update workflow

.github/workflows/deploy-public.yml

@@ -94,7 +94,18 @@ jobs:
             git checkout public --
             git reset --soft origin/public
             rm -rf ./*
+            
+            # 确保 public 目录存在
+            if [ ! -d "public" ]; then
+              echo "Error: public directory not found"
+              echo "Current directory contents:"
+              ls -la
+              exit 1
+            fi
+            
+            # 复制文件
             cp -r public/* .
+            
             git add .
             
             if git diff --staged --quiet; then