diff --git a/v2rayN/v2rayN/Handler/ConfigHandler.cs b/v2rayN/v2rayN/Handler/ConfigHandler.cs
index 89cdcf3d..774c5a6a 100644
--- a/v2rayN/v2rayN/Handler/ConfigHandler.cs
+++ b/v2rayN/v2rayN/Handler/ConfigHandler.cs
@@ -1176,7 +1176,7 @@ namespace v2rayN.Handler
                 }
                 return false;
             }
-            
+
             ProfileItem profileItem = new();
 
             //Is v2ray array configuration
diff --git a/v2rayN/v2rayN/Model/V2rayConfig.cs b/v2rayN/v2rayN/Model/V2rayConfig.cs
index 6fe71dc8..18b7ca20 100644
--- a/v2rayN/v2rayN/Model/V2rayConfig.cs
+++ b/v2rayN/v2rayN/Model/V2rayConfig.cs
@@ -253,6 +253,29 @@ namespace v2rayN.Model
         ///
         /// </summary>
         public int? userLevel { get; set; }
+
+        /// <summary>
+        ///
+        /// </summary>
+        public FreedomFragment4Ray? fragment { get; set; }
+    }
+
+    public class FreedomFragment4Ray
+    {
+        /// <summary>
+        /// Packets
+        /// </summary>
+        public string packets { get; set; }
+
+        /// <summary>
+        /// Length
+        /// </summary>
+        public string length { get; set; }
+
+        /// <summary>
+        /// Interval
+        /// </summary>
+        public string interval { get; set; }
     }
 
     public class VnextItem4Ray
@@ -664,6 +687,19 @@ namespace v2rayN.Model
 
     public class Sockopt4Ray
     {
+        /// <summary>
+        /// Dialer Proxy
+        /// </summary>
         public string? dialerProxy { get; set; }
+
+        /// <summary>
+        /// TCP keep-alive idle time
+        /// </summary>
+        public int? tcpKeepAliveIdle { get; set; }
+
+        /// <summary>
+        /// TCP no delay option
+        /// </summary>
+        public bool? TcpNoDelay { get; set; }
     }
 }
\ No newline at end of file