添加打包限制。

.github/workflows/desktop-client-dev.yml

@@ -4,11 +4,41 @@ on:
   push:
     tags:
       - 'v*'  # 仅在推送 v 开头的 tag 时触发打包
-    paths:
-      - 'desktop-client/**'   # 只有该目录下的文件被修改时才触发
 
 jobs:
+  # tag 推送时官方不评估 paths，用门禁 job 对比上一 v* tag
+  changes:
+    runs-on: ubuntu-latest
+    outputs:
+      desktop: ${{ steps.check.outputs.desktop }}
+    steps:
+      - name: 准备代码
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: 检查 desktop-client 是否有变更
+        id: check
+        run: |
+          CURRENT="${{ github.ref_name }}"
+          PREV=$(git tag -l 'v*' --sort=-v:refname | grep -vxF "$CURRENT" | head -n1 || true)
+          if [ -z "$PREV" ]; then
+            echo "No previous v* tag; will build."
+            echo "desktop=true" >> "$GITHUB_OUTPUT"
+            exit 0
+          fi
+          echo "Comparing $PREV..$GITHUB_SHA for desktop-client/"
+          if git diff --quiet "$PREV" "$GITHUB_SHA" -- desktop-client/; then
+            echo "No changes in desktop-client/; skip build."
+            echo "desktop=false" >> "$GITHUB_OUTPUT"
+          else
+            echo "desktop-client/ changed; will build."
+            echo "desktop=true" >> "$GITHUB_OUTPUT"
+          fi
+
   build:
+    needs: changes
+    if: needs.changes.outputs.desktop == 'true'
     runs-on: ${{ matrix.os }}
 
     strategy: