diff --git a/exps/experimental/test-ww-bench.py b/exps/experimental/test-ww-bench.py
index a07dfa0..2a2f988 100644
--- a/exps/experimental/test-ww-bench.py
+++ b/exps/experimental/test-ww-bench.py
@@ -53,7 +53,7 @@ def evaluate(api, weight_dir, data: str):
     config = api.get_net_config(arch_index, data)
     net = get_cell_based_tiny_net(config)
     meta_info = api.query_meta_info_by_index(arch_index, hp='200' if isinstance(api, NASBench201API) else '90')
-    params = meta_info.get_net_param(data, 777)
+    params = meta_info.get_net_param(data, 888 if isinstance(api, NASBench201API) else 777)
     with torch.no_grad():
       net.load_state_dict(params)
       _, summary = weight_watcher.analyze(net, alphas=False)
diff --git a/lib/nas_201_api/api_utils.py b/lib/nas_201_api/api_utils.py
index 428fab1..74fd8c7 100644
--- a/lib/nas_201_api/api_utils.py
+++ b/lib/nas_201_api/api_utils.py
@@ -90,6 +90,10 @@ class NASBenchMetaAPI(metaclass=abc.ABCMeta):
     else: arch_index = -1
     return arch_index
 
+  def query_by_arch(self, arch, hp):
+    # This is to make the current version be compatible with the old version.
+    return self.query_info_str_by_arch(arch, hp)
+
   @abc.abstractmethod
   def reload(self, archive_root: Text = None, index: int = None):
     """Overwrite all information of the 'index'-th architecture in the search space, where the data will be loaded from 'archive_root'.