diff --git a/v2rayN/v2rayN/Handler/ConfigHandler.cs b/v2rayN/v2rayN/Handler/ConfigHandler.cs
index 935afdf0..cfdb0f58 100644
--- a/v2rayN/v2rayN/Handler/ConfigHandler.cs
+++ b/v2rayN/v2rayN/Handler/ConfigHandler.cs
@@ -943,6 +943,7 @@ namespace v2rayN.Handler
                 default:
                     return -1;
             }
+            string itemId = config.getItemId();
             var items = config.vmess.AsQueryable();
 
             if (asc)
@@ -954,6 +955,12 @@ namespace v2rayN.Handler
                 config.vmess = items.OrderByDescending(name.ToString()).ToList();
             }
 
+            var index_ = config.vmess.FindIndex(it => it.getItemId() == itemId);
+            if (index_ >= 0)
+            {
+                config.index = index_;
+            }
+
             ToJsonFile(config);
             return 0;
         }