元旦节皮肤

client/src/contexts/DeviceContext.tsx

@@ -58,6 +58,8 @@ export function DeviceProvider({ children }: { children: React.ReactNode }) {
   const [api, setApi] = useState<LuxsinAPI | null>(null);
   const lastMsgCountRef = useRef<number>(-1);
   const pollIntervalRef = useRef<ReturnType<typeof setInterval> | null>(null);
+  /** 轮询重入保护：上一轮未 settle（如断网挂起至超时）则跳过本轮，避免挂起请求堆叠。 */
+  const pollInFlightRef = useRef(false);
   const autoConnectStartedRef = useRef(false);
 
   const setDeviceIp = useCallback((newIp: string) => {
@@ -260,6 +262,8 @@ export function DeviceProvider({ children }: { children: React.ReactNode }) {
     if (!isConnected || isDemoMode || !api) return;
 
     const poll = async () => {
+      if (pollInFlightRef.current) return;
+      pollInFlightRef.current = true;
       try {
         const count = await api.getMsgCount();
         if (count !== lastMsgCountRef.current) {
@@ -270,6 +274,8 @@ export function DeviceProvider({ children }: { children: React.ReactNode }) {
         }
       } catch {
         // Silently fail polling
+      } finally {
+        pollInFlightRef.current = false;
       }
     };