diff --git a/app/Http/Controllers/DataKriteriaController.php b/app/Http/Controllers/DataKriteriaController.php
index c759c00..31c46f8 100644
--- a/app/Http/Controllers/DataKriteriaController.php
+++ b/app/Http/Controllers/DataKriteriaController.php
@@ -58,9 +58,12 @@ class DataKriteriaController extends Controller
 
     function update(Request $request, $id) {
         $data = $request->validate([
+            'kode_kriteria'  => 'required|unique:mst_kriteria,kode_kriteria',
             'nama_kriteria'  => 'required',
             'bobot_kriteria'  => 'required',
         ],[
+            'kode_kriteria.required'  => 'Kode Kriteria wajib diisi',
+            'kode_kriteria.unique'  => 'Kode Kriteria sudah terpakai',
             'nama_kriteria.required'  => 'Nama Kriteria wajib diisi',
             'bobot_kriteria.required'  => 'Bobot Kriteria wajib diisi',
         ]);
diff --git a/resources/views/pages/data_kriteria/form.blade.php b/resources/views/pages/data_kriteria/form.blade.php
index 7d6aebe..fe5ff34 100644
--- a/resources/views/pages/data_kriteria/form.blade.php
+++ b/resources/views/pages/data_kriteria/form.blade.php
@@ -29,7 +29,7 @@
                     <div class="col-lg-12">
                         <div class="form-group">
                             <label for="">Kode Kriteria</label>
-                            <input type="text" class="form-control" name="kode_kriteria" @if(!empty($kriteria)) value="{{ $kriteria->kode_kriteria }}" disabled @endif>
+                            <input type="text" class="form-control" name="kode_kriteria" @if(!empty($kriteria)) value="{{ $kriteria->kode_kriteria }}"  @endif>
                         </div>
                     </div>
                     <div class="col-lg-12">
@@ -47,7 +47,7 @@
                 </div>
             </div>
             <div class="card-footer justify-content-between" style="display: flex">
-                <a href="{{ URL::previous() }}" class="btn btn-sm btn-warning">Kembali</a>
+                <a href="{{ route('data_kriteria') }}" class="btn btn-sm btn-warning">Kembali</a>
                 @if (!empty($kriteria))
                 <button class="btn btn-sm btn-primary">Update</button>
                 @else