刷新组件优化

lib/widget/my_refresh_list_public.dart

@@ -122,12 +122,14 @@ class _MyListViewPublicState extends State<MyListViewPublic> {
     Widget child = RefreshIndicator(
       onRefresh: _defaultRefresh,
       child: listItemCount == 0
-          ? StateLayout(
+          ? SingleChildScrollView(
+              child: StateLayout(
                 type: stateType,
                 emptyImg: widget.emptyImg,
                 hintText: widget.emptyText,
                 errorImg: widget.errorImg,
                 onRefresh: callRefresh,
+              ),
             )
           : ScrollConfiguration(
               //取消列表滑动水波纹