diff --git a/CHANGELOG b/CHANGELOG
index fd16b96ca..9a886b633 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,6 @@
+2018-10-16 Version: 1.27.11
+1, remove set group tags API.
+
 2018-10-13 Version: 1.27.10
 1, Add device group related APIs.
 
diff --git a/VERSION b/VERSION
index 7b88bc3c1..e707acba6 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.27.10
\ No newline at end of file
+1.27.11
\ No newline at end of file