当设备未连接时，各页面默认显示英文语言的文本，并在标题追加 (Disconnect)

client/src/App.tsx

@@ -12,8 +12,6 @@ import NotFound from "./pages/NotFound";
 import Dashboard from "./pages/Dashboard";
 import AudioPage from "./pages/AudioPage";
 import BluetoothPage from "./pages/BluetoothPage";
-import DspPage from "./pages/DspPage";
-import DisplayPage from "./pages/DisplayPage";
 import SystemPage from "./pages/SystemPage";
 import IOPage from "./pages/IOPage";
 import VUPage from "./pages/VUPage";
@@ -64,8 +62,6 @@ function AppRouter() {
       <Route path="/eq" component={EQPageRoute} />
       <Route path="/effects" component={EffectsPageRoute} />
       <Route path="/bluetooth" component={BluetoothPage} />
-      <Route path="/dsp" component={DspPage} />
-      <Route path="/display" component={DisplayPage} />
       <Route path="/system" component={SystemPage} />
       <Route path="/io" component={IOPage} />
       <Route path="/vu" component={VUPage} />