diff --git a/CHANGELOG.md b/CHANGELOG.md
index 74cc91e..17ffae4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -14,6 +14,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/).
 - **harmonyos-build-deploy**: Fixed module type identification — now uses `module.json5` `type` field instead of heuristic based on `targets` presence
 - **harmonyos-build-deploy**: Extracted module discovery, build outputs, and unwanted modules into `references/module-discovery.md` (~138 lines moved out of SKILL.md)
 - **harmonyos-build-deploy**: Fixed unquoted variable in install.sh script
+- **harmonyos-build-deploy**: Deploy Only workflow now checks for empty output directory and collects signed artifacts from module build directories
 
 ### Removed
 
diff --git a/harmonyos-build-deploy/SKILL.md b/harmonyos-build-deploy/SKILL.md
index 2b88a47..cee13a3 100644
--- a/harmonyos-build-deploy/SKILL.md
+++ b/harmonyos-build-deploy/SKILL.md
@@ -66,9 +66,10 @@ Delegate to subagent with the following steps:
 Delegate to subagent with the following steps:
 
 1. Read `AppScope/app.json5` to get bundleName
-2. Deploy to device (see [Push and Install](#push-and-install) below)
-3. Launch: `hdc -t <UDID> shell "aa start -a EntryAbility -b <bundleName>"`
-4. Report success/failure with details
+2. Check `outputs/default/bundles/signed/` for existing build outputs. If empty or missing, collect signed HAP/HSP from each module's build directory (`{srcPath}/build/default/outputs/default/*-signed.*`) into `outputs/default/bundles/signed/`. See [module-discovery.md](references/module-discovery.md) for details.
+3. Deploy to device (see [Push and Install](#push-and-install) below)
+4. Launch: `hdc -t <UDID> shell "aa start -a EntryAbility -b <bundleName>"`
+5. Report success/failure with details
 
 ### Clean App Cache/Data