优化任务列表性能和本地登录代理

web/frontend/src/pages/DouyuTasksPage.tsx

@@ -302,6 +302,7 @@ export default function DouyuTasksPage({ handbook }: { handbook: HandbookKind })
     const v = Number(localStorage.getItem('douyu_task_account_page_size'));
     return [10, 20, 50, 100].includes(v) ? v : 20;
   });
+  const tasksLoadingRef = useRef(false);
 
   const [importOpen, setImportOpen] = useState(false);
   const [importPool, setImportPool] = useState<DouyuTaskAccountItem[]>([]);
@@ -507,6 +508,8 @@ export default function DouyuTasksPage({ handbook }: { handbook: HandbookKind })
   }, [canConfig, isEsportsHandbook, workbenchIds]);
 
   const loadTasks = useCallback(async () => {
+    if (tasksLoadingRef.current) return;
+    tasksLoadingRef.current = true;
     try {
       const data = await douyuApi.listTasks();
       setTasks(data);
@@ -516,6 +519,8 @@ export default function DouyuTasksPage({ handbook }: { handbook: HandbookKind })
       }
     } catch {
       // 轮询失败不打扰操作
+    } finally {
+      tasksLoadingRef.current = false;
     }
   }, []);