diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index ca166591..ed746236 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -12,6 +12,8 @@ on:
     branches: [main]
     paths:
       - "docker/*/Dockerfile"
+env:
+  matrix: ""
 
 jobs:
   setup:
diff --git a/docker/apphub/Dockerfile b/docker/apphub/Dockerfile
index df1d917a..c6d533bd 100644
--- a/docker/apphub/Dockerfile
+++ b/docker/apphub/Dockerfile
@@ -1,7 +1,7 @@
 # This file can running at actions
 
 
-# modify time: 202312110809, you can modify here to trigger Docker Build action
+# modify time: 202312110819, you can modify here to trigger Docker Build action
 
 
 FROM python:3.10-slim-bullseye