diff --git a/frontend/components/Sidebar.tsx b/frontend/components/Sidebar.tsx
index 9aa0005..ddff7a9 100644
--- a/frontend/components/Sidebar.tsx
+++ b/frontend/components/Sidebar.tsx
@@ -13,7 +13,7 @@ import {
 const navItems = [
   { href: "/", label: "仪表盘", icon: LayoutDashboard },
   { href: "/trades", label: "成交流", icon: Activity },
-  { href: "/signals", label: "信号引擎", icon: Crosshair },
+  { href: "/signals", label: "信号引擎 V5.1", icon: Crosshair },
   { href: "/server", label: "服务器", icon: Monitor },
   { href: "/about", label: "说明", icon: Info },
 ];