diff --git a/ch02/04_bonus_dataloader-intuition/dataloader-intuition.ipynb b/ch02/04_bonus_dataloader-intuition/dataloader-intuition.ipynb
index 78453ff..ea1b2d4 100644
--- a/ch02/04_bonus_dataloader-intuition/dataloader-intuition.ipynb
+++ b/ch02/04_bonus_dataloader-intuition/dataloader-intuition.ipynb
@@ -111,7 +111,25 @@
     "        return len(self.input_ids)\n",
     "\n",
     "    def __getitem__(self, idx):\n",
-    "        return self.input_ids[idx], self.target_ids[idx]"
+    "        return self.input_ids[idx], self.target_ids[idx]\n",
+    "\n",
+    "def create_dataloader_v1(txt, batch_size=4, max_length=256, stride=128, shuffle=True, drop_last=True, num_workers=0):\n",
+    "    # 初始化tokenizer(在这个例子中不需要真正的tokenizer,设为None)\n",
+    "    tokenizer = None\n",
+    "\n",
+    "    # 创建dataset\n",
+    "    dataset = GPTDatasetV1(txt, tokenizer, max_length, stride)\n",
+    "\n",
+    "    # 创建dataloader\n",
+    "    dataloader = DataLoader(\n",
+    "        dataset,\n",
+    "        batch_size=batch_size,\n",
+    "        shuffle=shuffle,\n",
+    "        drop_last=drop_last,\n",
+    "        num_workers=num_workers\n",
+    "    )\n",
+    "\n",
+    "    return dataloader"
    ]
   },
   {