Index: iknow-api/DTOs/RefreshTokenDTO.cs
===================================================================
--- iknow-api/DTOs/RefreshTokenDTO.cs	(revision c1553646f0c960dc4837b0901751e525a51f5613)
+++ iknow-api/DTOs/RefreshTokenDTO.cs	(revision af4f801397ceece4e342e05b655d48237371367c)
@@ -3,10 +3,12 @@
     public class VerifyRefreshTokenDto
     {
-        public string token { get; set; }
+        public string token { get; set; } = string.Empty;
     }
+
     public class AuthResultDto
     {
         public string AccessToken { get; set; } = string.Empty;
         public string? RefreshToken { get; set; }
+        public string Role { get; set; } = string.Empty;
     }
 }