diff --git a/.gitea/workflows/cd.yaml b/.gitea/workflows/cd.yaml
index ed0c97d1..7e162ea4 100644
--- a/.gitea/workflows/cd.yaml
+++ b/.gitea/workflows/cd.yaml
@@ -102,9 +102,11 @@ jobs:
             ln -sf "$(which python3)" /usr/local/bin/python3.11 || true
           fi
 
-          if [ ! -d "$VENV" ] || [ "$(cat $HASH_FILE 2>/dev/null)" != "$CURRENT_HASH" ]; then
+          if [ ! -d "$VENV/bin" ] || [ "$(cat $HASH_FILE 2>/dev/null)" != "$CURRENT_HASH" ]; then
             echo "📦 deps 已變更，重建 venv..."
-            rm -rf "$VENV"
+            # 2026-04-17 ogt: /opt/api-venv 是 volume mount，不能 rm -rf 目錄本身
+            # 改用 find 清空內容，保留 mount point 目錄
+            find "$VENV" -mindepth 1 -delete 2>/dev/null || true
             python3.11 -m venv $VENV
             source $VENV/bin/activate
             pip install -q uv