diff --git a/package.json b/package.json
index f44da99..273d366 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "ln-bi",
   "private": true,
-  "version": "1.1.2",
+  "version": "1.1.3",
   "type": "module",
   "scripts": {
     "dev": "concurrently -n server,client -c blue,green \"npm run dev:server\" \"npm run dev:client\"",
diff --git a/src/components/Shell.tsx b/src/components/Shell.tsx
index b94d355..fd6a4ee 100644
--- a/src/components/Shell.tsx
+++ b/src/components/Shell.tsx
@@ -1,5 +1,6 @@
 import { useState, useEffect, useMemo, type ComponentType } from 'react';
 import { useAuth } from '../auth/useAuth';
+import { DemoModeProvider } from './Blur';
 
 export interface ModuleConfig {
   id: string;
@@ -44,14 +45,19 @@ export function Shell({ modules }: { modules: ModuleConfig[] }) {
   }, [modules]);
 
   useEffect(() => {
-    // 同步 hash 到当前模块
+    // 同步 hash 到当前模块：使用 replaceState 避免产生多余的 history 记录，
+    // 否则在小程序/webview 环境下首次进入需要点两次返回才能退出
     if (window.location.hash.slice(1) !== activeModule) {
-      window.location.hash = activeModule;
+      const { pathname, search } = window.location;
+      window.history.replaceState(null, '', `${pathname}${search}#${activeModule}`);
     }
   }, [activeModule]);
 
   const switchModule = (id: string) => {
-    window.location.hash = id;
+    if (window.location.hash.slice(1) === id) return;
+    const { pathname, search } = window.location;
+    window.history.replaceState(null, '', `${pathname}${search}#${id}`);
+    setActiveModule(id);
   };
 
   const ActiveComponent = modules.find((m) => m.id === activeModule)?.component ?? modules[0]?.component;
@@ -64,6 +70,7 @@ export function Shell({ modules }: { modules: ModuleConfig[] }) {
   }, [user]);
 
   return (
+    <DemoModeProvider enabled={true}>
     <div className="flex min-h-screen">
       {/* 全局水印 */}
       <div className="fixed inset-0 pointer-events-none z-[9999] overflow-hidden" style={{ opacity: 0.06 }}>
@@ -117,5 +124,6 @@ export function Shell({ modules }: { modules: ModuleConfig[] }) {
         })}
       </nav>
     </div>
+    </DemoModeProvider>
   );
 }