Update release-auto-commit.yml

.github/workflows/release-auto-commit.yml

@@ -19,13 +19,8 @@ jobs:
       - name: Get previous release tag
         id: prev_tag
         run: |
-          # 若没有历史 Release，默认取仓库第一个 Commit 并标记为初始版本
           PREV_TAG=$(git describe --tags --abbrev=0 HEAD^ 2>/dev/null || git rev-list --max-parents=0 HEAD)
-          # 若为首次 Release（PREV_TAG 是 Commit 哈希而非标签），显式标记为初始版本
-          if ! git tag --list | grep -q "^$PREV_TAG$"; then
-            PREV_TAG="initial-commit"
-          fi
-          echo "prev_tag=$PREV_TAG" >> $GITHUB_OUTPUT
+          echo "prev_tag=${PREV_TAG}" >> $GITHUB_OUTPUT
 
       # 3. 生成当前 Release 与上一个版本间的 Commit 记录（格式：哈希 + 标题）
       - name: Generate commit log