optimize: workflow

.github/workflows/pull.yml

@@ -12,12 +12,12 @@ jobs:
 
     # Steps represent a sequence of tasks that will be executed as part of the job
     steps:
-      - name: Close PR if commit message is "Update main.go"
-        if: github.event.pull_request.title == 'Update main.go'
+      - name: Close PR if commit message contains "Update"
+        if: github.event.pull_request.title.includes('Update')
         uses: superbrothers/close-pull-request@v3
         with:
           # Optional. Post a issue comment just before closing a pull request.
-          comment: "Invalid PR."
+          comment: "非法PR. 请`fork`后修改自己的仓库, 而不是向主仓库提交更改. 如果您确信您的PR是为了给主仓库新增功能或修复bug, 请更改默认PR标题."
 
   golangci:
     name: lint