diff --git a/backend/paper_config.json b/backend/paper_config.json
index e9f3e43..9d0d5a0 100644
--- a/backend/paper_config.json
+++ b/backend/paper_config.json
@@ -1,6 +1,6 @@
 {
   "enabled": true,
-  "enabled_strategies": ["v51_baseline", "v52_8signals", "v53"],
+  "enabled_strategies": ["v53"],
   "initial_balance": 10000,
   "risk_per_trade": 0.02,
   "max_positions": 4,
@@ -10,4 +10,3 @@
     "heavy": 1.5
   }
 }
-
diff --git a/frontend/components/Sidebar.tsx b/frontend/components/Sidebar.tsx
index 6ca0d57..38aa46d 100644
--- a/frontend/components/Sidebar.tsx
+++ b/frontend/components/Sidebar.tsx
@@ -7,17 +7,13 @@ import { useAuth } from "@/lib/auth";
 import {
   LayoutDashboard, Info,
   Menu, X, Zap, LogIn, UserPlus,
-  ChevronLeft, ChevronRight, Activity, LogOut, Crosshair, Monitor, LineChart, Sparkles, Bolt
+  ChevronLeft, ChevronRight, Activity, LogOut, Monitor, LineChart, Bolt
 } from "lucide-react";
 
 const navItems = [
   { href: "/", label: "仪表盘", icon: LayoutDashboard },
   { href: "/trades", label: "成交流", icon: Activity },
   { href: "/live", label: "⚡ 实盘交易", icon: Bolt, section: "── 实盘 ──" },
-  { href: "/signals", label: "V5.1 信号引擎", icon: Crosshair, section: "── V5.1 ──" },
-  { href: "/paper", label: "V5.1 模拟盘", icon: LineChart },
-  { href: "/signals-v52", label: "V5.2 信号引擎", icon: Sparkles, section: "── V5.2 ──" },
-  { href: "/paper-v52", label: "V5.2 模拟盘", icon: LineChart },
   { href: "/signals-v53", label: "V5.3 信号引擎", icon: Zap, section: "── V5.3 ──" },
   { href: "/paper-v53", label: "V5.3 模拟盘", icon: LineChart },
   { href: "/server", label: "服务器", icon: Monitor },