Index: iknow-api/DTOs/RefreshTokenDTO.cs
===================================================================
--- iknow-api/DTOs/RefreshTokenDTO.cs	(revision ab652ff2cf4420bcf41b4bc55899482afcf8a567)
+++ iknow-api/DTOs/RefreshTokenDTO.cs	(revision 93c368a431f87f49f4df37ae7c04be95baf7f484)
@@ -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;
     }
 }