diff --git a/v2rayN/v2rayN/Handler/ConfigHandler.cs b/v2rayN/v2rayN/Handler/ConfigHandler.cs
index 28d5dcd0..f1e1db48 100644
--- a/v2rayN/v2rayN/Handler/ConfigHandler.cs
+++ b/v2rayN/v2rayN/Handler/ConfigHandler.cs
@@ -956,7 +956,7 @@ namespace v2rayN.Handler
                 //exist sub items
                 if (isSub && !Utils.IsNullOrEmpty(subid))
                 {
-                    var existItem = lstOriSub?.FirstOrDefault(t => CompareProfileItem(t, profileItem, true));
+                    var existItem = lstOriSub?.FirstOrDefault(t => t.isSub == isSub && CompareProfileItem(t, profileItem, true));
                     if (existItem != null)
                     {
                         profileItem.indexId = existItem.indexId;