diff --git a/.gitignore b/.gitignore
index 6f18569..8a95c35 100644
--- a/.gitignore
+++ b/.gitignore
@@ -104,6 +104,7 @@ venv.bak/
 .mypy_cache/
 
 # other
+wandb/
 .idea/
 runs/
 .vscode/
diff --git a/pts/trainer.py b/pts/trainer.py
index 1585de4..44a06fa 100644
--- a/pts/trainer.py
+++ b/pts/trainer.py
@@ -2,6 +2,7 @@ import time
 from typing import List, Optional, Union
 
 from tqdm import tqdm
+import wandb
 
 import torch
 import torch.nn as nn
@@ -20,6 +21,7 @@ class Trainer:
         learning_rate: float = 1e-3,
         weight_decay: float = 1e-6,
         device: Optional[Union[torch.device, str]] = None,
+        **kwargs,
     ) -> None:
         self.epochs = epochs
         self.batch_size = batch_size
@@ -27,6 +29,7 @@ class Trainer:
         self.learning_rate = learning_rate
         self.weight_decay = weight_decay
         self.device = device
+        wandb.init(**kwargs)
 
     def __call__(
         self,
@@ -34,6 +37,8 @@ class Trainer:
         train_iter: DataLoader,
         validation_iter: Optional[DataLoader] = None,
     ) -> None:
+        wandb.watch(net, log="all", log_freq=self.num_batches_per_epoch)
+
         optimizer = torch.optim.Adam(
             net.parameters(), lr=self.learning_rate, weight_decay=self.weight_decay
         )
@@ -62,17 +67,12 @@ class Trainer:
                         },
                         refresh=False,
                     )
-                    n_iter = epoch_no * self.num_batches_per_epoch + batch_no
-                    # .add_scalar("Loss/train", loss.item(), n_iter)
+                    wandb.log({"loss": loss.item()})
 
                     loss.backward()
                     optimizer.step()
 
                     if self.num_batches_per_epoch == batch_no:
-                        # for name, param in net.named_parameters():
-                        #     writer.add_histogram(
-                        #         name, param.clone().cpu().data.numpy(), n_iter
-                        #     )
                         break
 
             # mark epoch end time and log time cost of current epoch
diff --git a/setup.py b/setup.py
index 06b71dc..0afc123 100644
--- a/setup.py
+++ b/setup.py
@@ -26,6 +26,7 @@ setup(
         'pydantic',
         'matplotlib',
         'tensorboard',
+        'wandb',
     ],
 
     test_suite='tests',