diff --git a/.gitea/workflows/ci.yaml b/.gitea/workflows/ci.yaml
index 5c8b55f..95aa463 100644
--- a/.gitea/workflows/ci.yaml
+++ b/.gitea/workflows/ci.yaml
@@ -29,7 +29,6 @@ jobs:
       uses: https://gitea.jsc.idv.tw/composite-actions/codex@v${{ needs.release-tag-version.outputs.version }}
       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
diff --git a/action.yml b/action.yml
index 4a2de65..ef029ee 100644
--- a/action.yml
+++ b/action.yml
@@ -5,7 +5,6 @@ inputs:
   prompt:
     description: '傳給 Codex CLI 的提示詞'
     required: false
-    default: "請自我介紹"
   oauth:
     description: 'base64 編碼的 Codex OAuth token 檔案內容'
     required: true