Index: iknow-api/Models/RefreshToken.cs
===================================================================
--- iknow-api/Models/RefreshToken.cs	(revision 4e061d8c2af2ecd0b0495d9f5a22c1c1a32b8976)
+++ iknow-api/Models/RefreshToken.cs	(revision 1e58098a182dd9c4d1bf1b235b61ce1760f23f7c)
@@ -6,7 +6,7 @@
     {
         public int Id { get; set; }
-         public int UserId { get; set; }
-        public User User { get; set; } = null!;
-        public string Token { get; set; }
+        public int UserId { get; set; }
+        public User User { get; set; } 
+        public string? Token { get; set; }
         public DateTime ExpiresAt { get; set; }
         public bool IsValid { get; set; }