update

app/Http/Repositories/CmsContentTemplateSetRepository.php

@@ -67,18 +67,21 @@ class CmsContentTemplateSetRepository {
             $new_rule[]['rule'] = \GuzzleHttp\json_decode($v['rule'],true);
         }
         foreach ($new_rule as $k=>$v){
-            $rules = $v['rule'];
-            $show_type = $this->cmsSubject->select('show_type')->where('id', $rules['link_url'])->first();
-            $product = $this->cmsSubjectProduct->where('subject_id', $rules['link_url'])->orderBy('sort', 'asc')->get();
-            $pro_array = $product->toArray();
-            $res_id = implode(",", array_column($pro_array, 'id'));
-            $new_rule[$k]['product_id'] = $res_id;
-            $new_rule[$k]['subject_id'] = $rules['link_url'];
-            $new_rule[$k]['show_type'] = $show_type->show_type ?? '';
-            unset($v['url']);
-            unset($v['show_num']);
-            unset($rules['link_url']);
-            unset($v['link_type']);
+            if($v){
+                $rules = $v['rule'];
+                $show_type = $this->cmsSubject->select('show_type')->where('id', $rules['link_url'])->first();
+                $product = $this->cmsSubjectProduct->where('subject_id', $rules['link_url'])->orderBy('sort', 'asc')->get();
+                $pro_array = $product->toArray();
+                $res_id = implode(",", array_column($pro_array, 'id'));
+                $new_rule[$k]['product_id'] = $res_id;
+                $new_rule[$k]['subject_id'] = $rules['link_url'];
+                $new_rule[$k]['show_type'] = $show_type->show_type ?? '';
+                unset($v['url']);
+                unset($v['show_num']);
+                unset($rules['link_url']);
+                unset($v['link_type']);
+            }
+
         }
         $group_array['content'][2]['rule'] = $new_rule;