diff --git a/build.js b/build.js
index e7e3a25..b09b785 100644
--- a/build.js
+++ b/build.js
@@ -25,8 +25,35 @@ function copyDir(srcDir, destDir) {
   }
 }
 
+/** 清空目录内容（不删目录本身），避免 EPERM（如宝塔 wwwroot 下 dist 无法 rmSync） */
+function emptyDir(dir) {
+  if (!fs.existsSync(dir)) return;
+  for (const name of fs.readdirSync(dir)) {
+    const p = path.join(dir, name);
+    try {
+      if (fs.statSync(p).isDirectory()) {
+        fs.rmSync(p, { recursive: true });
+      } else {
+        fs.unlinkSync(p);
+      }
+    } catch (e) {
+      if (e.code !== 'EPERM' && e.code !== 'EACCES') throw e;
+    }
+  }
+}
+
 function main() {
-  if (fs.existsSync(DIST)) fs.rmSync(DIST, { recursive: true });
+  if (fs.existsSync(DIST)) {
+    try {
+      fs.rmSync(DIST, { recursive: true });
+    } catch (e) {
+      if (e.code === 'EPERM' || e.code === 'EACCES') {
+        emptyDir(DIST);
+      } else {
+        throw e;
+      }
+    }
+  }
   fs.mkdirSync(DIST, { recursive: true });
 
   copyFile(path.join(ROOT, 'index.html'), path.join(DIST, 'index.html'));
diff --git a/check-nginx-and-api.sh b/check-nginx-and-api.sh
new file mode 100644
index 0000000..6aff5d3
--- /dev/null
+++ b/check-nginx-and-api.sh
@@ -0,0 +1,81 @@
+#!/usr/bin/env bash
+# 检查 Nginx 反代配置与本地 API（5599）是否正常
+# 在服务器上执行: ./check-nginx-and-api.sh [Nginx站点配置路径]
+# 例: ./check-nginx-and-api.sh /www/server/panel/vhost/nginx/view.airtep.com.conf
+
+PORT="${PORT:-5599}"
+NGINX_CONF="${1:-}"
+
+echo "========== 1. 检查 API 是否监听并响应 =========="
+if command -v ss >/dev/null 2>&1; then
+  if ss -tlnp 2>/dev/null | grep -q ":$PORT "; then
+    echo "端口 ${PORT} 已在监听。"
+  else
+    echo "端口 ${PORT} 未在监听，请先执行: ./start-api.sh 或 ./run.sh"
+  fi
+fi
+
+echo ""
+echo "---------- curl http://127.0.0.1:${PORT}/config ----------"
+if command -v curl >/dev/null 2>&1; then
+  code=$(curl -s -o /tmp/check-api-config.txt -w "%{http_code}" "http://127.0.0.1:${PORT}/config" 2>/dev/null)
+  echo "HTTP 状态码: $code"
+  if [ "$code" = "200" ]; then
+    echo "响应内容: $(cat /tmp/check-api-config.txt 2>/dev/null | head -c 200)"
+    echo ""
+    echo "[OK] 本机 API 正常。"
+  else
+    echo "[失败] 本机 API 未返回 200，请启动后端: ./start-api.sh"
+  fi
+  rm -f /tmp/check-api-config.txt
+else
+  echo "未安装 curl，跳过。"
+fi
+
+echo ""
+echo "========== 2. 检查 Nginx 反代配置 =========="
+if [ -z "$NGINX_CONF" ]; then
+  echo "未传入 Nginx 配置路径。用法: $0 /www/server/panel/vhost/nginx/view.airtep.com.conf"
+  echo "请确认站点配置中包含："
+  echo "  location /api {"
+  echo "      proxy_pass http://127.0.0.1:5599/;   # 末尾必须有 /，且建议用 127.0.0.1 不用 localhost"
+  echo "      ..."
+  echo "  }"
+  exit 0
+fi
+
+if [ ! -f "$NGINX_CONF" ]; then
+  echo "文件不存在: $NGINX_CONF"
+  exit 1
+fi
+
+echo "配置文件: $NGINX_CONF"
+echo ""
+if grep -q "location /api" "$NGINX_CONF"; then
+  echo "--- location /api 片段 ---"
+  sed -n '/location \/api/,/^[[:space:]]*}/p' "$NGINX_CONF" | head -15
+  if grep -A1 "location /api" "$NGINX_CONF" | grep -q "proxy_pass http://127.0.0.1:5599/"; then
+    echo ""
+    echo "[OK] proxy_pass 为 http://127.0.0.1:5599/（正确）。"
+  elif grep -A1 "location /api" "$NGINX_CONF" | grep -q "proxy_pass.*5599"; then
+    echo ""
+    echo "[注意] 请将 proxy_pass 改为: http://127.0.0.1:5599/  （末尾加 /，并用 127.0.0.1）"
+  else
+    echo ""
+    echo "[注意] 未找到 proxy_pass 到 5599，请检查配置。"
+  fi
+else
+  echo "[失败] 未找到 location /api，请添加反代到 5599。"
+fi
+
+echo ""
+echo "========== 3. 测试经 Nginx 访问 /api/config（本机）==========="
+if command -v curl >/dev/null 2>&1; then
+  code_nginx=$(curl -s -o /dev/null -w "%{http_code}" "http://127.0.0.1/api/config" -H "Host: view.airtep.com" 2>/dev/null)
+  echo "curl -H Host:view.airtep.com http://127.0.0.1/api/config => HTTP $code_nginx"
+  if [ "$code_nginx" = "200" ]; then
+    echo "[OK] 经 Nginx 反代访问 /api/config 正常。"
+  else
+    echo "[注意] 经 Nginx 返回 $code_nginx，请检查 Nginx 配置并重载: nginx -t && nginx -s reload"
+  fi
+fi