diff --git a/scripts/update.sh b/scripts/update.sh
index f2f3e4c..b223366 100755
--- a/scripts/update.sh
+++ b/scripts/update.sh
@@ -487,6 +487,13 @@ for _svc in tenant-service im-service file-service update-service license-servic
   fi
 done
 
+# 确保 nginx 在运行（一键更新时可能因 --remove-orphans 时序问题导致 nginx 被停掉）
+if ! $_COMPOSE ps --services --filter status=running 2>/dev/null | grep -q "^nginx$"; then
+  info "nginx 未运行，正在启动 ..."
+  $_COMPOSE up -d --no-deps nginx
+  ok "nginx 已启动"
+fi
+
 # ---------------------------------------------------------------------------
 # Step 7 — 等待 tenant-service 健康
 # ---------------------------------------------------------------------------