factor:布局颜色重构

lib/views/moment.dart

@@ -79,9 +79,10 @@ class _MomentPageState extends State<MomentPage> {
   void _scrollToTop() => scrollToTopAnimateTo(_scrollController);
 
   Widget _buildMomentList(FoodProvider provider) {
-    return ListView.builder(
+    return ListView.separated(
       controller: _scrollController,
       itemCount: provider.momentList.length,
+      separatorBuilder: (context, index) => SizedBox(height: 8),
       itemBuilder: (context, index) {
         return MomentCard(moment: provider.momentList[index]);
       },