2.0.0 change (#47)

diff --git a/CHANGES.md b/CHANGES.md
index ca84a8a..b1db46c 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -2,6 +2,14 @@
 ==================
 Release Notes.
 
+2.0.0
+------------------
+
+#### Features
+- Support SkyWalking 7.0.0
+- Support set ES user/password
+- Add CI for release
+
 1.1.0
 ------------------