diff --git a/Feed43-Feeds-List.md b/Feed43-Feeds-List.md
index b2b040e..6c8e281 100644
--- a/Feed43-Feeds-List.md
+++ b/Feed43-Feeds-List.md
@@ -4,32 +4,32 @@
### Entertainment
-- 人人影视字幕下载 https://node2.feed43.com/1625207886088602.xml
+- 人人影视字幕下载 https://node2.feed43.com/1625207886088602.xml  
### Travel
- 美国攻略 « 实用可靠的美国生活知识 https://node2.feed43.com/gonglueus.xml
-- 飞客茶馆 酒店优惠 https://feed43.com/feikechaguan.xml
+- 飞客茶馆 酒店优惠 https://feed43.com/feikechaguan.xml  
### Video / Vlog
-- acfun: 交通事故video https://node2.feed43.com/accident.xml
+- acfun: 交通事故video https://node2.feed43.com/accident.xml  
### News
-- 事實查核報告 | 台灣事實查核中心 https://node2.feed43.com/0137438613414252.xml
+- 事實查核報告 | 台灣事實查核中心 https://node2.feed43.com/0137438613414252.xml  
### School / University
- 上海对外经贸大学
- - 教学通知 https://node2.feed43.com/5871420886087030.xml
- - 讲座 https://node2.feed43.com/0646022510746432.xml
- - 体育部最新公告 https://node2.feed43.com/6585477606105127.xml
- - 毕业专栏 https://node2.feed43.com/5205127887417633.xml
+ - 教学通知 https://node2.feed43.com/5871420886087030.xml  
+ - 讲座 https://node2.feed43.com/0646022510746432.xml  
+ - 体育部最新公告 https://node2.feed43.com/6585477606105127.xml  
+ - 毕业专栏 https://node2.feed43.com/5205127887417633.xml  
### Coding
-- MATLAB爱好者 https://node2.feed43.com/matlabaihaozhe.xml
+- MATLAB爱好者 https://node2.feed43.com/matlabaihaozhe.xml  
## What is Feed43 ?
@@ -59,4 +59,14 @@ Yes, because of #NoCode. Well, almost #NoCode. That's the significant difference
Feel free to help enlarge the collection or improve this page! Submit an edit!
+## Acknowledgement
+
+With [Feedsearch](feedsearch.dev) API, we can easily tell whether a certain Feed43 feed is active by checking its `item_count` and `last_updated`. Thanks very much.
+
+Instance for generateing dynamic badge by using Sheilds.io:
+
+```
+https://img.shields.io/badge/dynamic/json?color=orange&logo=rss&label=It%20has&query=%24%5B0%5D.item_count&suffix=%20entries&url=https%3A%2F%2Ffeedsearch.dev%2Fapi%2Fv1%2Fsearch%3Furl%3Dhttps%3A%2F%2Fnode2.feed43.com%2Fmatlabaihaozhe.xml
+```
+

diff --git a/README.md b/README.md
index f5b73ee..b7216cd 100644
--- a/README.md
+++ b/README.md
@@ -153,7 +153,7 @@ Inspired by [Awesome lists](https://github.com/sindresorhus/awesome) and [@realS
- [GNOME Feeds](https://gabmus.gitlab.io/gnome-feeds/) [337](https://t.me/s/aboutrss/337) [![Linux][Linux icon]](https://flathub.org/apps/details/org.gabmus.gfeeds)[![Open-Source Software][oss icon]](https://gitlab.com/gabmus/gnome-feeds)![Freeware][freeware icon]
- [USEPANDA](https://usepanda.com/) [340](https://t.me/s/aboutrss/340) [![Online][Online icon]](https://usepanda.com/app/)[![Chrome][Chrome icon]](https://chrome.google.com/webstore/detail/panda-5-your-favorite-web/haafibkemckmbknhfkiiniobjpgkebko)[![][iPhone icon]](https://apps.apple.com/gb/app/panda-lite-browse-product/id934805959)
- [Akregator](https://kde.org/applications/internet/org.kde.akregator) [340](https://t.me/s/aboutrss/340) ![Linux][Linux icon]![Freeware][freeware icon]
-- [QuiteRSS](https://quiterss.org/) [340](https://t.me/s/aboutrss/340) ![Windows][Windows icon]![Mac][Mac icon]![Linux][Linux icon][![Open-Source Software][oss icon]](https://github.com/QuiteRSS/quiterss)![Freeware][freeware icon]
+- [QuiteRSS](https://quiterss.org/) [340](https://t.me/s/aboutrss/340), [535](https://t.me/s/aboutrss/535) ![Windows][Windows icon]![Mac][Mac icon]![Linux][Linux icon][![Open-Source Software][oss icon]](https://github.com/QuiteRSS/quiterss)![Freeware][freeware icon]
- [Liferea](https://lzone.de/liferea/) [340](https://t.me/s/aboutrss/340) ![Linux][Linux icon][![Open-Source Software][oss icon]](https://github.com/lwindolf/liferea)![Freeware][freeware icon]
- [newsbeuter](https://newsbeuter.org/) [340](https://t.me/s/aboutrss/340) ![Linux][Linux icon][![Open-Source Software][oss icon]](https://github.com/akrennmair/newsbeuter/tree/master)![Freeware][freeware icon]
- [feeder](https://feeder.co/) [340](https://t.me/s/aboutrss/340), [446](https://t.me/s/aboutrss/446) [![Online][Online icon]](https://feeder.co/login)[![Chrome][Chrome icon]](https://chrome.google.com/webstore/detail/rss-feed-reader/pnjaodmkngahhkoihejjehlcdlnohgmp)[![Firefox][Firefox icon]](https://addons.mozilla.org/firefox/addon/feeder/)[![][iPhone icon]](https://itunes.apple.com/us/app/feeder.co-rss-feed-reader/id668210239?mt=8)[![Android][Android icon]](https://play.google.com/store/apps/details?id=feeder.co)