update: 调整查找礼物间隔时间

Author: flxxyz

example/web/index.html

@@ -62,7 +62,7 @@
                     isClosed: true,
                     gift: {},
                     fetchGift: null,
-                    intervalFetchGift: 15 * 60 * 1000,
+                    intervalFetchGift: 2 * 60 * 1000,
                     url: 'https://flxxyz.github.io/douyudm/example/web/host.json',
                     douyuUrl: '',
                     giftUrl: '',