diff --git a/manual/Manual_Pengguna_eCert_MBIP.docx b/manual/Manual_Pengguna_eCert_MBIP.docx
index d02d9bd..9c9ea36 100644
Binary files a/manual/Manual_Pengguna_eCert_MBIP.docx and b/manual/Manual_Pengguna_eCert_MBIP.docx differ
diff --git a/manual/~$nual_Pengguna_eCert_MBIP.docx b/manual/~$nual_Pengguna_eCert_MBIP.docx
deleted file mode 100644
index 1a25f7e..0000000
Binary files a/manual/~$nual_Pengguna_eCert_MBIP.docx and /dev/null differ
diff --git a/src/app/Http/Controllers/Public/CheckinController.php b/src/app/Http/Controllers/Public/CheckinController.php
index ca83435..c516440 100644
--- a/src/app/Http/Controllers/Public/CheckinController.php
+++ b/src/app/Http/Controllers/Public/CheckinController.php
@@ -50,8 +50,11 @@ class CheckinController extends Controller
 
         $request->validate([
             'no_kp' => ['required', 'string', 'max:20'],
+            'email' => ['nullable', 'email', 'max:255'],
+            'phone' => ['nullable', 'string', 'max:20'],
         ], [
             'no_kp.required' => 'Sila masukkan No. Kad Pengenalan anda.',
+            'email.email'    => 'Format emel tidak sah.',
         ]);
 
         $result = $this->attendanceService->staffCheckin($program, $request->no_kp, $request);
diff --git a/src/app/Services/AttendanceService.php b/src/app/Services/AttendanceService.php
index 3898b68..7f0b9b1 100644
--- a/src/app/Services/AttendanceService.php
+++ b/src/app/Services/AttendanceService.php
@@ -40,6 +40,15 @@ class AttendanceService
         $attendance = DB::transaction(function () use ($program, $participant, $pp, $request) {
             $session = $pp->pre_registered_session ?? $program->default_staff_session ?? 'full_day';
 
+            // Kemaskini emel/telefon peserta jika diisi semasa check-in
+            $contactUpdate = array_filter([
+                'email' => $request->filled('email') ? $request->input('email') : null,
+                'phone' => $request->filled('phone') ? $request->input('phone') : null,
+            ]);
+            if ($contactUpdate) {
+                $participant->update($contactUpdate);
+            }
+
             $pp->update(['status' => 'checked_in']);
 
             return Attendance::create([
diff --git a/src/resources/views/public/checkin/show.blade.php b/src/resources/views/public/checkin/show.blade.php
index a93ac24..3dc63bc 100644
--- a/src/resources/views/public/checkin/show.blade.php
+++ b/src/resources/views/public/checkin/show.blade.php
@@ -67,6 +67,23 @@
             <div class="form-text">12 digit tanpa sempang</div>
             @error('no_kp')<div class="invalid-feedback">{{ $message }}</div>@enderror
         </div>
+        <div class="mb-3">
+            <label class="form-label fw-medium">Emel</label>
+            <input type="email" name="email"
+                   class="form-control @error('email') is-invalid @enderror"
+                   placeholder="nama@email.com"
+                   value="{{ old('email') }}" autocomplete="email">
+            <div class="form-text"><i class="bi bi-envelope me-1"></i>Untuk penerimaan e-sijil</div>
+            @error('email')<div class="invalid-feedback">{{ $message }}</div>@enderror
+        </div>
+        <div class="mb-4">
+            <label class="form-label fw-medium">No. Telefon</label>
+            <input type="tel" name="phone"
+                   class="form-control @error('phone') is-invalid @enderror"
+                   placeholder="0123456789"
+                   value="{{ old('phone') }}" autocomplete="tel">
+            @error('phone')<div class="invalid-feedback">{{ $message }}</div>@enderror
+        </div>
         <button type="submit" class="btn btn-primary w-100 btn-checkin">
             <i class="bi bi-box-arrow-in-right me-2"></i>Check-In
         </button>