diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 7a6a7e3..ad5040f 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -69,7 +69,6 @@ jobs:
           GITHUB_WORKFLOW: ${{ github.workflow }}
           GITHUB_RUN_NUMBER: ${{ github.run_number }}
           GITHUB_RUN_ID: ${{ github.run_id }}
-          BEIJING_TIME: $(TZ='Asia/Shanghai' date +'%Y-%m-%d %H:%M:%S:%3N')
         run: |
           export BEIJING_TIME=$(TZ='Asia/Shanghai' date +'%Y-%m-%d %H:%M:%S:%3N')
           python main.py
@@ -90,6 +89,7 @@ jobs:
           # 方便通过截图快速定位到用户
           echo "Repository Name: ${{ github.repository }}"
           echo "Commit SHA: ${{ github.sha }}"
+          echo "Parent SHA: ${{ github.event.before }}"
           echo "Current Workflow: ${{ github.workflow }}"
           echo "Workflow Number: ${{ github.run_number }}"
           echo "Workflow ID: ${{ github.run_id }}"