diff --git a/skills/obsidian-kb/SKILL.md b/skills/obsidian-kb/SKILL.md
index 37ba5ee..51af706 100644
--- a/skills/obsidian-kb/SKILL.md
+++ b/skills/obsidian-kb/SKILL.md
@@ -1,6 +1,6 @@
 ---
 name: obsidian-kb
-description: Multi-source content knowledge base with video processing. Auto-triggers on B站/bilibili video links (BV号, b23.tv, www.bilibili.com), YouTube videos, or Zhihu articles. Use when user mentions adding videos to inbox, processing video content, extracting subtitles, or generating markdown notes from B站/YouTube/Zhihu content.
+description: Multi-source content knowledge base with video processing. Use when user says "保存知识库", "添加到知识库", "处理这个视频", "生成obsidian笔记" etc. Supports B站/bilibili (BV号, b23.tv, www.bilibili.com), YouTube videos, and Zhihu articles.
 ---
 
 # SKILL.md - Obsidian KB Skill