diff --git a/.github/workflows/workspace-ubuntu.yml b/.github/workflows/workspace-ubuntu.yml
index 88a6048..6085b52 100644
--- a/.github/workflows/workspace-ubuntu.yml
+++ b/.github/workflows/workspace-ubuntu.yml
@@ -85,7 +85,7 @@ jobs:
             projectorServerUrl=https://github.com/956237586/projector-server/releases/download/v1.8.1.12/projector-server-v1.8.1.12.zip
           push: ${{ github.event_name != 'pull_request' }}
           tags: |
-            registry.cn-hangzhou.aliyuncs.com/hylstudio/workspace:$DOCKER_METADATA_OUTPUT_VERSION
+            registry.cn-hangzhou.aliyuncs.com/hylstudio/workspace:${{ env.DOCKER_METADATA_OUTPUT_VERSION }}
             ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}
           cache-from: type=gha