diff --git a/CHANGELOG.md b/CHANGELOG.md
index 577338c..57ea79b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,36 @@
+## v4.8.1
+1. 功能优化。
+
+## v4.8.0
+1. 缓存策略优化。
+2. 代码优化。
+
+## v4.7.0
+1. 新增清除指定域名缓存能力。
+2. 解析监控日志上报调整。
+3. 功能优化。
+
+## v4.6.0
+1. http 解析请求支持长链接。
+2. 批量解析重构优化。
+3. 功能优化。
+
+## v4.5.0
+1. dnsip（HTTPDNS服务IP） SDK内部调度，无需用户配置。
+2. 支持ECS IP配置。
+3. 包体积优化。
+4. 灯塔（beacon）下线。
+
+## v4.4.0
+1. SDK 支持数据上报统计分析，配合控制台解析监控使用。原灯塔上报服务（beacon）将下线，建议尽快切换。
+2. 新增独立国际版 SDK。
+3. 功能优化。
+
+## 4.3.0
+1. 新增允许使用过期缓存配置，调整对应解析逻辑。
+2. 新增本地存储能力。
+3. 功能优化。
+
 ## 4.2.0
 1. 新增 IP 优选服务
 2. 功能优化
diff --git a/HttpDnsLibs/HTTPDNS_Android_v4.8.0a_release.aar b/HttpDnsLibs/HTTPDNS_Android_v4.8.1a_release.aar
similarity index 63%
rename from HttpDnsLibs/HTTPDNS_Android_v4.8.0a_release.aar
rename to HttpDnsLibs/HTTPDNS_Android_v4.8.1a_release.aar
index 6727b32..8064f9f 100644
Binary files a/HttpDnsLibs/HTTPDNS_Android_v4.8.0a_release.aar and b/HttpDnsLibs/HTTPDNS_Android_v4.8.1a_release.aar differ
diff --git a/HttpDnsLibs/HTTPDNS_Android_v4.8.0a_release_intl.aar b/HttpDnsLibs/HTTPDNS_Android_v4.8.1a_release_intl.aar
similarity index 63%
rename from HttpDnsLibs/HTTPDNS_Android_v4.8.0a_release_intl.aar
rename to HttpDnsLibs/HTTPDNS_Android_v4.8.1a_release_intl.aar
index 7c60d0f..575fb77 100644
Binary files a/HttpDnsLibs/HTTPDNS_Android_v4.8.0a_release_intl.aar and b/HttpDnsLibs/HTTPDNS_Android_v4.8.1a_release_intl.aar differ
diff --git a/HttpDnsSample/HTTPDNS_Android_v4.8.0a_release/build.gradle b/HttpDnsSample/HTTPDNS_Android_v4.8.0a_release/build.gradle
deleted file mode 100644
index 197b76d..0000000
--- a/HttpDnsSample/HTTPDNS_Android_v4.8.0a_release/build.gradle
+++ /dev/null
@@ -1,2 +0,0 @@
-configurations.maybeCreate("default")
-artifacts.add("default", file('HTTPDNS_Android_v4.8.0a_release.aar'))
\ No newline at end of file
diff --git a/HttpDnsSample/HTTPDNS_Android_v4.8.0a_release/HTTPDNS_Android_v4.8.0a_release.aar b/HttpDnsSample/HTTPDNS_Android_v4.8.1a_release/HTTPDNS_Android_v4.8.1a_release.aar
similarity index 63%
rename from HttpDnsSample/HTTPDNS_Android_v4.8.0a_release/HTTPDNS_Android_v4.8.0a_release.aar
rename to HttpDnsSample/HTTPDNS_Android_v4.8.1a_release/HTTPDNS_Android_v4.8.1a_release.aar
index 6727b32..8064f9f 100644
Binary files a/HttpDnsSample/HTTPDNS_Android_v4.8.0a_release/HTTPDNS_Android_v4.8.0a_release.aar and b/HttpDnsSample/HTTPDNS_Android_v4.8.1a_release/HTTPDNS_Android_v4.8.1a_release.aar differ
diff --git a/HttpDnsSample/HTTPDNS_Android_v4.8.1a_release/build.gradle b/HttpDnsSample/HTTPDNS_Android_v4.8.1a_release/build.gradle
new file mode 100644
index 0000000..b3fb3a6
--- /dev/null
+++ b/HttpDnsSample/HTTPDNS_Android_v4.8.1a_release/build.gradle
@@ -0,0 +1,2 @@
+configurations.maybeCreate("default")
+artifacts.add("default", file('HTTPDNS_Android_v4.8.1a_release.aar'))
\ No newline at end of file
diff --git a/HttpDnsSample/app/build.gradle b/HttpDnsSample/app/build.gradle
index bae5cce..c92d7d1 100644
--- a/HttpDnsSample/app/build.gradle
+++ b/HttpDnsSample/app/build.gradle
@@ -47,7 +47,7 @@ dependencies {
     implementation 'androidx.appcompat:appcompat:1.2.0'
     implementation 'com.google.android.material:material:1.3.0'
     implementation 'androidx.constraintlayout:constraintlayout:2.0.4'
-    implementation project(path: ':HTTPDNS_Android_v4.8.0a_release')
+    implementation project(path: ':HTTPDNS_Android_v4.8.1a_release')
     testImplementation 'junit:junit:4.+'
     androidTestImplementation 'androidx.test.ext:junit:1.1.2'
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.3.0'
diff --git a/HttpDnsSample/build.gradle b/HttpDnsSample/build.gradle
index ee9c91e..307e1bc 100644
--- a/HttpDnsSample/build.gradle
+++ b/HttpDnsSample/build.gradle
@@ -2,7 +2,7 @@
 buildscript {
     ext.kotlin_version = "1.3.72"
 
-    ext.subVersionName = '4.8.0'
+    ext.subVersionName = '4.8.1'
     def versionArr = subVersionName.toString().split(/\D/)
     ext.subVersionCode = Integer.valueOf(String.format('%d%02d%02d',
             versionArr[0].toInteger(), versionArr[1].toInteger(), versionArr[2].toInteger()))
diff --git a/HttpDnsSample/settings.gradle b/HttpDnsSample/settings.gradle
index 06d6973..f7c9f58 100644
--- a/HttpDnsSample/settings.gradle
+++ b/HttpDnsSample/settings.gradle
@@ -1,3 +1,3 @@
-include ':HTTPDNS_Android_v4.8.0a_release'
+include ':HTTPDNS_Android_v4.8.1a_release'
 include ':app'
 rootProject.name = "dnsTest"
\ No newline at end of file
diff --git a/README.md b/README.md
index b431c4d..9195306 100644
--- a/README.md
+++ b/README.md
@@ -13,13 +13,11 @@
 
 ### 文件拷贝
 
-将 HttpDnsLibs 目录下的 aar 包及 jar 拷贝至项目工程中 libs 相应位置
+将 HttpDnsLibs 目录下的 aar 包拷贝至项目工程中 libs 相应位置
 
-HttpDnsLibs 目录下包含两个包：
-
-- 文件名以 HTTPDNS 为前缀的 aar 包（HTTPDNS_Android_xxxx.aar）为 HTTPDNS SDK
-- 文件名以 beacon 为前缀的 jar 包（beacon-android-xxxx.jar）为灯塔 SDK
-  - HTTPDNS SDK 使用灯塔 SDK 进行数据上报
+HttpDnsLibs 目录下：
+- 默认 aar 包（HTTPDNS_Android_xxxx.aar）为 HTTPDNS 国内站 SDK
+- 文件名以 intl 为后缀的 aar 包（HTTPDNS_Android_xxxx_intl.aar）为 HTTPDNS 国际版 SDK
 
 ### aar 引入配置
 
@@ -75,13 +73,6 @@ App targetSdkVersion >= 28(Android 9.0)情况下，系统默认不允许 HTTP 
 </network-security-config>
 ```
 
-### 反混淆配置
-
-```
-# 灯塔
--keep class com.tencent.beacon.** {*;}
-```
-
 ## 初始化
 
 参考 Android SDK 文档 https://cloud.tencent.com/document/product/379/17655