diff --git a/.openclaw-sync/source.json b/.openclaw-sync/source.json
index cc2023129..2a8dabc7d 100644
--- a/.openclaw-sync/source.json
+++ b/.openclaw-sync/source.json
@@ -1,5 +1,5 @@
 {
   "repository": "openclaw/openclaw",
-  "sha": "540171ddbdd555ee9b9f85ae05adb223b32a8cfb",
-  "syncedAt": "2026-04-22T00:33:07.530Z"
+  "sha": "eb6006730d9f0f97994a0d7a2713617080d09032",
+  "syncedAt": "2026-04-22T00:49:28.818Z"
 }
diff --git a/docs/channels/line.md b/docs/channels/line.md
index b0e603e98..028d4df9c 100644
--- a/docs/channels/line.md
+++ b/docs/channels/line.md
@@ -205,6 +205,8 @@ The LINE plugin supports sending images, videos, and audio files through the age
 - **Videos**: sent with explicit preview and content-type handling.
 - **Audio**: sent as LINE audio messages.
 
+Outbound media URLs must be public HTTPS URLs. OpenClaw validates the target hostname before handing the URL to LINE and rejects loopback, link-local, and private-network targets.
+
 Generic media sends fall back to the existing image-only route when a LINE-specific path is not available.
 
 ## Troubleshooting