diff --git a/go1/internvl/model/go1/configuration_go1.py b/go1/internvl/model/go1/configuration_go1.py
index 9777311..18ab76a 100644
--- a/go1/internvl/model/go1/configuration_go1.py
+++ b/go1/internvl/model/go1/configuration_go1.py
@@ -97,6 +97,7 @@ def __init__(
         self.norm = norm
         self.latent_planning = latent_planning
         self.action_chunk_size = self.action_config.action_chunk_size
+        self.initializer_range = 0.02
 
     def to_dict(self):
         """