1：搜索书籍解决bug

lib/pages/search/controller.dart

@@ -73,7 +73,7 @@ class SearchController extends GetxController {
     // 网路请求
     final result = await LibraryAPI.books(
         page: _page,
-        limit: _limit
+        limit: _limit, categoryId: ''
     );
     // 如果是刷新 清理数据
     if (isRefresh) books.clear();