修复bug

client/src/pages/Home.tsx

@@ -22,7 +22,12 @@ import {
   AlertDialogHeader,
   AlertDialogTitle,
 } from "@/components/ui/alert-dialog";
-import { INPUT_LABELS, isHomeVolumeLockedByPassthrough, OUTPUT_LABELS } from "@/lib/luxsinApi";
+import {
+  INPUT_BLUETOOTH_INDEX,
+  INPUT_LABELS,
+  isHomeVolumeLockedByPassthrough,
+  OUTPUT_LABELS,
+} from "@/lib/luxsinApi";
 import { cn } from "@/lib/utils";
 import {
   ChevronRight,
@@ -164,7 +169,7 @@ function ListRow({
 }
 
 export default function Home() {
-  const { isConnected, deviceState, setVolume, updateSetting, api, disconnect, isDemoMode, ip } = useDevice();
+  const { isConnected, deviceState, setVolume, updateSetting, api, isDemoMode, ip } = useDevice();
   const [, setLocation] = useLocation();
   const powerActionRef = useRef(false);
   const hpEqLastTapRef = useRef<number | null>(null);
@@ -232,24 +237,18 @@ export default function Home() {
     if (powerActionRef.current) return;
     powerActionRef.current = true;
     try {
-      if (isDemoMode) {
-        toast.info(homeText.powerOffToastDemo ?? "演示模式：已断开与设备的连接");
-        disconnect();
-        return;
-      }
-      if (api) {
+      if (!isDemoMode && api) {
         try {
           await api.powerOff();
         } catch {
-          // 设备可能已掉线或未返回响应，仍断开本地会话
+          // 设备关机后可能已无响应，仍保留当前页面与连接状态
         }
       }
-      disconnect();
       toast.success(homeText.powerOffToastSent ?? "已发送关机指令");
     } finally {
       powerActionRef.current = false;
     }
-  }, [api, disconnect, isDemoMode, homeText]);
+  }, [api, isDemoMode, homeText]);
 
   /** HP-EQ 圆钮：单击在短延迟后切换 peqEnable（避免与双击抢）；280ms 内第二次点击则取消开关并进入 /eq */
   const HP_EQ_DOUBLE_CLICK_MS = 280;
@@ -779,8 +778,8 @@ export default function Home() {
           </button>
         </div>
 
-        {/* Bluetooth info */}
-        {ds.bt_status !== 0 && (
+        {/* Bluetooth info — only when input source is Bluetooth */}
+        {ds.input === INPUT_BLUETOOTH_INDEX && ds.bt_status !== 0 && (
           <div className="mt-3 px-3 py-3 text-center">
             <div className="flex items-center justify-center gap-1.5 mb-1">
               <Bluetooth size={14} className="text-[#00FFF6]" />