init

Author: modstart

module/Blog/Admin/Controller/BlogController.php

@@ -49,9 +49,11 @@ protected function crud(AdminCRUDBuilder $builder)
                 $filter->like('title', '标题');
             })
             ->hookSaving(function (Form $form) use (&$updatedCategoryIds) {
-                $blog = ModelUtil::get('blog', $form->itemId());
-                if (!empty($blog['categoryId'])) {
-                    $updatedCategoryIds[] = $blog['categoryId'];
+                if ($form->itemId()) {
+                    $blog = ModelUtil::get('blog', $form->itemId());
+                    if (!empty($blog['categoryId'])) {
+                        $updatedCategoryIds[] = $blog['categoryId'];
+                    }
                 }
                 return Response::generateSuccess();
             })

vendor/modstart/modstart/src/Core/Dao/ModelUtil.php

@@ -204,6 +204,9 @@ public static function first($model, $where, $fields = ['*'], $order = null)
      */
     public static function get($model, $where, $fields = ['*'], $order = null)
     {
+        if (null === $where) {
+            return null;
+        }
         if (is_string($where) || is_numeric($where)) {
             $where = ['id' => $where];
         }