diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 4021dd4..930ce48 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -1,6 +1,8 @@
 name: Run Python script and update image
 
 on:
+  schedule:
+    - cron:  '0 3 * * *'  # 每天凌晨3点运行
   push:
     branches:
       - main  # 或者你想要运行这个工作流的分支
@@ -16,7 +18,15 @@ jobs:
     - name: Set up Python
       uses: actions/setup-python@v2
       with:
-        python-version: 3.9
+        python-version: 3.8
+
+    - name: Install Fontist
+      uses: fontist/setup-fontist@v1
+      with:
+        fontist-token: ${{ secrets.GH_TOKEN }}
+
+    - name: Install HYWenHei font
+      run: fontist install "HYWenHei"
 
     - name: Install dependencies
       run: |
@@ -32,4 +42,4 @@ jobs:
         git config --local user.name "GitHub Action"
         git add .
         git diff --quiet && git diff --staged --quiet || git commit -m "Update image"
-        git push --allow-unrelated-histories
+        git push -f origin main