diff --git a/.gitea/workflows/deploy-demo.yaml b/.gitea/workflows/deploy-demo.yaml
index bb13a5f..167cd9f 100644
--- a/.gitea/workflows/deploy-demo.yaml
+++ b/.gitea/workflows/deploy-demo.yaml
@@ -12,6 +12,14 @@ jobs:
       - name: Checkout Code
         uses: actions/checkout@v3
 
+      - name: Step 0.0 - Fix potential directory-instead-of-file host paths
+        run: |
+          # 檢查宿主機上的固定路徑，如果是目錄則移除（通常是 Docker 誤建）
+          # /workspace/mama/star-cloud 是宿主機上持久化資料的路徑
+          docker run --rm -v /workspace/mama/star-cloud:/target busybox sh -c "
+            if [ -d /target/.env ]; then echo 'Removing .env directory on host'; rm -rf /target/.env; fi
+          "
+
       - name: Step 0 - Prepare Environment
         run: |
           # 從宿主機固定路徑把持久化的 .env 移回當前工作目錄，供 docker compose 使用