diff --git a/federatedscope/core/configs/cfg_model.py b/federatedscope/core/configs/cfg_model.py
index 9737f4f..cdc954e 100644
--- a/federatedscope/core/configs/cfg_model.py
+++ b/federatedscope/core/configs/cfg_model.py
@@ -62,6 +62,8 @@ def extend_model_cfg(cfg):
     cfg.model.cheb_order = 1 # A tuple, e.g., (in_channel, h, w)
     cfg.model.use_day = True
     cfg.model.use_week = True
+    cfg.model.minigraph_size = 5
+    cfg.model.use_minigraph = False
 
 
     # ---------------------------------------------------------------------- #