diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index e1a03bd..a2970b4 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -51,7 +51,8 @@ jobs:
     #       password: ${{ secrets.DOCKERHUB_TOKEN }}
       - run: echo "docker build is ok." ${{matrix.profile}} ${{matrix.dockertag}} ${{matrix.dockerhubtag}}
       - run: echo env ${{env.DOCKERHUB_USERNAME}}  vars ${{vars.DOCKERHUB_USERNAME}} 
-      - run: echo sha ${{github.sha}} sha shor ${{ github.sha | truncate(7, '') }}    
+      - run: echo sha ${{github.sha}} 
+      - run: echo ${{ github.sha.substr(0, 7) }}