diff --git a/toolkit/custom_adapter.py b/toolkit/custom_adapter.py
index 26fb7614..540b7a69 100644
--- a/toolkit/custom_adapter.py
+++ b/toolkit/custom_adapter.py
@@ -245,12 +245,13 @@ class CustomAdapter(torch.nn.Module):
     def state_dict(self) -> OrderedDict:
         state_dict = OrderedDict()
         if self.adapter_type == 'photo_maker':
-            if self.train_image_encoder:
+            if self.config.train_image_encoder:
                 state_dict["id_encoder"] = self.vision_encoder.state_dict()
 
             state_dict["fuse_module"] = self.fuse_module.state_dict()
 
             # todo save LoRA
+            return state_dict
         else:
             raise NotImplementedError
 
diff --git a/toolkit/train_tools.py b/toolkit/train_tools.py
index cc18e0fa..b466296b 100644
--- a/toolkit/train_tools.py
+++ b/toolkit/train_tools.py
@@ -788,7 +788,7 @@ def apply_snr_weight(
     offset = 0
     if noise_scheduler.timesteps[0] == 1000:
         offset = 1
-    snr = torch.stack([all_snr[t - offset] for t in timesteps])
+    snr = torch.stack([all_snr[(t - offset).int()] for t in timesteps])
     gamma_over_snr = torch.div(torch.ones_like(snr) * gamma, snr)
     if fixed:
         snr_weight = gamma_over_snr.float().to(loss.device)  # directly using gamma over snr