增加遮罩层

lib/generated/assets.dart

@@ -125,6 +125,7 @@ class Assets {
   static const String imagesGift5 = 'assets/images/gift5.png';
   static const String imagesGiftIcon = 'assets/images/gift_icon.png';
   static const String imagesGiftPic = 'assets/images/gift_pic.png';
+  static const String imagesGradientBg = 'assets/images/gradient_bg.png';
   static const String imagesHangUpIcon = 'assets/images/hang_up_icon.png';
   static const String imagesHelpBg = 'assets/images/help_bg.png';
   static const String imagesHiIcon = 'assets/images/hi_icon.png';

lib/pages/discover/live_item_widget.dart

@@ -145,6 +145,14 @@ class _LiveItemWidgetState extends State<LiveItemWidget> {
             //     ],
             //   ),
             // ),
+            Positioned(
+              child: Image.asset(
+                Assets.imagesGradientBg,
+                width: 171.w,
+                height: 171.w,
+                fit: BoxFit.cover,
+              ),
+            ),
             if (widget.item != null && widget.item is Map && widget.item["isNew"] == true)
               Positioned(
                 top: 9.w,