update changelog for v0.9.1

CHANGELOG.md

@@ -1,23 +1,28 @@
 # Change log for esp-who
 
-## 0.1.0
+## 0.5.0
 Initial commit, esp-who appear in the world.
 - Elementry functions such as image processing and matrix computing
 - Face detection
+- Face recognition
 - Components such as camera
 
-## 0.1.1
-Open coefficients for facial detection
-- Provide interface to generate customized coefficients via `mkmodel` (temporally support linux only, other os coming soon)
-
-## 0.5.0
-Face recognition framework
-- Add face recognition relative framework
-- Provide basic face recognition example
-- Move `esp_facenet` to `esp-face` as submodule
+## 0.6.0
+Display images via Http
+- Add web server for camera and facial recognition
 - Add some documents for API reference and guide
 
-## 0.5.1
-Modify recognition example
-- enroll procedure changes to waiting 3 seconds
-- update readme
+## 0.6.1
+Open source face detection and recognition forward process 
+- Move forward process in the esp-face repository
+- Update readme
+
+## 0.9.0
+Recognition solution for ESP-EYE
+- Support speech wake up
+- Support enrollment face id in flash
+- Bugfix: adjust for AI-Thinker
+
+## 0.9.1
+- Add ip configuration
+- Minor bugfix