言环境
                 string lang = Utils.RegReadValue(Global.MyRegPath, Global.MyRegKeyLanguage, "zh-Hans");
@@ -81,7 +81,7 @@ namespace v2rayN
 
             string name = Utils.GetExePath(); // Allow different locations to run
             name = name.Replace("\\", "/"); // https://stackoverflow.com/questions/20714120/could-not-find-a-part-of-the-path-error-while-creating-mutex
-            
+
             Global.mutexObj = new Mutex(false, name, out bool bCreatedNew);
             return !bCreatedNew;
         }