Fix run condition for PR

Author: ccmywish

.github/workflows/PR-notify.yml

@@ -4,7 +4,7 @@
 # Contributors  :  Nul None  <nul@none.org>
 #               |
 # Created On    : <2025-06-19>
-# Last Modified : <2025-06-20>
+# Last Modified : <2025-06-28>
 #
 # Notify PR
 # ---------------------------------------------------------------
@@ -22,7 +22,8 @@ jobs:
   enforce-dev-branch:
     name: 强制使用dev分支
     runs-on: ubuntu-latest
-    if: github.event.pull_request_target.base.ref != 'dev'
+    # github.event.pull_request_target 内容为空，转而用 pull_request
+    if: github.event.pull_request.base.ref != 'dev'
     steps:
       - name: 评论
         uses: thollander/actions-comment-pull-request@v3
@@ -31,17 +32,13 @@ jobs:
             ❤️ 感谢你的贡献！你的 PR 当前基于 ${{github.base_ref}} 分支，请修改使用 `dev` 分支！
           comment-tag: "❤️ 感谢你的贡献！"
       - run: |
-          echo "github.event.pull_request_target.base.label = [${{github.event.pull_request_target.base.label}}]"
-          echo "github.event.pull_request_target.base.ref = [${{github.event.pull_request_target.base.ref}}]"
-          echo "github.event.pull_request.base.label = [${{github.event.pull_request.base.label}}]"
-          echo "github.event.pull_request.base.ref = [${{github.event.pull_request.base.ref}}]"
           echo "::error::❌ PR 必须以 dev 分支为目标！当前是 ${GITHUB_BASE_REF}"
           exit 1
 
   welcome:
     name: 欢迎PR者
     runs-on: ubuntu-latest
-    if: github.event.pull_request_target.base.ref == 'dev'
+    if: github.event.pull_request.base.ref == 'dev'
     steps:
       - name: 评论
         if: github.event.pull_request.type == 'opened'