修复 目录冲突

.github/workflows/568tools_Release.yml

@@ -40,6 +40,7 @@ jobs:
           cp -v -u -r /home/runner/tree/main/* .
           echo '添加 lib 子模块到 release/lib/：'
           rm -r ./lib/
+          git rm --cached lib
           git submodule add -b tools https://github.com/PJ-568/568tools.git ./lib
 
       - name: Generate the sitemap