diff --git a/README.md b/README.md
index 0e8a827..7794de5 100644
--- a/README.md
+++ b/README.md
@@ -227,7 +227,7 @@ pod instll # 安装依赖
 ## 相关连接 
 
 - [支付宝：生成秘钥指南](https://opendocs.alipay.com/open/291/105971)
-- [支付宝：SDK 下载地址，当前使用的是 AlipaySDK	15.7.9](https://opendocs.alipay.com/open/54/104509)
+- [支付宝：SDK 下载地址，当前使用的是 AlipaySDK	15.8.03](https://opendocs.alipay.com/open/54/104509)
 - [支付宝：客户端调试工具及使用教程](https://openclub.alipay.com/club/history/read/7695)
 - [支付宝：支付，接入前准备](https://opendocs.alipay.com/open/204/105297/)
 - [支付宝：完整版授权 SDK 调用方法](https://opendocs.alipay.com/open/218/105325)
diff --git a/android/build.gradle b/android/build.gradle
index cb3ec83..6481025 100644
--- a/android/build.gradle
+++ b/android/build.gradle
@@ -10,10 +10,10 @@
 //   original location:
 //   - https://github.com/facebook/react-native/blob/0.58-stable/local-cli/templates/HelloWorld/android/app/build.gradle
 
-def DEFAULT_COMPILE_SDK_VERSION = 28
-def DEFAULT_BUILD_TOOLS_VERSION = '28.0.3'
+def DEFAULT_COMPILE_SDK_VERSION = 29
+def DEFAULT_BUILD_TOOLS_VERSION = '29.0.3'
 def DEFAULT_MIN_SDK_VERSION = 16
-def DEFAULT_TARGET_SDK_VERSION = 28
+def DEFAULT_TARGET_SDK_VERSION = 29
 
 def safeExtGet(prop, fallback) {
     rootProject.ext.has(prop) ? rootProject.ext.get(prop) : fallback
@@ -33,7 +33,7 @@ buildscript {
             jcenter()
         }
         dependencies {
-            classpath 'com.android.tools.build:gradle:3.4.1'
+            classpath("com.android.tools.build:gradle:4.1.0")
         }
     }
 }
diff --git a/android/libs/alipaySdk-15.7.9-20200727142846.aar b/android/libs/alipaySdk-15.7.9-20200727142846.aar
deleted file mode 100644
index b329c3f..0000000
Binary files a/android/libs/alipaySdk-15.7.9-20200727142846.aar and /dev/null differ
diff --git a/android/libs/alipaysdk-15.8.03.210428205839.aar b/android/libs/alipaysdk-15.8.03.210428205839.aar
new file mode 100644
index 0000000..b2cf3f4
Binary files /dev/null and b/android/libs/alipaysdk-15.8.03.210428205839.aar differ
diff --git a/ios/AlipaySDK.framework/AlipaySDK b/ios/AlipaySDK.framework/AlipaySDK
index 0c76f2c..1a4b96c 100644
Binary files a/ios/AlipaySDK.framework/AlipaySDK and b/ios/AlipaySDK.framework/AlipaySDK differ
diff --git a/ios/AlipaySDK.framework/Headers/AlipaySDK.h b/ios/AlipaySDK.framework/Headers/AlipaySDK.h
index 42ed826..27dc781 100644
--- a/ios/AlipaySDK.framework/Headers/AlipaySDK.h
+++ b/ios/AlipaySDK.framework/Headers/AlipaySDK.h
@@ -9,7 +9,7 @@
 
 ////////////////////////////////////////////////////////
 ///////////////// 支付宝标准版本支付SDK ///////////////////
-///////// version:15.7.9  motify:2020.07.27///////////
+///////// version:15.8.03  motify:2021.04.29///////////
 ////////////////////////////////////////////////////////
 
 #import <UIKit/UIKit.h>