diff --git a/lib/Download_data.py b/lib/Download_data.py
index ed7c929..ecee0db 100755
--- a/lib/Download_data.py
+++ b/lib/Download_data.py
@@ -7,7 +7,6 @@ from tqdm import tqdm
 
 # 定义文件完整性信息的字典
 
-
 def check_and_download_data():
     """
     检查 data 文件夹的完整性，并根据缺失文件类型下载相应数据。
@@ -74,7 +73,7 @@ def download_adj_data(current_dir, max_retries=3):
     下载并解压 adj.zip 文件，并显示下载进度条。
     如果下载失败，最多重试 max_retries 次。
     """
-    url = "https://code.zhang-heng.com/static/adj.zip"
+    url = "http://code.zhang-heng.com/static/adj.zip"
     retries = 0
 
     while retries <= max_retries:
diff --git a/requirements.txt b/requirements.txt
index 313c036..6f83511 100755
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,4 +8,5 @@ torchvision
 torchaudio
 torchdiffeq
 fastdtw
-notebook
\ No newline at end of file
+notebook
+torchcde
\ No newline at end of file