diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index c118e5d..a431bf8 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -102,6 +102,10 @@ jobs:
       BEIJING_TIME: ${{ steps.run_main_program.outputs.BEIJING_TIME }}
 
     steps:
+      # 使用GitHub Actions提供的动作来检出代码库
+      - name: Checkout Repository
+        uses: actions/checkout@main
+
       # 配置Python环境
       - name: Set up Python
         uses: actions/setup-python@main