diff --git a/.gitea/workflows/ci.yaml b/.gitea/workflows/ci.yaml
index 78b70a9..02ac9ef 100644
--- a/.gitea/workflows/ci.yaml
+++ b/.gitea/workflows/ci.yaml
@@ -9,7 +9,7 @@ jobs:
     name: 1. BUILD
     runs-on: ubuntu
     outputs:
-      message: ${{ steps.build.outputs.message }}
+      message: ${{ steps.execute.outputs.message }}
     steps:
     - name: Source Code checkout
       uses: actions/checkout@${{ vars.ACTION_CHECKOUT_VERSION }}
@@ -17,7 +17,14 @@ jobs:
       uses: ./
     - name: Execute
       id: execute
-      run: echo "do something..."
+      shell: bash
+      run: |
+        MESSAGE=$(codex exec "請你進行自我介紹" 2>/dev/null)
+        {
+          echo "message<<CODEX_EOF"
+          echo "$MESSAGE"
+          echo "CODEX_EOF"
+        } >> "$GITHUB_OUTPUT"
   test:
     name: 2. TEST
     runs-on: ubuntu