diff --git a/README.md b/README.md
index 9dd402d..4626e76 100644
--- a/README.md
+++ b/README.md
@@ -14,6 +14,7 @@
 [![PyPI-Downloads](https://img.shields.io/pypi/dm/pywxdump)](https://pypistats.org/packages/pywxdump)
 [![GitHub license](https://img.shields.io/pypi/l/pywxdump)](https://github.com/xaoyaoo/PyWxDump/blob/master/LICENSE)
 
+V3.0.0 有很多bug，如果你有问题，请使用V2.4.71版本，或者等待V3.0.1版本（发现bug请提交issue）
 
 * Welcome to provide more ideas or code to improve this project together.
 
diff --git a/pywxdump/api/api.py b/pywxdump/api/api.py
index 3442323..5b6b765 100644
--- a/pywxdump/api/api.py
+++ b/pywxdump/api/api.py
@@ -529,6 +529,8 @@ def export():
     end_time = request.json.get("end_time", 0)
     chat_type = request.json.get("chat_type")
     username = request.json.get("username")
+
+
     wx_path = request.json.get("wx_path", read_session(g.sf, "wx_path"))
     key = request.json.get("key", read_session(g.sf, "key"))