diff --git a/feature_test/split_exp.py b/feature_test/split_exp.py
new file mode 100644
index 0000000..6a1e8c4
--- /dev/null
+++ b/feature_test/split_exp.py
@@ -0,0 +1,9 @@
+# -*- coding: utf-8 -*-
+# @Time    : 2024/1/18 下午11:09
+# @Author  : sudoskys
+# @File    : split_exp.py
+
+method = "ass2srt"
+sub_key, key = method.split("2", maxsplit=1)
+
+print(sub_key, key)