diff --git a/.github/workflows/deploy-public.yml b/.github/workflows/deploy-public.yml
index 888a4be..d1e837c 100644
--- a/.github/workflows/deploy-public.yml
+++ b/.github/workflows/deploy-public.yml
@@ -89,17 +89,22 @@ jobs:
             git commit -m "Initial public branch from main ${COMMIT_HASH}"
             git push origin public
           else
-            # 保存构建产物到临时目录
-            mv public temp_public
+            # 1. 确保临时目录存在
+            mkdir -p temp_public
             
-            # 更新现有 public 分支
+            # 2. 保存构建产物
+            cp -r public/* temp_public/
+            
+            # 3. 切换分支
             git fetch origin public
             git checkout public
             git reset --soft origin/public
             
-            # 清理并复制文件
-            rm -rf ./*
-            mv temp_public/* .
+            # 4. 清理当前目录（保留 .git）
+            find . -mindepth 1 -maxdepth 1 ! -name '.git' -exec rm -rf {} +
+            
+            # 5. 恢复构建产物
+            cp -r temp_public/* .
             rm -rf temp_public
             
             git add .