diff --git a/.vscode/launch.json b/.vscode/launch.json
index 56747ee..f191eb4 100644
--- a/.vscode/launch.json
+++ b/.vscode/launch.json
@@ -4,23 +4,15 @@
     // 欲了解更多信息，请访问: https://go.microsoft.com/fwlink/?linkid=830387
     "version": "0.2.0",
     "configurations": [
-        {
-            "name": "Python: lit train",
-            "type": "python",
-            "request": "launch",
-            "program": "lit_train.py",
-            "args": [],
-            "console": "integratedTerminal",
-            "justMyCode": true
-        },
         {
             "name": "Python: generate",
-            "type": "python",
+            "type": "debugpy",
             "request": "launch",
-            "program": "generate.py",
+            "program": "${file}",
             "args": [],
+            "cwd": "${fileDirname}",
             "console": "integratedTerminal",
-            "justMyCode": true
+            "justMyCode": false
         }
     ]
 }
\ No newline at end of file
diff --git a/lit_train.py b/lit_train.py
index 9a5968c..9a9b3bd 100644
--- a/lit_train.py
+++ b/lit_train.py
@@ -106,13 +106,13 @@ def parse_args():
         "--train_batch_size",
         type=int,
         help="Batch size of training",
-        default=8,
+        default=2,
     )
     parser.add_argument(
         "--val_batch_size",
         type=int,
         help="Batch size of validating",
-        default=16,
+        default=2,
     )
     parser.add_argument(
         "--accumulate_grad_batches",
@@ -124,7 +124,7 @@ def parse_args():
         "--num_proc",
         type=str,
         help="Number of data processes",
-        default=16,
+        default=1,
     )
     parser.add_argument(
         "--max_epochs",
@@ -136,7 +136,7 @@ def parse_args():
         "--strategy",
         type=str,
         help="Name of pytorch lightning distribution strategy",
-        default='fsdp',
+        default='ddp',
     )
     parser.add_argument(
         "--resume_from_ckpt_path",
@@ -197,8 +197,11 @@ if __name__ == '__main__':
         persistent_workers=True,
     )
 
+    ne = next(train_dataloader._get_iterator())
+    print((ne["input_ids"]-ne["labels"]).numpy().tolist())
+
     # trainer
-    apply_all_patches()
+    # apply_all_patches()
     torch.set_float32_matmul_precision('medium')
     if args.bf16:
         precision = 'bf16-mixed'