diff --git a/Documents/Resources/资源网站.md b/Documents/Resources/资源网站.md
index a3c7ff0..2ccf230 100644
--- a/Documents/Resources/资源网站.md
+++ b/Documents/Resources/资源网站.md
@@ -59,9 +59,12 @@
 - [英文缩写查询](https://suoxie.supfree.net/)
 - [搜英文缩写](http://shortof.com/)
 - [Baidu 搜索资源平台](https://ziyuan.baidu.com)
-- [Samacsys PCB 零件查找器](https://www.rs-online.com/designspark/samacsys-part-finder-cn)
-- [SnapEDA PCB 零件查找器](https://www.rs-online.com/designspark/snapeda-parts-finder-cn#/)
-- [Ultra Librarian PCB 零件查找器](https://www.rs-online.com/designspark/ultra-librarian-parts-finder-cn)
+- [RS-Online: Samacsys PCB 元件查找器](https://www.rs-online.com/designspark/samacsys-part-finder-cn)
+- [RS-Online: SnapEDA PCB 元件查找器](https://www.rs-online.com/designspark/snapeda-parts-finder-cn#/)
+- [RS-Online: Ultra Librarian PCB 元件查找器](https://www.rs-online.com/designspark/ultra-librarian-parts-finder-cn)
+- [Ultra Librarian PCB 元件查找器](https://www.ultralibrarian.com/)
+- [SnapEDA PCB 元件查找器](https://www.snapeda.com/)
+- [Component Search Engine PCB 元件查找器](https://componentsearchengine.com/)
 - [在线转换文件](https://onlineconvertfree.com/zh/)
 - [RF Tools](https://rf-tools.com)
 - [LC 滤波器设计工具](https://rf-tools.com/lc-filter/)