修复form方法中，当type=1时，$agent_product查询不到数据的判断

app/AdminAgent/Controllers/SlideController.php

@@ -106,10 +106,11 @@ class SlideController extends AdminController
 						->dialogWidth('80%;min-width:825px;')
 						->from(SelectAgentProduct::make(['id' => $form->url]))
 						->options(function ($v) {
-							if (!$v)  return [];
+							if (!$v || $this->type != 0)  return [];
 							$agent_product = AgentProduct::with('product:id,title')
 								->select(['id', 'product_id'])
 								->firstWhere(['id' => $v]);
+							if (!$agent_product) return [];
 							return [$agent_product->id => $agent_product->product->title];
 						})
 						->pluck('product.title')