1、消除空格

lib/widgets/home/home_goods/models/home_goods_list_style_model.dart

@@ -33,7 +33,7 @@ class HomeGoodsListStyleModel {
       });
 
   HomeGoodsListStyleModel.fromJson(Map<String, dynamic> json) {
-    hotRankIconList = json['hot_rank_icon_list']. cast<String>();
+    hotRankIconList = json['hot_rank_icon_list'].cast<String>();
     topMargin = json['top_margin'];
     listColumn = json['list_column'];
     leftRighMargin = json['left_righ_margin'];