diff --git a/skills-req/req-prototype-plugin/skills/SKILL.md b/skills-req/req-prototype-plugin/skills/SKILL.md
index cd2e62b..1415643 100644
--- a/skills-req/req-prototype-plugin/skills/SKILL.md
+++ b/skills-req/req-prototype-plugin/skills/SKILL.md
@@ -1,7 +1,7 @@
 ---
 name: req-prototype
 description: 原型生成与关联。支持两种模式：(1) Stitch AI 基于 PRD 自动生成 UI 原型截图；(2) AI 编写 HTML 原型并上传关联到需求详情页 iframe。当执行 /req prototype 或需要生成/上传界面原型时使用。
-arguments: [REQ-ID] [upload|edit|variant] [--device desktop|mobile|tablet] [--model pro|flash] [--note "..."] [--prompt "..."]
+arguments: <REQ-ID> [subcommand] [options]
 ---
 
 # 原型设计 Skill (req-prototype)