fix: enhance pagination settings across multiple pages with default size and options

apps/admin/src/pages/OperationLogs/index.tsx

@@ -26,13 +26,14 @@ const OperationLogsPage: React.FC = () => {
   const [total, setTotal] = useState(0);
   const [loading, setLoading] = useState(false);
   const [page, setPage] = useState(1);
+  const [pageSize, setPageSize] = useState(20);
   const [filterModule, setFilterModule] = useState<string | undefined>();
   const [dateRange, setDateRange] = useState<[string, string] | null>(null);
 
   const fetchData = useCallback(async () => {
     setLoading(true);
     try {
-      const params: any = { page, pageSize: 20 };
+      const params: any = { page, pageSize };
       if (filterModule) params.module = filterModule;
       if (dateRange) {
         params.startDate = dateRange[0];
@@ -46,7 +47,7 @@ const OperationLogsPage: React.FC = () => {
       message.error(err?.message || '加载失败，请稍后重试');
     }
     setLoading(false);
-  }, [page, filterModule, dateRange]);
+  }, [page, pageSize, filterModule, dateRange]);
 
   useEffect(() => {
     fetchData();
@@ -159,8 +160,13 @@ const OperationLogsPage: React.FC = () => {
         pagination={{
           current: page,
           total,
-          pageSize: 20,
-          onChange: setPage,
+          pageSize,
+          showSizeChanger: true,
+          pageSizeOptions: [20, 50, 100],
+          onChange: (nextPage, nextPageSize) => {
+            setPage(nextPage);
+            setPageSize(nextPageSize);
+          },
           showTotal: (t) => `共 ${t} 条`,
         }}
       />