diff --git a/.gitea/workflows/demo.yaml b/.gitea/workflows/demo.yaml
index a7c46dc..d37e66a 100644
--- a/.gitea/workflows/demo.yaml
+++ b/.gitea/workflows/demo.yaml
@@ -12,7 +12,7 @@ jobs:
           echo "任务是由 ${{ gitea.event_name }} 事件触发的"
           echo "你的分支是 ${{ gitea.ref }}"
           echo "你的仓库是 ${{ gitea.repository }}"
-          echo $ls ${{ gitea.workspace }}
+          echo &ls ${{ gitea.workspace }}
 
       - name: Check out repository code
         uses: http://shenjack.top:5100/gitea-server/checkout@v4
@@ -23,9 +23,9 @@ jobs:
           echo "你的仓库是 ${{ gitea.repository }}"
           echo "你的仓库路径是 ${{ gitea.workspace }}"
           echo "这个 Action 的运行状态是 ${{ job.status }}"
-          echo $ls ${{ gitea.workspace }}
+          echo &ls ${{ gitea.workspace }}
           cd ${{ gitea.workspace }}
-          echo $ls ..
+          echo &ls ..
 
       - name: 展示 python 版本
         run: |