gx

@@ -120,7 +120,7 @@ class DeleteBlogCategory extends Command
                         unset($category_id_arr[$k]);
                     }
                 }
-                $str = ','.Arr::arrToSet($category_id_arr).',';
+                $str = !empty($category_id_arr) ? ','.Arr::arrToSet($category_id_arr).',' : '';
                 $blogModel->edit(['category_id'=>$str],['id'=>$v['id']]);
             }
             $page++;

@@ -118,7 +118,7 @@ class DeleteNewsCategory extends Command
                         unset($category_id_arr[$k]);
                     }
                 }
-                $str = ','.Arr::arrToSet($category_id_arr).',';
+                $str = !empty($category_id_arr) ? ','.Arr::arrToSet($category_id_arr).',' : '';
                 $newsModel->edit(['category_id'=>$str],['id'=>$v['id']]);
             }
             $page++;

@@ -119,7 +119,7 @@ class DeleteProductCategory extends Command
                         unset($category_id_arr[$k]);
                     }
                 }
-                $str = ','.Arr::arrToSet($category_id_arr).',';
+                $str = !empty($category_id_arr) ? ','.Arr::arrToSet($category_id_arr).',' : '';
                 $productModel->edit(['category_id'=>$str],['id'=>$v['id']]);
             }
             $page++;