gx

@@ -114,10 +114,12 @@ class ProductController extends BaseController
                     'content'=>$this->param['content'] ?? '',
                     'thumb'=>json_encode($thumb,true),
                     'gallery'=>json_encode($gallery,true),
-                    'category_id'=>$category_id,
                     'created_at'=>date('Y-m-d H:i:s'),
                     'updated_at'=>date('Y-m-d H:i:s')
                 ];
+                if(!empty($category_id)){
+                    $productData['category_id'] = $category_id;
+                }
                 $product_id = $productModel->addReturnId($productData);
                 $route = RouteMap::setRoute($productData['title'], RouteMap::SOURCE_PRODUCT, $product_id, $this->param['project_id']);
                 $productModel->edit(['route'=>$route],['id'=>$cate_id]);