diff --git a/src/app/Services/ParticipantImportService.php b/src/app/Services/ParticipantImportService.php
index a15bea8..f249a62 100644
--- a/src/app/Services/ParticipantImportService.php
+++ b/src/app/Services/ParticipantImportService.php
@@ -109,6 +109,15 @@ class ParticipantImportService
                         ]
                     );
 
+                    // Kemaskini emel, telefon dan agensi jika peserta sedia ada dan CSV ada data
+                    if (! $participant->wasRecentlyCreated) {
+                        $updates = [];
+                        if (! empty($data['email']))  $updates['email']  = $data['email'];
+                        if (! empty($data['phone']))  $updates['phone']  = $data['phone'];
+                        if (! empty($data['agency'])) $updates['agency'] = $data['agency'];
+                        if ($updates) $participant->update($updates);
+                    }
+
                     $pp = $program->programParticipants()
                                   ->where('participant_id', $participant->id)
                                   ->first();