diff --git a/think-backend.greaterchiangmai.com/resources/views/backend/article-where-else/add.blade.php b/think-backend.greaterchiangmai.com/resources/views/backend/article-where-else/add.blade.php
index 19881c6..6c1589b 100644
--- a/think-backend.greaterchiangmai.com/resources/views/backend/article-where-else/add.blade.php
+++ b/think-backend.greaterchiangmai.com/resources/views/backend/article-where-else/add.blade.php
@@ -166,7 +166,7 @@
                                                  <label
                                                      class="form-check form-check-custom form-check-inline form-check-solid me-5 {{ $errors->has('sub_categories') ? 'is-invalid' : '' }}">
                                                      <input class="form-check-input" name="sub_categories[]"
-                                                         id="sub_categories" type="checkbox" value="{{ $item->id }}"
+                                                         type="checkbox" value="{{ $item->id }}"
                                                          {{ in_array($item->id, old('sub_categories', [])) ? 'checked' : '' }}>
                                                      <span class="fw-semibold ps-2 fs-6">
                                                          {{ $item->name . '(' . $item->name_en . ')' }}
@@ -542,7 +542,7 @@
                  }
 
                  // categories
-                 const subCate = $('#sub_categories');
+                 const subCate = $('input[name="sub_categories[]"]');
                  const anySelected = Array.from(subCate).some(checkbox => checkbox.checked);
                  if (!anySelected) {
                      alertFail('Notice', "Sub Categories is required");
diff --git a/think-backend.greaterchiangmai.com/resources/views/backend/article/add.blade.php b/think-backend.greaterchiangmai.com/resources/views/backend/article/add.blade.php
index e444c91..a150302 100644
--- a/think-backend.greaterchiangmai.com/resources/views/backend/article/add.blade.php
+++ b/think-backend.greaterchiangmai.com/resources/views/backend/article/add.blade.php
@@ -173,7 +173,7 @@
                                                  <label
                                                      class="form-check form-check-custom form-check-inline form-check-solid me-5 {{ $errors->has('sub_categories') ? 'is-invalid' : '' }}">
                                                      <input class="form-check-input" name="sub_categories[]"
-                                                         id="sub_categories" type="checkbox" value="{{ $item->id }}"
+                                                         type="checkbox" value="{{ $item->id }}"
                                                          {{ in_array($item->id, old('sub_categories', [])) ? 'checked' : '' }}>
                                                      <span class="fw-semibold ps-2 fs-6">
                                                          {{ $item->name . '(' . $item->name_en . ')' }}
@@ -555,7 +555,7 @@
                  }
 
                  // categories
-                 const subCate = $('#sub_categories');
+                 const subCate = $('input[name="sub_categories[]"]');
                  const anySelected = Array.from(subCate).some(checkbox => checkbox.checked);
                  if (!anySelected) {
                      alertFail('Notice', "Sub Categories is required");