diff --git a/.gitea/workflows/cd.yaml b/.gitea/workflows/cd.yaml
index f1e67459..c86fcd73 100644
--- a/.gitea/workflows/cd.yaml
+++ b/.gitea/workflows/cd.yaml
@@ -1085,7 +1085,7 @@ jobs:
           test -s "${DEPLOY_KNOWN_HOSTS}" || { echo "❌ K8S host keyscan failed: ${K8S_SSH_HOST}"; exit 1; }
           SSH_OPTS="-i ${HOME}/.ssh/deploy_key -o BatchMode=yes -o StrictHostKeyChecking=yes -o UserKnownHostsFile=${DEPLOY_KNOWN_HOSTS} -o ConnectTimeout=10"
 
-          IMAGE_TAG="${{ github.sha }}"
+          export IMAGE_TAG="${{ github.sha }}"
           HARBOR=192.168.0.110:5000
 
           # ─── Step 1: Apply ConfigMap + ServiceRegistry (ArgoCD 管的是 Deployment，ConfigMap 仍直接 apply) ───