docs(changelog): 📝 update changelog

Author: MerleLiuKun

CHANGELOG.md

@@ -2,13 +2,23 @@
 
 All notable changes to this project will be documented in this file.
 
+## [0.7.9](https://github.com/sns-sdks/python-twitter/v0.7.9) (2021-09-20)
+
+### Features
+
+- Improve streaming api
+
+### Fix
+
+- Fix set error token after generate access token.
+
+
 ## [0.7.8](https://github.com/sns-sdks/python-twitter/v0.7.8) (2021-07-22)
 
 ### Features
 
 - Support new query fields for get list tweets [#117](https://github.com/sns-sdks/python-twitter/issues/117)
 
-
 ## [0.7.7](https://github.com/sns-sdks/python-twitter/v0.7.7) (2021-05-23)
 
 ### Features