diff --git a/.github/workflows/close_specific_pr.yml b/.github/workflows/close_specific_pr.yml
index 74f9a4899..8ed49d3eb 100644
--- a/.github/workflows/close_specific_pr.yml
+++ b/.github/workflows/close_specific_pr.yml
@@ -26,6 +26,13 @@ jobs:
         run: |
           PR_TITLE=$(jq -r ".pull_request.title" $GITHUB_EVENT_PATH)
           echo "PR_TITLE: $PR_TITLE"
+          
+          # 检查标题是否符合 Conventional Commits 格式中的 feat 或 fix (不区分大小写)
+          if printf '%s\n' "$PR_TITLE" | grep -Eiq '(^|[[:space:]])(feat|fix)(\([^)]+\))?(!)?:'; then
+            echo "PR title contains feat or fix, skipping auto-close."
+            exit 0
+          fi
+          
           gh pr comment ${{ github.event.pull_request.number }} --repo ${{ github.repository }} --body '${{ env.comment }}'
           gh pr close ${{ github.event.pull_request.number }} --repo ${{ github.repository }}
         env:
diff --git a/.github/workflows/download_dispatch.yml b/.github/workflows/download_dispatch.yml
index c45f94f49..86f132a60 100644
--- a/.github/workflows/download_dispatch.yml
+++ b/.github/workflows/download_dispatch.yml
@@ -40,6 +40,12 @@ on:
           - 是 | 本子维度合并pdf
           - 是 | 章节维度合并pdf
 
+      PDF_NAME_RULE:
+        type: string
+        description: 'PDF文件命名规则。支持字段如 Aid, Atitle, Pindex, Pid, Ptitle'
+        default: ''
+        required: false
+
       ZIP_NAME:
         type: string
         default: 本子.tar.gz
@@ -78,6 +84,7 @@ jobs:
       UPLOAD_NAME: ${{ github.event.inputs.UPLOAD_NAME }}
       IMAGE_SUFFIX: ${{ github.event.inputs.IMAGE_SUFFIX }}
       PDF_OPTION: ${{ github.event.inputs.PDF_OPTION }}
+      PDF_NAME_RULE: ${{ github.event.inputs.PDF_NAME_RULE }}
 
       # 登录相关secrets
       JM_USERNAME: ${{ secrets.JM_USERNAME }}
diff --git a/usage/workflow_download.py b/usage/workflow_download.py
index dea02af81..4f8121225 100644
--- a/usage/workflow_download.py
+++ b/usage/workflow_download.py
@@ -84,11 +84,19 @@ def cover_option_config(option: JmOption):
     pdf_option = env('PDF_OPTION', None)
     if pdf_option and pdf_option != '否':
         call_when = 'after_album' if pdf_option == '是 | 本子维度合并pdf' else 'after_photo'
+        
+        pdf_name_rule = env('PDF_NAME_RULE', None)
+        if isinstance(pdf_name_rule, str):
+            pdf_name_rule = pdf_name_rule.strip()
+            
+        if not pdf_name_rule:
+            pdf_name_rule = '[JM{Aid}] {Atitle}' if call_when == 'after_album' else '[JM{Aid}] 第{Pindex}章-JM{Pid}-{Ptitle}'
+            
         plugin = [{
             'plugin': Img2pdfPlugin.plugin_key,
             'kwargs': {
                 'pdf_dir': option.dir_rule.base_dir + '/pdf/',
-                'filename_rule': call_when[6].upper() + 'id',
+                'filename_rule': pdf_name_rule,
                 'delete_original_file': True,
             }
         }]