modify channel styles

@@ -368,8 +368,12 @@ export default {
             } else {
               list[key] = data[key];
             }
+            if (!data.product_list) {
+              this.productList.list = [];
+            }
           }
           this.productList = list;
+
         }
       } catch (e) {
         // console.log(e);