diff --git a/v2rayN/v2rayN/Handler/CoreConfig/CoreConfigSingbox.cs b/v2rayN/v2rayN/Handler/CoreConfig/CoreConfigSingbox.cs
index d43a07f09f..447db907b8 100644
--- a/v2rayN/v2rayN/Handler/CoreConfig/CoreConfigSingbox.cs
+++ b/v2rayN/v2rayN/Handler/CoreConfig/CoreConfigSingbox.cs
@@ -393,12 +393,15 @@ public int GenerateClientCustomConfig(ProfileItem node, string? fileName, out st
                 var singboxConfig = JsonUtils.Deserialize<SingboxConfig>(txtFile);
                 if (singboxConfig == null)
                 {
-                    msg = ResUI.FailedConversionConfiguration;
-                    return -1;
+                    //msg = ResUI.FailedConversionConfiguration;
+                    //return -1;
+                    File.Copy(addressFileName, fileName);
+                }
+                else
+                {
+                    GenExperimental(singboxConfig);
+                    JsonUtils.ToFile(singboxConfig, fileName, false);
                 }
-
-                GenExperimental(singboxConfig);
-                JsonUtils.ToFile(singboxConfig, fileName, false);
 
                 //check again
                 if (!File.Exists(fileName))