diff --git a/lang/zh/notebooks/libs.py b/lang/zh/notebooks/libs.py
new file mode 100644
index 0000000..55d6d25
--- /dev/null
+++ b/lang/zh/notebooks/libs.py
@@ -0,0 +1,8 @@
+import sys
+import pathlib
+sys.path.insert(0, "../")
+
+import numpy as np
+
+from gklearn.utils.model_selection_precomputed import model_selection_for_precomputed_kernel
+from datasets.ds import dslist
\ No newline at end of file