diff --git a/.github/workflows/docker-image.yml b/.github/workflows/docker-image.yml
index 2a6ede9..a4f5c12 100644
--- a/.github/workflows/docker-image.yml
+++ b/.github/workflows/docker-image.yml
@@ -26,6 +26,6 @@ jobs:
           context: .
           push: ${{ github.event_name == 'push' }}  # 仅推送代码时上传镜像
           tags: |
-            ghcr.io/${{ github.repository }}:latest
-            ghcr.io/${{ github.repository }}:${{ github.sha }}
-            ghcr.io/${{ github.repository }}:${{ github.ref_name }}
+            ghcr.io/${{ format('{0}:latest', toLower(github.repository)) }}
+            ghcr.io/${{ format('{0}:{1}', toLower(github.repository), github.sha) }}
+            ghcr.io/${{ format('{0}:{1}', toLower(github.repository), github.ref_name) }}