fix hexo deploy

.github/workflows/main.yml

@@ -1,3 +1,4 @@
+# auto deploy hexo blog website to github pages.
 name: Deploy
 
 on:
@@ -13,9 +14,6 @@ jobs:
       uses: actions/checkout@v1
       with:
         submodules: true # Checkout private submodules(themes or something else).
-    - name: Clean Deploy Folder
-      run: |
-        rm -rf .deploy_git
 
     # Caching dependencies to speed up workflows. (GitHub will remove any cache entries that have not been accessed in over 7 days.)
     - name: Cache node modules
@@ -36,7 +34,7 @@ jobs:
       uses: sma11black/hexo-action@v1.0.4
       with:
         deploy_key: ${{ secrets.DEPLOY_KEY }}
-        commit_msg: ${{ github.event.head_commit.message }}  # (or delete this input setting to use hexo default settings)
+        commit_msg: none  # (or delete this input setting to use hexo default settings)
     # Use the output from the `deploy` step(use for test action)
     - name: Get the output
       run: |