Merge branch '1.22.0_master' of http://192.168.0.138:3000/FnuoOS_ZhiYing/zhiying_base_widget into 1.22.0_master

lib/pages/feedback_page/model/feedback_record_data_model.dart

@@ -41,7 +41,7 @@ class FeedbackRecordDataItemModel {
     state = json['state'];
     title = json['title'];
     content = json['content'];
-    imageList = json['image_list'].cast<String>();
+    imageList = json['image_list']?.cast<String>();
     createTime = json['create_time'];
   }