diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7e8d76b9..cb9925fb 100755
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
 ## NEXT
 
+## 4.3.1
+1. Uniform iOS code style.
+2. 更新提issue的模版
+3. fix: 修复6.0 AccessibilityBridge.release()' on a null object reference
+4. [ios] 解决pop传参不能返回的问题
+
 ## 4.3.0
 1. Improve codes in Android. (#1855)
 2. Improve codes (#1856)
diff --git a/README.md b/README.md
index 96696c40..a02d7f6e 100755
--- a/README.md
+++ b/README.md
@@ -6,7 +6,7 @@
 </p>
 
 # Release Note
-## 4.3.0
+## 4.3.1
 
 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: '4.3.0'
+        ref: '4.3.1'
 ```
 
 
diff --git a/README_CN.md b/README_CN.md
index 45e0e504..8f839653 100755
--- a/README_CN.md
+++ b/README_CN.md
@@ -5,7 +5,7 @@
 
 # Release Note
 
-## 4.3.0
+## 4.3.1
 
 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: '4.3.0'
+        ref: '4.3.1'
 ```
 
 # 使用文档
diff --git a/docs/install.md b/docs/install.md
index 23141555..fb6384a3 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: '4.3.0'
+    ref: '4.3.1'
 ```
 
 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
diff --git a/pubspec.yaml b/pubspec.yaml
index e0df19da..763186b5 100755
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,11 +1,12 @@
 name: flutter_boost
 description: A next-generation Flutter-Native hybrid solution. FlutterBoost is a Flutter plugin which enables hybrid integration of Flutter for your existing native apps with minimum efforts.
-version: 3.0.0
+version: 4.3.1
 
 homepage: https://github.com/alibaba/flutter_boost
 
 environment:
-  sdk: '>=2.12.0 <3.0.0'
+  sdk: '>=2.12.0 <4.0.0'
+  flutter: ">=3.0.0"
 
 dependencies:
   flutter: