diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1b101d39..ea7ac174 100755
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,16 @@
 ## NEXT
 
+## 4.2.1
+1. Add hero animation demo. (#1756)
+2. [ios] Fixes the warning that the license file does not exist (#1759)
+3. 处理 pushReplacement 泛型转换错误 (#1758)
+4. 更新授权许可链接 (#1754)
+5. fix(FlutterTextureHooker):设置setSurfaceTexture异常问题 (#1774)
+6. 为半透明弹窗增加PlatformView场景 (#1799)
+7. 开放FlutterBoostAppState中的_containers (#1800)
+8. 修复部分push场景与该手势可能冲突导致触发了两次pop
+9. [Android] 解决FlutterBoostFragment切换时可能闪现上一个页面的问题 (#1807)
+
 ## 4.2.0
 1. [Android] Fixes HybridCompositon does not work (#1743)
 2. Add pigeon commands to script file. (#1744)
diff --git a/README.md b/README.md
index 857d858b..a1bf6d12 100755
--- a/README.md
+++ b/README.md
@@ -6,7 +6,7 @@
 </p>
 
 # Release Note
-## 4.2.0
+## 4.2.1
 
 PS：Null-safety is already supported.
 
@@ -41,7 +41,7 @@ Open you pubspec.yaml and add the following line to dependencies:
 flutter_boost:
     git:
         url: 'https://github.com/alibaba/flutter_boost.git'
-        ref: '4.2.0'
+        ref: '4.2.1'
 ```
 
 
diff --git a/README_CN.md b/README_CN.md
index 8a9a2a9b..28537dad 100755
--- a/README_CN.md
+++ b/README_CN.md
@@ -5,7 +5,7 @@
 
 # Release Note
 
-## 4.2.0
+## 4.2.1
 
 PS：主线已支持空安全(null-safety)
 
@@ -40,7 +40,7 @@ PS：主线已支持空安全(null-safety)
 flutter_boost:
     git:
         url: 'https://github.com/alibaba/flutter_boost.git'
-        ref: '4.2.0'
+        ref: '4.2.1'
 ```
 
 # 使用文档
diff --git a/docs/install.md b/docs/install.md
index 9c2116c0..1cbb085e 100755
--- a/docs/install.md
+++ b/docs/install.md
@@ -18,7 +18,7 @@
 flutter_boost:
   git:
     url: 'https://github.com/alibaba/flutter_boost.git'
-    ref: '4.2.0'
+    ref: '4.2.1'
 ```
 
 之后在flutter工程下运行`flutter pub get` dart端就集成完毕了，然后可以在dart端放上一些代码,以下代码基于example3.0