gx

@@ -144,7 +144,7 @@ class ProductLogic extends  BaseLogic
             $this->param['thumb'] = Arr::a2s($this->param['gallery'][0] ?? []);
             $this->param['gallery'] = Arr::a2s($this->param['gallery'] ?? []);
         }else{
-            $this->param['thumb'] = [];
+            $this->param['thumb'] = Arr::a2s([]);
         }
         $this->model->edit($this->param,['id'=>$this->param['id']]);
         return $this->success();
@@ -202,7 +202,7 @@ class ProductLogic extends  BaseLogic
             $param['thumb'] = Arr::a2s($param['gallery'][0] ?? []);
             $param['gallery'] = Arr::a2s($param['gallery'] ?? []);
         }else{
-            $param['thumb'] = [];
+            $param['thumb'] =  Arr::a2s([]);
         }
         $param['attrs'] = Arr::a2s($param['attrs'] ?? []);
         $param['attr_id'] = Arr::arrToSet($param['attr_id'] ?? '');