diff --git a/src/main/java/com/psg/dlsysinfo/dl_sysinfo_server/controller/AuthController.java b/src/main/java/com/psg/dlsysinfo/dl_sysinfo_server/controller/AuthController.java
index 648ae63..58eef9d 100644
--- a/src/main/java/com/psg/dlsysinfo/dl_sysinfo_server/controller/AuthController.java
+++ b/src/main/java/com/psg/dlsysinfo/dl_sysinfo_server/controller/AuthController.java
@@ -163,30 +163,35 @@ public class AuthController {
         }
     }
     @PostMapping("/refresh")
-  public ResponseEntity<?> refreshToken(HttpServletRequest request, HttpServletResponse response) {
-      String token = tokenResolver.resolveToken(request);
+    public ResponseEntity<?> refreshToken(HttpServletRequest request, HttpServletResponse response) {
+        String token = tokenResolver.resolveToken(request);
 
-      if (token != null && jwtUtil.validateToken(token)) {
-          String username = jwtUtil.extractUsername(token);
-          // Generate new token with extended expiry
-          String newToken = jwtUtil.generateToken(...); // same params as login
+        if (token != null && jwtUtil.validateToken(token)) {
+            String username = jwtUtil.extractUsername(token);
+            String displayName = jwtUtil.extractDisplayName(token);
+            String clientIdentifier = jwtUtil.extractClientIdentifier(token);
+            Long userId = jwtUtil.extractUserId(token);
+            List<String> roles = jwtUtil.extractRoles(token);
 
-          // Set new cookie
-          ResponseCookie cookie = ResponseCookie.from("authToken", newToken)
-              .httpOnly(true)
-              .secure(true)
-              .path("/")
-              .sameSite("None")
-              .maxAge(60 * 60)
-              .domain(resolveCookieDomain(request))
-              .build();
+            // Generate new token with extended expiry
+            String newToken = jwtUtil.generateToken(username, displayName, clientIdentifier, userId, roles);
 
-          response.addHeader(HttpHeaders.SET_COOKIE, cookie.toString());
-          return ResponseEntity.ok(Map.of("message", "Token refreshed"));
-      }
+            // Set new cookie
+            ResponseCookie cookie = ResponseCookie.from("authToken", newToken)
+                .httpOnly(true)
+                .secure(true)
+                .path("/")
+                .sameSite("None")
+                .maxAge(60 * 60)
+                .domain(resolveCookieDomain(request))
+                .build();
 
-      return ResponseEntity.status(401).body(Map.of("error", "Invalid token"));
-  }
+            response.addHeader(HttpHeaders.SET_COOKIE, cookie.toString());
+            return ResponseEntity.ok(Map.of("message", "Token refreshed"));
+        }
+
+        return ResponseEntity.status(401).body(Map.of("error", "Invalid token"));
+    }
 
 
 }