diff --git a/v2rayN/v2rayN/Handler/TunHandler.cs b/v2rayN/v2rayN/Handler/TunHandler.cs
index 602179a9..af23503b 100644
--- a/v2rayN/v2rayN/Handler/TunHandler.cs
+++ b/v2rayN/v2rayN/Handler/TunHandler.cs
@@ -206,7 +206,7 @@ namespace v2rayN.Base
                     StartInfo = new ProcessStartInfo
                     {
                         FileName = fileName,
-                        Arguments = $"run -c {Utils.GetConfigPath(_tunConfigName)}",
+                        Arguments = $"run -c \"{Utils.GetConfigPath(_tunConfigName)}\"",
                         WorkingDirectory = Utils.GetConfigPath(),
                         UseShellExecute = showWindow,
                         CreateNoWindow = !showWindow,
diff --git a/v2rayN/v2rayN/Handler/UpdateHandle.cs b/v2rayN/v2rayN/Handler/UpdateHandle.cs
index 89186f1b..69d71666 100644
--- a/v2rayN/v2rayN/Handler/UpdateHandle.cs
+++ b/v2rayN/v2rayN/Handler/UpdateHandle.cs
@@ -55,7 +55,7 @@ namespace v2rayN.Handler
                                 StartInfo = new ProcessStartInfo
                                 {
                                     FileName = "v2rayUpgrade.exe",
-                                    Arguments = "\"" + fileName + "\"",
+                                    Arguments = $"\"{fileName}\"",
                                     WorkingDirectory = Utils.StartupPath()
                                 }
                             };