diff --git a/data_process/data_process.ipynb b/data_process/data_process.ipynb
index 449e4d61b..485f3e37c 100644
--- a/data_process/data_process.ipynb
+++ b/data_process/data_process.ipynb
@@ -36,7 +36,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 14,
+   "execution_count": 4,
    "id": "335bf1ae",
    "metadata": {},
    "outputs": [],
@@ -47,7 +47,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 15,
+   "execution_count": 12,
    "id": "b8fe5313",
    "metadata": {},
    "outputs": [],
@@ -61,7 +61,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 17,
+   "execution_count": 13,
    "id": "101e48e9",
    "metadata": {},
    "outputs": [],
@@ -74,7 +74,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 18,
+   "execution_count": 14,
    "id": "6edd8ee3",
    "metadata": {},
    "outputs": [],
@@ -88,7 +88,18 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 19,
+   "execution_count": 15,
+   "id": "6c24ffe6",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "img_height = content['images'][0]['height']\n",
+    "img_width = content['images'][0]['height']"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 16,
    "id": "a9923894",
    "metadata": {},
    "outputs": [],
@@ -97,8 +108,8 @@
     "for label_info in content['annotations']:\n",
     "    img_name = dict_id2img[label_info['image_id']]\n",
     "    class_name = label_info['category_id']\n",
-    "    x_center = (label_info['bbox'][0] + label_info['bbox'][2] / 2) / 640\n",
-    "    y_center = (label_info['bbox'][1] + label_info['bbox'][3] / 2) / 640\n",
+    "    x_center = (label_info['bbox'][0] + label_info['bbox'][2] / 2) / img_height\n",
+    "    y_center = (label_info['bbox'][1] + label_info['bbox'][3] / 2) / img_width\n",
     "    w = label_info['bbox'][1] / 640\n",
     "    h = label_info['bbox'][3] / 640\n",
     "    with open(os.path.join(img_folder.replace(\"images\", \"labels\"), img_name.replace(\".jpg\", \".txt\")), 'a') as f:\n",