diff --git a/skills/lark-doc/SKILL.md b/skills/lark-doc/SKILL.md
index 725aee468..d4155fe4f 100644
--- a/skills/lark-doc/SKILL.md
+++ b/skills/lark-doc/SKILL.md
@@ -61,4 +61,5 @@ Shortcut 是对常用操作的高级封装（`lark-cli docs +<verb> [flags]`）
 | [`+update`](references/lark-doc-update.md) | Update a Lark document (str_replace / block_insert_after / block_replace / ...) |
 | [`+media-insert`](references/lark-doc-media-insert.md) | Insert a local image or file at the end of a Lark document (4-step orchestration + auto-rollback). Prefer `--from-clipboard` when the image is already on the system clipboard (screenshots, copy from Feishu/browser); use `--file` only for on-disk sources. |
 | [`+media-download`](references/lark-doc-media-download.md) | Download document media or whiteboard thumbnail (auto-detects extension) |
+| [`+media-preview`](references/lark-doc-media-preview.md) | Preview document media file (auto-detects extension) |
 | [`+whiteboard-update`](../lark-whiteboard/references/lark-whiteboard-update.md) | Alias of `whiteboard +update`. Update an existing whiteboard with DSL, Mermaid or PlantUML. Prefer `whiteboard +update`; refer to lark-whiteboard skill for details. |