diff --git a/.gitea/workflows/ci.yaml b/.gitea/workflows/ci.yaml
index d8d33d5..5c8b55f 100644
--- a/.gitea/workflows/ci.yaml
+++ b/.gitea/workflows/ci.yaml
@@ -30,3 +30,6 @@ jobs:
       with:
         oauth: ${{ secrets.CODEX_OAUTH }}
         prompt: "請自我介紹"
+    - name: 檢查輸出
+      if: ${{ steps.codex.outputs.text != vars.CODEX_EMAIL }}
+      run: exit 1