diff --git a/lang/zh/gklearn/tests/__init__.py b/lang/zh/gklearn/tests/__init__.py
new file mode 100644
index 0000000..be702d9
--- /dev/null
+++ b/lang/zh/gklearn/tests/__init__.py
@@ -0,0 +1,8 @@
+# -*-coding:utf-8 -*-
+"""tests - tests module.
+"""
+
+# info
+__version__ = "0.1"
+__author__ = "Linlin Jia"
+__date__ = "March 2020"