fix: empty data

src/pages/Server.tsx

@@ -58,24 +58,24 @@ export default function Servers() {
   }
 
   // 计算所有服务器的统计数据（用于 Overview）
-  const totalServers = nezhaWsData.servers.length;
-  const onlineServers = nezhaWsData.servers.filter(
+  const totalServers = nezhaWsData?.servers?.length || 0;
+  const onlineServers = nezhaWsData?.servers?.filter(
     (server) => formatNezhaInfo(server).online,
-  ).length;
-  const offlineServers = nezhaWsData.servers.filter(
+  )?.length || 0;
+  const offlineServers = nezhaWsData?.servers?.filter(
     (server) => !formatNezhaInfo(server).online,
-  ).length;
-  const up = nezhaWsData.servers.reduce(
+  )?.length || 0;
+  const up = nezhaWsData?.servers?.reduce(
     (total, server) => total + server.state.net_out_transfer,
     0,
-  );
-  const down = nezhaWsData.servers.reduce(
+  ) || 0;
+  const down = nezhaWsData?.servers?.reduce(
     (total, server) => total + server.state.net_in_transfer,
     0,
-  );
+  ) || 0;
 
   // 根据当前选中的分组筛选服务器（用于显示列表）
-  const filteredServers = nezhaWsData.servers.filter((server) => {
+  const filteredServers = nezhaWsData?.servers?.filter((server) => {
     if (currentGroup === "All") return true;
     const group = groupData?.data?.find(
       (g: ServerGroup) =>
@@ -84,7 +84,7 @@ export default function Servers() {
         g.servers.includes(server.id),
     );
     return !!group;
-  });
+  }) || [];
 
   return (
     <div className="mx-auto w-full max-w-5xl px-0">