diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6bddc59..bb2b7b2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 2.0.0
+
+1.Refactor mobile sdk, server sdk (2022-2-21)
+
 ## 1.1.1
 
 1.Update sdk maven url
diff --git a/android/build.gradle b/android/build.gradle
index 974d6f7..7babfb6 100644
--- a/android/build.gradle
+++ b/android/build.gradle
@@ -41,5 +41,5 @@ android {
     }
 }
 dependencies {
-    implementation 'io.openim:client-sdk:1.6.1@aar'
+    implementation 'io.openim:client-sdk:2.0.0@aar'
 }
\ No newline at end of file
diff --git a/pubspec.yaml b/pubspec.yaml
index a88c16e..33f8294 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,6 +1,6 @@
 name: flutter_openim_sdk
 description: An instant messaging plug-in that supports Android and IOS. And the server is also all open source.
-version: 1.1.1
+version: 2.0.0
 homepage: https://www.rentsoft.cn
 repository: https://github.com/OpenIMSDK/Open-IM-SDK-Flutter