diff --git a/.github/workflows/deploy-to-server.yml b/.github/workflows/deploy-to-server.yml
index 1f05b654..06b50f4e 100644
--- a/.github/workflows/deploy-to-server.yml
+++ b/.github/workflows/deploy-to-server.yml
@@ -89,6 +89,13 @@ jobs:
       - name: 📥 检出代码
         uses: actions/checkout@v4
 
+      - name: 📦 确保 rsync 已安装
+        run: |
+          if ! command -v rsync &>/dev/null; then
+            sudo apt-get update -qq && sudo apt-get install -y rsync
+          fi
+          rsync --version | head -1
+
       - name: 🔑 配置 SSH 连接
         run: |
           mkdir -p ~/.ssh
diff --git a/.github/workflows/generate-module-doc.yml b/.github/workflows/generate-module-doc.yml
index e8de5d9e..15017793 100644
--- a/.github/workflows/generate-module-doc.yml
+++ b/.github/workflows/generate-module-doc.yml
@@ -49,7 +49,12 @@ jobs:
             echo "📋 文档无变化，跳过提交"
           else
             git commit -m "📋 自动更新 HoloLake Era 模块文档 · $(date -u +%Y-%m-%d\ %H:%M\ UTC)"
-            git push
+            git pull --rebase origin main || true
+            git push || {
+              echo "⚠️ 推送失败，尝试重新拉取后再推送..."
+              git pull --rebase origin main
+              git push
+            }
           fi
 
   notify-collaborator:
diff --git a/.github/workflows/update-repo-map.yml b/.github/workflows/update-repo-map.yml
index f2469e5a..fb1cb32b 100644
--- a/.github/workflows/update-repo-map.yml
+++ b/.github/workflows/update-repo-map.yml
@@ -34,4 +34,10 @@ jobs:
           git config user.email "zhuyuan@guanghulab.com"
           git add .github/brain/repo-map.json .github/brain/repo-snapshot.md
           git diff --cached --quiet || git commit -m "📚 铸渊图书馆目录更新 · $(date +%Y-%m-%dT%H:%M)"
-          git push
+          # 拉取远端最新更改后再推送，避免竞态条件
+          git pull --rebase origin main || true
+          git push || {
+            echo "⚠️ 推送失败，尝试重新拉取后再推送..."
+            git pull --rebase origin main
+            git push
+          }
diff --git a/m18-health-check b/m18-health-check
deleted file mode 160000
index 4c5dc4e8..00000000
--- a/m18-health-check
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 4c5dc4e8be2bcba1acee37c1bf93e18372ae4795
diff --git a/m18-health-check/README.md b/m18-health-check/README.md
new file mode 100644
index 00000000..857abf66
--- /dev/null
+++ b/m18-health-check/README.md
@@ -0,0 +1,5 @@
+# M18 系统健康检查
+- 负责人：待分配
+- 状态：规划中
+- 技术栈：待定
+- 依赖模块：无