diff --git a/v2rayN/v2rayN/Handler/CoreConfig/CoreConfigSingbox.cs b/v2rayN/v2rayN/Handler/CoreConfig/CoreConfigSingbox.cs
index 66c67ddb..66afe2be 100644
--- a/v2rayN/v2rayN/Handler/CoreConfig/CoreConfigSingbox.cs
+++ b/v2rayN/v2rayN/Handler/CoreConfig/CoreConfigSingbox.cs
@@ -389,19 +389,24 @@ namespace v2rayN.Handler.CoreConfig
                     return -1;
                 }
 
-                var txtFile = File.ReadAllText(addressFileName);
-                var singboxConfig = JsonUtils.Deserialize<SingboxConfig>(txtFile);
-                if (singboxConfig == null)
+                if (node.address == Global.CoreMultipleLoadConfigFileName)
                 {
-                    //msg = ResUI.FailedConversionConfiguration;
-                    //return -1;
-                    File.Copy(addressFileName, fileName);
+                    var txtFile = File.ReadAllText(addressFileName);
+                    var singboxConfig = JsonUtils.Deserialize<SingboxConfig>(txtFile);
+                    if (singboxConfig == null)
+                    {
+                        File.Copy(addressFileName, fileName);
+                    }
+                    else
+                    {
+                        GenInbounds(singboxConfig);
+                        GenExperimental(singboxConfig);
+                        JsonUtils.ToFile(singboxConfig, fileName, false);
+                    }
                 }
                 else
                 {
-                    GenInbounds(singboxConfig);
-                    GenExperimental(singboxConfig);
-                    JsonUtils.ToFile(singboxConfig, fileName, false);
+                    File.Copy(addressFileName, fileName);
                 }
 
                 //check again