diff --git a/README.md b/README.md
index a178738..5d1265f 100644
--- a/README.md
+++ b/README.md
@@ -39,7 +39,7 @@ allprojects {
 
 2. 在Module的 **build.gradle** 里面添加引入依赖项
 ```gradle
-implementation 'com.github.jenly1314:kingkeyboard:1.0.2'
+implementation 'com.github.jenly1314:kingkeyboard:1.0.3'
 
 ```
 
@@ -254,7 +254,7 @@ implementation 'com.king.keyboard:kingkeyboard:1.0.0'
 ```
 
 
-更多使用详情，请查看[app](app)中的源码使用示例
+更多使用详情，请查看[app](app)中的源码使用示例或直接查看[API帮助文档](https://jenly1314.github.io/projects/KingKeyboard/doc/)
 
 ### 相关推荐
 
@@ -262,6 +262,9 @@ implementation 'com.king.keyboard:kingkeyboard:1.0.0'
 
 ## 版本记录
 
+#### v1.0.3：2021-10-22
+*  优化细节
+
 #### v1.0.2：2021-9-29 
 *  新增 **KingKeyboard.sendKey(primaryCode: Int)** 方法；（支持通过发送按键的值来控制键盘）
 
diff --git a/app/release/app-release.apk b/app/release/app-release.apk
index 5956595..b9f6e68 100644
Binary files a/app/release/app-release.apk and b/app/release/app-release.apk differ
diff --git a/app/release/output.json b/app/release/output.json
index d74bf02..3c51c7f 100644
--- a/app/release/output.json
+++ b/app/release/output.json
@@ -1 +1 @@
-[{"outputType":{"type":"APK"},"apkData":{"type":"MAIN","splits":[],"versionCode":3,"versionName":"1.0.2","enabled":true,"outputFile":"app-release.apk","fullName":"release","baseName":"release","dirName":""},"path":"app-release.apk","properties":{}}]
\ No newline at end of file
+[{"outputType":{"type":"APK"},"apkData":{"type":"MAIN","splits":[],"versionCode":4,"versionName":"1.0.3","enabled":true,"outputFile":"app-release.apk","fullName":"release","baseName":"release","dirName":""},"path":"app-release.apk","properties":{}}]
\ No newline at end of file
diff --git a/gradle.properties b/gradle.properties
index 6e5c619..64b5ade 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -20,8 +20,8 @@ android.enableJetifier=true
 # Kotlin code style for this project: "official" or "obsolete":
 kotlin.code.style=official
 
-VERSION_NAME=1.0.2
-VERSION_CODE=3
+VERSION_NAME=1.0.3
+VERSION_CODE=4
 GROUP=com.github.jenly1314
 
 POM_DESCRIPTION=KingKeyboard for Android
diff --git a/kingkeyboard/consumer-rules.pro b/kingkeyboard/consumer-rules.pro
index e69de29..78e62ff 100644
--- a/kingkeyboard/consumer-rules.pro
+++ b/kingkeyboard/consumer-rules.pro
@@ -0,0 +1,2 @@
+-keep class com.king.keyboard.** { *; }
+-keep class * extends com.king.keyboard.KingKeyboard
\ No newline at end of file
diff --git a/versions.gradle b/versions.gradle
index 7fd0e06..a432f13 100644
--- a/versions.gradle
+++ b/versions.gradle
@@ -1,7 +1,7 @@
 //App
 def app_version = [:]
-app_version.versionCode = 3
-app_version.versionName = "1.0.2"
+app_version.versionCode = 4
+app_version.versionName = "1.0.3"
 ext.app_version = app_version
 
 //build version