修改购买mixin

lib/common/utils/sync/sync_product_tool.dart

@@ -179,7 +179,7 @@ abstract class SyncProductTool {
   }) async {
     final app = Get.find<AppControl>();
     final dataBase = app.dataBase;
-    final productDao = dataBase.getProductDao;
+    final productDao = dataBase.getCanteenSpuDao;
     final productList = await productDao.getAll(
       "-1",
       "-1",
@@ -225,7 +225,7 @@ abstract class SyncProductTool {
     if (ObjectUtil.isEmpty(list)) return;
     final app = Get.find<AppControl>();
     final dataBase = app.dataBase;
-    final productDao = dataBase.getProductDao;
+    final productDao = dataBase.getCanteenSpuDao;
     List<CanteenSpuEntity> changeList = [];
     for (final v in list) {
       CanteenSpuEntity item = CanteenSpuEntity(